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The role is about: We are expanding our engineering capabilities and looking for a Senior Backend Developer to join our Core Gateway team. This is a unique, dual-track role where you will play a central part in both the present and future of our infrastructure. You will support, maintain, and extend our existing Perl-based payment gateway ensuring stability and high performance in a live financial production environment while simultaneously leading the architecting and building of our next-generation Python microservices platform. In this role, you will work in a fast-paced environment where system performance, scalability, and 99.9% reliability are critical to our core transaction flow. • Location: Remote from Poland (Contractor arrangement) or Cyprus Onsite (employment arrangement) • Reporting to: Technical Lead What you will do: • Dual-Track Maintenance: Support and extend the existing Perl-based payment gateway debugging production issues and adding features while the migration is ongoing. • Modernization: Design, develop, and maintain modern server-side components in Python, ensuring high performance and scalability. • Integrations: Integrate third-party APIs and external payment services into both legacy and modern platform layers. • Agile Collaboration: Maintain clean and strong English communication to effectively collaborate with multiple stakeholders across departments working in agile sprints. • Product Thinking: Go beyond the "what" and "how" of the code bring a product-focused mindset to understand the business logic and user impact of what you build. • Engineering Standards: Participate in code reviews, uphold high code quality standards, and contribute to a culture of continuous improvement. • Infrastructure: Work closely with DevOps on CI/CD pipelines, containerization, and cloud deployments. What we need: • Python Expertise: 5+ years of backend engineering experience with strong Python mastery (AsyncIO and FastAPI preferred). • Legacy Flexibility: Experience with Perl (or a genuine eagerness to learn and work within Perl production code). We value polyglot engineers who can read and refactor legacy code. • API Mastery: Solid experience integrating third-party APIs and a deep understanding of webhooks, callbacks, and retry policies. • Tech Stack: Experience with CI/CD pipelines (GitLab preferred), Docker containerization, and familiarity with AWS (Lambda, cloud services). • Architecture: Exposure to event-driven architectures (Kafka, message queues, etc.). • Clean & Intentional Code: We value deep engineering logic over AI-generated snippets. You should be a "clean code" advocate who can explain the reasoning behind every line you ship. • Curiosity for Product: You care about the "why" behind a feature. You are interested in how a product works for the end-user and the business. • English Proficiency: Strong English communication skills—both written and verbal—to collaborate across multi-functional teams. Hiring Process: • Step 1 – Thinking in Action (40 minutes) Your first conversation will be with our Talent Acquisition team. We'll explore your background, career journey, motivations, and overall fit for the role. As part of this discussion, you'll also complete a short technical screening that will be reviewed by our engineering team. This stage helps us understand both your experience and how you approach technical challenges. • Step 2 – Build in Production (60–90 minutes) Meet with the Team Lead and technical experts for a practical assessment. Depending on the role, this may involve a live coding exercise or a real-world scenario designed to evaluate your technical skills, problem-solving approach, and ability to work through challenges similar to those faced by our teams. • Step 3 – Final Interview (45 minutes) The final stage is a group interview with senior members of our Technology squad, which may include the CTO, CPO, and Team Lead. Together, we'll discuss team fit, collaboration style, expectations from both sides, and any remaining questions about the role, team, or technology domain. This is also an opportunity for you to learn more about our culture and ways of working. The perks of being a payabl.er: • Future-Proof Your Finances: Once you’ve passed probation, we’ll kickstart your Provident Fund to secure your future. • Grow with Us: Annual Learning Budget for professional development (eligible after probation)—because your growth is our growth. • Wolt Your Way Through Lunch: €150 monthly Wolt allowance to keep you fueled and happy. • Stay Active Your Way: Enjoy a SportsBenefits membership giving you access to a wide variety of gyms and sports facilities to support your active lifestyle. • Drive in Style: After one year with us, you may be eligible for a company car—performance and availability permitting. • Park with Ease: Complimentary parking space just steps from the office, so your commute is as smooth as your workday. • Max Out Your …

10x revenue, recover #1 Google rankings, and run creative campaigns. $3,500-$4,000/month | Full-time | EST overlap We're HealthMerch, and we run Say It With A Condom - an e-commerce brand selling customized foil-wrapper condoms to health organizations, college campuses, and corporate buyers. Our customers include HIV organizations, sexual assault awareness groups, college women's health centers, Pride organizers, and brands promoting their business, product, service, or event. We run on Shopify with HubSpot as our CRM, and everything is drop-shipped. The site has generated orders organically for years, but we've never had a dedicated marketer on it. After a site migration, we're ready to turn the marketing engine back on. This role exists to own the marketing for Say It With A Condom and aggressively grow revenue - ideally 10x revenue in year one, profitably, ideally including getting back to #1 on Google. You'll turn the marketing engine back on, drive us back to the top of the rankings, and unlock the larger health-related and corporate buyer opportunities. This is a creative, autonomous role for someone who builds campaigns from scratch, not someone who runs another team's playbook. In this role, you will: Own marketing for the Say It With A Condom Shopify store, end-to-end Run SEO (including programmatic SEO) to recover top Google rankings Plan and execute outbound email campaigns to health organizations, HIV groups, and college campuses (women's health centers, sex centers) Build a marketing calendar around key dates - Pride (June), National HIV Testing Day, Sexual Assault Awareness Month, National Condom Week, World AIDS Day - and create campaigns around them Brief the creative director (once hired) on new condom designs tied to events and current news, using AI tools to rapidly generate concepts List new products on Shopify and manage the store day-to-day (light touch — no custom theme work) Manage relationships with existing external contractors (PPC team, SEO, PR) Identify and add a small number of complementary products (harm reduction supplies, safer-sex kits) Look for PR and media angles and pitch ideas when news cycles create opportunities This is a full-time role and you'll need 4-5 hours of crossover with EST. Requirements To be successful in this role, you need: Hands-on e-commerce marketing experience with demonstrable results Strong SEO skills - goal is to get back to #1 on Google Email marketing experience Ability to run creative campaigns end-to-end, not just execute someone else's plan Heavy, fluent use of AI tools (ChatGPT, Gemini, Claude) to multiply output Comfort marketing condoms and sexual-health products; comfortable with the LGBT community and willing to push the needle on messaging Strong grasp of ICP - who we're selling to (health orgs, HIV orgs, college campuses, corporate/event buyers) and how to message them Brownie points for: Direct Shopify experience HubSpot experience (or equivalent CRM) Ability to manage or oversee a PPC relationship Klaviyo or similar email platform experience You're creative, hungry, and full of ideas - the kind of person who sees the product and immediately starts riffing on campaigns. You're warm, and high-energy in conversation. You're comfortable being a little cheeky and pushing the needle on sexual-health messaging. You're an autonomous self-starter who can own a marketing function and make it rain. The product and the niche genuinely excite you, not turn you off. You might lean a little younger or less experienced - that's fine if you bring a ton of ideas and energy. Benefits What’s in it for you? $3,500-$4,000 per month* (final offer depends on experience and fit) Full-time Fully remote 20 days of paid time off annually (7 U.S. company holidays + 13 earned PTO days) PTO Anniversary Bonus - 1 additional PTO day on each work anniversary, up to 5 additional days after five years *Please note that this is a gross salary and that you are responsible for any tax-related procedures in your country of residence. We kindly ask you to apply only if you are happy to work remotely as an independent contractor. This is our typical hiring process - occasionally, it may include extra steps. For this role, JobRack is partnering with the company to find their next hire. We’ll handle all the screening and testing, so they see only the best-fit candidates - like you! How to shine • Read the role details carefully. • Submit a thoughtful, high-quality application. • Stay responsive - we’ll keep you updated at every stage. Important notes • Apply only through JobRack; please don’t contact the company directly. • We expect a respectful hiring experience - any disrespect means instant disqualification. • This is a full-time, primary role (no freelancing or second jobs). New to remote work? Check out our handy FAQ: jobrack.eu/jobseeker-faq

Over Treatwell Treatwell is het grootste boekingsplatform en softwarebedrijf voor de hair & beauty-industrie in Europa. Meer dan 50.000 salons in 13 landen werken met onze software, van kappers tot barbers tot beautysalons, en we verwerken miljoenen boekingen per maand. We zijn een snelgroeiend techbedrijf met een informele, resultaatgerichte cultuur: we nemen ons werk serieus, elkaar niet te serieus, en we vieren het wanneer een salon écht groeit dankzij wat wij bouwen. Bouw jouw regio uit bij Europa's grootste beauty tech platform Als Business Developer bij Treatwell bouw je je eigen klantportfolio op in regio Arnhem/Nijmegen. Met de leaseauto van de zaak bezoek je salons, kappers en barbers. Je laat zien wat onze software voor hun zaak kan betekenen en sluit zelf de deal. Van eerste contact tot handtekening tot een soepele start: jij bent verantwoordelijk voor het hele proces, geen lead-overdracht, geen dagelijkse file naar de Randstad. Wat je gaat doen • Je eigen pipeline opbouwen in regio Arnhem/Nijmegen: van eerste bezoek tot getekend contract, via walk-ins, bellen, social en referrals • Salons, kappers en barbers laten zien hoe Treatwell (Connect en Salonized), betaalterminals en marketplace hun zaak laten groeien • Marktfeedback delen met het team om ons product te verbeteren • Je werkt vanuit huis, in het veld en je auto. Kantoorbezoek in Amsterdam alleen bij kick-offs, training of teammomenten Requirements Wie jij bent • Je hebt minimaal 1 jaar field sales, deur-tot-deur, B2B buitendienst of vergelijkbare salesrol • Je hebt een bewezen track record in het halen van targets (en je vertelt daar graag meer over) • Je houdt van zelfstandig werken en je eigen regio runnen als ware het je eigen business • Je woont in of rond Arnhem of Nijmegen en kent de regio • Je hebt een rijbewijs B • Vloeiend Nederlands Benefits Wat bieden wij? Aantrekkelijk beloningsmodel: € 39.000 - € 45.000 vast salaris plus ONBEPERKTE commissie met een gemiddeld bruto jaarsalaris van € 64.000. Perfecte start: Opstartbonus in de eerste drie maanden (€1.000/€750/€500) Werk-privébalans: Mogelijkheid tot thuiswerken en 28 vakantiedagen ‍ Zelfzorg: Maandelijks een Treatwell-waardebon van €40 voor je eigen schoonheidsbehandelingen Topapparatuur: Apple MacBook Air, iPhone, alles wat je nodig hebt om succesvol te zijn Professionele ontwikkeling: Individuele coaching en een transparant carrièrepad met een bruto salarisverhoging van € 5.000 per jaar voor elke promotie. Toekomstzekerheid: werkgeversbijdrage aan bedrijfspensioenregelingen Mental Health: ondersteuning via onze samenwerking met OpenUp Teamspirit: Regelmatige teamuitjes, borrels na het werk en een open, dynamische bedrijfscultuur. Sollicitatieproces • Kennismakingsgesprek met onze recruiter (30 min, video) • Sales interview met live discovery roleplay met de Head of Sales (45 min, video, Engels) • Business case presentatie op kantoor Amsterdam (max. 2 uur) We streven naar een doorlooptijd van 2-3 weken van eerste gesprek tot aanbod. Equal opportunity Treatwell is een Open to All werkgever. We verwelkomen sollicitaties van kandidaten met diverse achtergronden en bieden waar nodig ondersteuning tijdens het proces.

Would you like to build a career in a leading multinational IT company? We are looking for a Senior QA Engineer with a strong manual testing background and a technical mindset to join our team. This role is focused mainly on manual and system-level testing, including end-to-end validation, API/backend flows, and investigation of complex issues across the platform. At the same time, we are looking for someone interested in growing toward a more general QA role by contributing to automation efforts, working with existing frameworks, and collaborating on quality improvements across the product. Since 2007, MMDSmart has been a leading supplier in cloud communications, delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions. These empower our clients to communicate more effectively with their customers. Don’t miss this chance to excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated. Requirements What will you do at MMDSmart? • You will analyze business requirements and technical specifications for both web interfaces and backend, proactively challenging architectural assumptions to prevent issues before they reach production. -You will act as a System Investigator - performing deep-dive analysis of complex multi-channel message flows using platform logs, webhook payloads, and event traces to identify root causes of delivery and logic defects across SMS, Telegram, Viber, and other channels. -You will design and execute advanced end-to-end test strategies that cover the full message lifecycle - from operator action in the web UI, through API and channel gateway, to delivery confirmation - ensuring what the client experiences matches expected behavior. -You will contribute to performance testing efforts using Locust and other tooling, covering throughput of message delivery, API response times under load, and system resilience under concurrent channel activity. -You will drive quality improvements within an Agile environment, participating in architectural reviews and brainstorming sessions to advocate for testability, observability, and system stability. -You will support the existing Playwright-based automation efforts, collaborating with automation engineers to improve coverage for critical UI flows and helping ensure automated quality checks are reliable within the CI/CD pipeline. -You will maintain technical documentation and RCA reports, ensuring that complex, hard-to-reproduce bugs are well-documented and that the team learns from every critical defect. You are a perfect match if you have: -5+ years of software testing experience; -Strong understanding of web platform testing (UI + backend); -Ability to debug logic defects across distributed flows; -REST API testing (Postman, curl, or similar); -Experience validating webhook and callback flows; -Understanding of channel-specific delivery logic; -Understanding API automation (pytest, REST Assured, or similar); -Basic scripting in JS/TS or Python for test tooling; -Experience working in Linux environments and reading server logs; -Familiarity with Docker / Kubernetes for local/staging environments; -Experience with Grafana or similar monitoring/dashboarding tools. Nice to have: -Experience with Playwright or similar E2E framework; -Hands-on experience with Locust, k6, or JMeter; -Testing throughput under concurrent channel load; -Experience integrating tests into CI/CD pipelines; -Understanding of event-driven architecture patterns; -Familiarity with messaging provider APIs; -Understanding of SMS / chat platform delivery mechanics. Benefits Why do talents choose and stay at MMDSmart? Embrace the opportunity to work in a company that cares about: Your Wellness: Access to mental health programs, comprehensive medical insurance, and a sports card*. Your Happiness: Enjoy the company of cool teammates, a friendly atmosphere, a strong mentorship, and a variety of bonuses & corporate gifts. Your Development: Benefit from free educational events & courses, and English classes with native speakers. Your Career: Focus on your professional development in a supportive environment. Work-Life Balance: Choose your working format - remote, office-based, or hybrid and engage in team-building activities. Think this role's got your name on it? Go ahead and apply, we'd love to see what you've got! Equal-Opportunity Employment We are an equal opportunity employer committed to creating a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. *Medical Insurance and Sport Card perks are …

Description The Opportunity We are hiring a highly execution-focused Senior Technical Developer (Contract) to own the technical and systems layer of an enterprise project controls platform. Our software replaces the messy spreadsheet-and-email toolchain that dominates megaproject oversight with a single production-live system serving major capital construction programs. Because our data directly informs client decisions worth millions of dollars, absolute data accuracy and system reliability are core table stakes. This role is ideal for an implementation partner with expert-level TypeScript and React fundamentals who wants to step directly into a production codebase and build out real-world ML/AI infrastructure (including fine-tuned LLMs and voice interactive pipelines)—not just wrap basic APIs. You will work directly with the founder in an environment completely free of ticket theater and management layers. • Work Model: Remote | Contract • Time Commitment: 25–40 hours / week • Timezone Requirement: EST/CST • Compensation: Open What You’ll Own • Act as the primary implementation partner working directly in a production codebase. • Own the building, engineering, and feature deployment of full-stack system features. • Design, implement, and submit clean Pull Requests (PRs) for review. • Build and maintain robust machine learning pipelines, covering training data preparation, fine-tuning scripts, and system evaluations. • Write complex raw PostgreSQL database schemas, queries (CTEs, window functions), and data migrations. • Develop, scale, and optimize high-throughput model inference steps and custom voice pipelines (STT/TTS). • Decompose feature briefs, propose structural technical architectures, and autonomously resolve backend production bugs. Requirements Experience • 3+ years of production experience with strict TypeScript/JavaScript (generics, type inference, discriminated unions). • Production React experience with clear ownership over shipping and maintaining real, live web applications. • Next.js App Router literacy , demonstrating deep familiarity with server vs. client components, middleware, and route handlers. • SQL Fluency with raw PostgreSQL ; you must have zero dependency on an ORM. • Python proficiency explicitly tied to data preparation, training, and evaluation for machine learning pipelines. • Strict Git workflow discipline , maintaining clean commits and structural code review habits. • Familiarity or deep learning trajectory inside ML infrastructure frameworks (personal projects, fine-tuning experiments, or coursework). Skills • Strong independent research skills to learn unfamiliar technical stacks and specialized domains without hand-holding. • Excellent written English communication skills for documentation, thorough code reviews, and technical notes. • High technical agency to fill the gaps given an ambiguous brief, proposing sensible fallback paths independently. • Meticulous attention to detail: you test your own edge cases and ensure work is right the first time. Nice-To-Have • Hands-on PyTorch and Hugging Face model fine-tuning (PEFT/LoRA, Transformers library). • Voice/speech ML engineering background (STT, TTS, or end-to-end voice pipeline tuning). • GPU infrastructure management capabilities (self-hosted GPU servers, CUDA, resource monitoring). • Front-end data visualization expertise (Tailwind CSS, Radix unstyled primitives, complex dashboard trend charting). • Automated document report generation systems (PDF, Excel, Word exports). • DevOps exposure: Docker containerization, multi-stage builds, and automated CI/CD pipelines. • Prior domain exposure to capital construction, industrial software, or engineering project controls. Success Metrics Ramp-Up Milestones • Day 30: Local environment completely running, 5–8 production PRs successfully merged, full data tracing verified from the database to the UI, and basic domain familiarity achieved. • Day 60: Autonomously implementing core features, writing raw SQL migrations confidently, handling active production bugs, and launching initial LLM fine-tuning experiments. • Day 90: Decomposing broad feature briefs into standalone technical tasks, proposing architecture modifications, showing full-stack comfort, and actively contributing to voice AI and ML infrastructure pipelines. Benefits Why This Role Stands Out • Fully remote flexibility across global talent pools. • Direct impact on enterprise assets: Your code directly influences active capital construction programs worth millions of dollars. • Production ML experience: Opportunity to fine-tune LLMs, build real voice pipelines, and manage GPU inference server clusters on actual running systems, not simple demo tools. • Specialized domain depth: Gain high-value expertise in a specialized, multi-billion dollar industrial sector that most developers never get to touch. • Modern, zero-bloat stack: Build with fresh, current tools …

You'll be part of a small, cross-functional data team that drives impact across Fabulous. We work closely with Product Growth, User Acquisition, and Finance. We take a full stack approach : every team member contributes across the full data spectrum. We don't specialize into Analytics Engineering or Data Science or Data Analysis. While we each have our own strengths, we contribute to projects across the entire spectrum of data work. This encourages strong ownership and drives impact. Practically, we work across three areas: • Analytics Engineering : Data modeling and transformations to build, maintain, and scale our analytics pipelines in dbt . Once an MVP is validated, we implement and improve it iteratively - with solid testing, data observability, and architecture that keeps tech debt manageable. • Applied Analytics : Data exploration, dashboard building in Omni, and ML model building. We aim for simplicity and interpretability but don't shy away from complexity when we face it. We work with highly data literate stakeholders - when building new models or dashboards we empower our users to continue to analyze the data themselves. • Data Science: ML model building to make predictions to inform the business quickly. Our stack: Fivetran · BigQuery · dbt · Amplitude · Omni This role is critical to the team's continued success: • Diverse, high-impact projects. You'll work on business-critical problems in close collaboration with business teams — improving metric accuracy, exploring new growth perspectives, building well-tested reporting pipelines, investigating data discrepancies, or applying statistics and ML where they add real value. • Building and maintaining our codebase. You'll contribute to solid analytics pipelines using SQL and dbt. Managing tech debt, improving engineering practices, and shaping the project's architecture are core to this role. • Growing into ownership. Over time, you'll own parts of the codebase, become the go-to person for at least one business team, and have a strong voice in how the analytics project evolves. • Leveling up the team. Share knowledge, and contribute to practices that help everyone grow. Speak up - we want you to shape the team's direction, cohesion, and mission. • Working autonomously. You'll manage your own projects and stakeholders. Clear, concise documentation is expected so future collaborators can build on your work. We embrace the age of AI. We use tools like Claude Code daily to write, review and ship code faster, while focusing our time on problem solving multiple projects in parallel. We are building out multiple entry points for our business stakeholders to interact with our data in natural language and believe this is the future of data work. You'll report to the Data Lead and be part of the Engineering team. Requirements Required: • University degree in Engineering, Computer Science, or Applied Mathematics • 4+ years of experience across data science, analytics, or analytics engineering - ideally with exposure to more than one of these • Excellent SQL skills, with experience building data models using dbt (or similar tools) • Strong engineering fundamentals: testing, clean code, peer review, CI/CD, git workflows • Passionate about the future of AI, researches the cutting edge, not afraid to experiment with new tools • Experience with cloud data warehouses and modern data stack tools • Self-starter who takes ownership, manages stakeholders, and communicates proactively • Excellent written and verbal English • Comfortable working remotely (we're remote-first) Great to have: • Hands-on experience with Digital Marketing / User Acquisition (attribution, iOS privacy & SKAN, UA metrics) or Product / Growth (A/B testing, retention, monetization) • Familiarity with our stack (Amplitude, dbt, BigQuery, Omni) • Good analytical and statistical intuition • Prior experience in an agile startup environment If you're excited about this role but don't check every box, we'd still love to hear from you. We value curiosity and growth mindset over a perfect resume. Benefits About Us An award-winning health, wellness, & coaching company that creates apps which fall the top ten internationally. Our science-based approach sits squarely in the tech-for-good lane, helping people live their best lives. Everyone who has joined this company is committed to using evidence-based research to find the absolute best ways to change lives for the better. Our History Three co-founders created the Fabulous app: Sami, Amine, and Taylor. Growing up in Tunisia, Sami and Amine were only 16 when they met. With their early iteration, they reached out to Taylor, an award-winning designer in Malaysia. Their vision was welcomed into an incubation lab for startups at Duke University led by world-renowned Behavioral Economics Professor Dan Ariely. Our Chief Storyteller Jaz co-founded the Introductory Psychology program at Stanford University. Our Approach We …

We are looking for a Senior Full Stack Engineer who is comfortable working on high-load, distributed systems and making architectural decisions, not just implementing tasks. At MMDSmart, you will work on a CPaaS/CCaaS platform handling messaging and voice communication at scale. This is not a typical CRUD product: you’ll deal with real-time flows, external integrations, billing complexity, and systems where design mistakes surface quickly in production. You will be expected to take ownership from design to delivery and challenge assumptions when needed. Since 2007, MMDSmart has been a leading supplier in cloud-based business communications , delivering game-changing IT products to businesses in over 100 countries. Our success is fueled by the inspiration and innovative ideas of our team members, encouraging their growth and impacting our Messaging and Voice solutions . These empower our clients to communicate more effectively with their customers. Don’t miss this chance to excel in a rapidly expanding tech company, where your potential and ambitions are not just recognized, but celebrated. Requirements What will you do at MMDSmart? • Design and implement new platform capabilities across backend and frontend (not just “features” but system-level improvements); • Contribute to architecture decisions in a microservices environment (Go-based services, event-driven patterns, APIs); • Build and evolve React-based interfaces used by enterprise customers and internal teams; • Work on integrations with external vendors (messaging providers, voice, billing systems); • Investigate production issues in a high-scale environment and drive them to resolution—not just patch them; • Participate in technical discussions, trade-off analysis, and system design reviews; • Occasionally lead initiatives or own a domain end-to-end. You are a perfect match if you have: • 4+ years of real production experience as a Full Stack Engineer; • Strong backend expertise with Go (3+ years), not just syntax, but concurrency, performance, and system design; • Solid frontend experience with React + TypeScript (2+ years); • Experience building or maintaining distributed systems / microservices; • Good understanding of data modeling (SQL + NoSQL) and when to use each; • Ability to debug complex issues across services (not limited to your own code); • Comfortable working in an environment where requirements evolve and not everything is predefined. Will be a plus: • Experience with real-time systems, messaging, or telecom domains; • Familiarity with event streaming (Kafka or similar); • Experience with cloud platforms (GCP preferred); • Exposure to billing systems or high-throughput APIs. What you get: • Work on systems that actually operate at scale and have real business impact; • A team where senior engineers are expected to influence architecture, not just execute; • Remote work. Benefits Why do talents choose and stay at MMDSmart? Embrace the opportunity to work in a company that cares about: Your Wellness: Access to mental health programs, comprehensive medical insurance, and a sports card*. Your Happiness: Enjoy the company of cool teammates, a friendly atmosphere, a strong mentorship, and a variety of bonuses & corporate gifts. Your Development: Benefit from free educational events & courses, and English classes with native speakers. Your Career: Focus on your professional development in a supportive environment. Work-Life Balance: Choose your working format - remote, office-based, or hybrid and engage in team-building activities. Think this role's got your name on it? Go ahead and apply, we'd love to see what you've got! Equal-Opportunity Employment We are an equal opportunity employer committed to creating a diverse and inclusive work environment. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. *Medical Insurance and Sport Card perks are available for employees located in Bulgaria.

The role is about: We are expanding our engineering capabilities and looking for a Senior Backend Engineer to join our growing team. In this role, you will play a key part in designing and building scalable, high-performance backend systems, contributing to the development of robust services that support a range of internal and customer-facing products. You will work in a fast-paced environment where system performance, scalability, and reliability are critical. Location: Remote from Poland (Contractor arrangement) or Cyprus Onsite (employment arrangement) Reporting to: Group CTO What you will do: • Design and implement scalable Python microservices in a distributed architecture. • Build and optimize high-performance backend systems, ensuring scalability and reliability under high load. • Integrate and manage third-party APIs and external services. • Collaborate with cross-functional teams to define technical solutions and system design approaches. • Work with AWS services (e.g. Lambda, cloud infrastructure) to architect and deploy solutions. • Improve and maintain CI/CD pipelines and deployment processes in collaboration with DevOps. • Lead and contribute to code reviews, ensuring high engineering standards. • Identify system bottlenecks and drive performance and scalability improvements. • Troubleshoot complex production issues in distributed systems. • Contribute to technical discussions and guide best practices within the team. What we need: • 5+ years of backend engineering experience with strong Python expertise. • Proven experience building and scaling microservices architectures. • Strong knowledge of FastAPI or Django. • Experience working with AWS (including services such as Lambda). • Strong experience with Docker and containerization. • Experience with CI/CD pipelines (GitLab preferred). • Strong understanding of distributed systems and high-load environments. • Experience designing and optimizing systems for performance and scalability. • Solid experience integrating third-party APIs. • Strong problem-solving and analytical skills. • Excellent communication skills and ability to work in a remote-first environment. • Experience in fintech, payments, or financial platforms. • Experience with high-throughput systems (e.g. trading, payments, real-time processing). • Familiarity with event-driven architecture (Kafka, messaging systems). • Experience mentoring or supporting other engineers. Hiring Process: • Step 1 – Thinking in Action (40 minutes) Your first conversation will be with our Talent Acquisition team. We'll explore your background, career journey, motivations, and overall fit for the role. As part of this discussion, you'll also complete a short technical screening that will be reviewed by our engineering team. This stage helps us understand both your experience and how you approach technical challenges. • Step 2 – Build in Production (60–90 minutes) Meet with the Team Lead and technical experts for a practical assessment. Depending on the role, this may involve a live coding exercise or a real-world scenario designed to evaluate your technical skills, problem-solving approach, and ability to work through challenges similar to those faced by our teams. • Step 3 – Final Interview (45 minutes) The final stage is a group interview with senior members of our Technology squad, which may include the CTO, CPO, and Team Lead. Together, we'll discuss team fit, collaboration style, expectations from both sides, and any remaining questions about the role, team, or technology domain. This is also an opportunity for you to learn more about our culture and ways of working. The perks of being a payabl.er: • Future-Proof Your Finances: Once you’ve passed probation, we’ll kickstart your Provident Fund to secure your future. • Grow with Us: Annual Learning Budget for professional development (eligible after probation)—because your growth is our growth. • Wolt Your Way Through Lunch: €150 monthly Wolt allowance to keep you fueled and happy. • Stay Active Your Way: Enjoy a SportsBenefits membership giving you access to a wide variety of gyms and sports facilities to support your active lifestyle. • Drive in Style: After one year with us, you may be eligible for a company car—performance and availability permitting. • Park with Ease: Complimentary parking space just steps from the office, so your commute is as smooth as your workday. • Max Out Your Downtime: 25 days of vacation + public holidays + 10 days of sick leave. • Shop & Save: Exclusive local discount card + tickets for exciting events like Beonix, basketball games, and more. • Speak Like a Local: Join free Greek language classes, twice a week, open to all team members. • Celebrate Together: We bring colleagues from all offices together for unforgettable company celebrations. • Global Collaboration & Events: Opportunities to participate in international company events and initiatives, connecting with …

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . As an Analyst, Business Controller on the Business Controllers team within Coinbase's Accounting organization, you'll serve as Finance's "One-DRI" for product launches that have financial impact. This team acts as the central coordinator bringing together accounting, tax, treasury, credit risk, and operations to ensure new products launch without compromising financial integrity, audit readiness, or regulatory compliance. You'll evaluate new trade strategies and product launches across Coinbase's crypto product suite, determine impacts for Finance, and drive cross-functional implementation from scoping through go-live. What you'll do: • Partner with finance stakeholders, business leads, and cross-functional teams to evaluate new trade strategies, determine finance requirements, and coordinate implementation across accounting, tax, treasury, and operations • Serve as a trusted advisor to the business by navigating the Finance organization on their behalf, reducing friction in product launches, and ensuring the right stakeholders are informed and consulted at each stage • Produce high-quality documentation of fund flows, key financial risks, and accounting treatment decisions, and deliver regular status updates to executive management • Scope, design, and implement financial controls in partnership with business and process owners to address key risks and ensure operating effectiveness for audit and regulatory readiness • Collaborate with external vendors and IT partners to automate manual processes and build scalable workflows that support Coinbase's growing product portfolio Required Skills and Experience: • 5+ years of experience in finance, accounting, or controllership, with direct exposure to crypto exchanges, fintech, or financial services product operations • CPA certification (or in progress) with a foundation in technical accounting, preferably including Big 4 public accounting experience • Proven ability to coordinate cross-functionally across accounting, tax, legal, treasury, and operations teams to drive product launches from scoping through go-live • Demonstrated experience scoping and implementing financial controls to address key risks in new or evolving business processes, including documenting fund flows and accounting treatment decisions • Utilizes generative AI responsibly, maintaining human oversight to deliver business-ready outputs and drive measurable improvements in workflow efficiency, cost, and quality. LI-Remote Job ID: P76255 Pay Transparency Notice: The target annual base salary for this position can range as detailed below. Total compensation may also include equity and bonus eligibility and benefits (including medical, dental, and vision). Annual base salary range (excluding equity and bonus): £78,840 — £87,600 GBP • Application Limit: Candidates may submit a maximum of 3 applications within a 6-month period. • Equal Opportunity Employer: Coinbase is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or genetic information. Applicants with criminal histories will be considered consistent with applicable federal, state, and local laws. • US Applicants: View Employee Rights , Know Your Rights , and E-Verify Notice of Participation. • Accommodations: If you are an individual with a disability who needs a reasonable accommodation, email us your request and contact info at accommodations[at]coinbase.com. Need screen reading technology? Click here to download a free compatible screen reader and view the tutorial . • Data Privacy & Arbitration: By submitting your application, you agree to our Candidate Privacy Notice . US applicants: By submitting your application, you agree to Arbitration of Disputes .

What do we do? Paddle offers digital product companies a completely different approach to their payment infrastructure. Instead of assembling and maintaining a complex stack of payments-related apps and services, we’re a Merchant of Record for our customers. That means we take away 100% of the pain of payment fragmentation. It’s faster, safer, cheaper, and, above all, way better. We’re backed by investors including KKR, FTV Capital, Kindred, Notion, and 83North and serve over 6000 software sellers in 245 territories globally. The Role: As a Site Reliability Engineer, you’ll be helping to drive our product and engineering department forward, ensuring reliability on different parts of the Paddle platform and helping our Engineers to work better and more efficiently. Paddle SRE team’s role is “Everything SRE”, with a focus on infrastructure, reliability standards, and practices. The SRE team is part of the Platform function. By following this model: • It’s easy to spot patterns and draw similarities between services and projects. • We act as a glue between disparate product teams, creating solutions out of distinct pieces of software. • Enable product engineers to use DevOps practices to maintain user-facing products without divergence in practice across the business. • Define production standards as code and work to smooth out any sharp edges to greatly simplify things for the product engineers running their services. You are empowered to use the right tech for the job. You’ll have the freedom to input into what technology and tooling are used and educate the rest of your colleagues accordingly. As an SRE, we want you to be a driving force of improving and automating how our product teams develop software at all stages of its lifecycle, which we strive to achieve with strong collaboration and communication with our fellow engineers. Tech Stack: • Go for our new services • PHP Laravel for our Classic system • Aurora MySQL and PostgreSQL for persistent data storage • Docker in production and local development • AWS ECS Fargate for our runtime • AWS SQS for asynchronous message queues • AWS EventBridge for our event bus • Redis for key/value store • Terraform for resource management • Honeycomb, SLOs and OpenTelemetry for our observability needs • Cloudflare for our firewall and DNS server What you'll do: • Develop and maintain tools to maximise engineering efficiency; such as but not limited to automating deployment infrastructure and database upgrades • Seek out processes that can be improved with automation and have internal Developer Experience as a main driver. Collaborate and enable engineers to do their jobs more efficiently, working with other engineers on a regular basis • Create, maintain and test our system disaster recovery process, including tooling to automate the process • You’ll be able to choose from a selection of AI tools to support day-to-day work (e.g. code generation, investigation, automation, and documentation), and we’ll back sensible experimentation with the right guardrails. • Handle production incidents, author blameless postmortems and enrich operational playbooks and runbooks • Monitoring, alerting, and SLO tracking; hands-on SRE work, not just DevOps-style monitoring • Run performance investigations (load testing, bottleneck analysis) and drive tuning across apps, data stores and AWS. • Own cost optimisation workstreams: right-sizing, autoscaling policies, workload scheduling, storage tiering, and identifying waste across ECS/Fargate, RDS/Aurora, SQS and observability. • Be an advocate of the GitOps methodology We'd love to hear from you if you: • A software development background, with experience shipping and operating production services, plus strong fundamentals in testing, code review, CI/CD, and debugging. • Have experience working across the AWS ecosystem, partnering closely with AWS Solution Architects and subject-matter experts to design, review, and operate production systems • A curiosity about AI and how it’s reshaping software development. • Collaborative, security-minded, and detail-oriented. We move quickly, so you’ll thrive if you enjoy a fast-paced environment and take pride in doing things the right way. • Knowledge of platform and ops concepts such as networking and Linux administration • Experience working with microservices and distributed systems at scale • Experience with monitoring tools: we use Opentelemetry, Honeycomb, Grafana, Pingdom and Incident.io Everyone is welcome at Paddle At Paddle, we’re committed to removing invisible barriers, both for our customers and within our own teams. We recognise and celebrate that every Paddler is unique and we welcome every individual perspective. As an inclusive employer we don’t care if, or where, you studied, what you look like or where you’re from. We’re more interested in your craft, curiosity, passion for …

Einleitung Unternehmensvorstellung Ein etabliertes IT-Beratungsunternehmen mit über 25 Jahren Markterfahrung baut aktuell gezielt seine Softwareentwicklungsteams aus. Was lange stark im DevOps-Umfeld verankert war, entwickelt sich jetzt konsequent weiter in Richtung moderne Java-Softwareentwicklung und Cloud-Transformation . Mit rund 40 Mitarbeitenden , starken Partnerschaften zu großen IT-Playern und einer klaren Remote-First-Strategie bietet das Unternehmen ein Umfeld für Entwickler:innen, die stabil arbeiten und gleichzeitig etwas bewegen wollen . Deine Aufgaben • Mitarbeit an der Migration bestehender Systeme in eine Kubernetes-basierte Private Cloud • Re-Engineering bestehender Systeme in Richtung moderner Architekturen • Enge Abstimmung mit dem Software-Architekten zur sauberen Umsetzung fachlicher und technischer Vorgaben • Entwicklung performanter Backend-Lösungen im Java-Ökosystem • Integration von Messaging-Systemen und Datenbanken • Kein reines „Feature-Basteln“, sondern strukturierter Umbau im laufenden Betrieb mit klarem Zielbild Dein Profil • Mehrjährige Erfahrung in Java (idealerweise 5+) • Java Version 17-25 • Jakarta EE (JPA/Hibernate, JMS, REST/Webservices) • Erfahrung mit relationalen Datenbanken (Oracle ideal) • Messaging-Technologien (z. B. RabbitMQ) • Sicher im Umgang mit IntelliJ, Git, Jira & Confluence • Kubernetes, Helm, Quarkus & GraalVM, PostgreSQL, NoSQL • React & TypeScript, Jenkins + Groovy, Security-Know-how (Zertifikate, Verschlüsselung etc.) • Agile Arbeitsweise • Deutschkenntnisse auf C1-Niveau • Wohnort Deutschland Benefits • Remote First (Wohnsitz Deutschland zwingend) • 65.000 - 80.000€ Einstiegsgehalt (mit Entwicklungsoption) • Choose your own device (Notebook & Smartphone) • Unbefristete Festanstellung • Moderne Technologien & wachsendes Umfeld mit viel Stabilität • Strukturiertes Onboarding • Individuelle Weiterbildungen & Zertifikate

Deine Aufgabe Du übernimmst die Ownership der JTL-Gruppen-Website als zentralen Growth- und Conversion-Kanal – nicht als reines Marketing-Asset, sondern als einen der wichtigsten Hebel für unser zukünftiges Wachstum. Du verantwortest Struktur, technische Grundlage, User Journeys und Weiterentwicklung und steuerst SEO sowie GAIO auf Gruppenebene. Ein zentraler Bestandteil ist die Migration aller Produkte und Tochterunternehmen auf die JTL-Domain – ein sehr sichtbares, strategisches Projekt mit direktem Business-Impact. Deine Aufgaben • Ownership der JTL-Gruppen-Website als zentraler Growth- und Conversion-Kanal (Struktur, technische Grundlage, User Journeys, Cross-Sell, Weiterentwicklung). • Führung und Koordination der Migration aller Produkte und Tochterunternehmen auf die JTL-Domain (Struktur, SEO-Migration, Weiterleitungen, konsistente User Journeys). • Verantwortung für Tracking-Setup und Conversion-Optimierung der Website (Funnel-Analyse, Hypothesen, A/B-Tests – in enger Abstimmung mit RevOps). • Definition und Steuerung der SEO-Strategie auf Gruppenebene (Keyword-Logik, interne Verlinkung, Content-Struktur, Priorisierung nach Business-Impact). • Aufbau und Weiterentwicklung der GAIO-Strategie (Sichtbarkeit in AI-Systemen wie ChatGPT, Perplexity, Google etc.). • Definition von Standards, Templates und Guidelines für Website & SEO für alle Business Units. • Enablement und Steuerung der Teams (insbesondere Content & Product Marketing) durch klare Vorgaben, Priorisierung und strukturierte Zusammenarbeit. • Steuerung externer SEO-Agenturen & Spezialist*innen – sowohl in der Umsetzung als auch als fachliche Sparringspartner. Was Du dafür mitbringst • Tiefes technisches Website- und SEO-Verständnis sowie Erfahrung in der strukturierten Weiterentwicklung von Websites. • Ausgeprägtes Verständnis für Produkte, Zielgruppen und Funnels im B2B-/SaaS-Umfeld. • Fundierte Erfahrung in Tracking, Conversion-Optimierung und datengetriebener Optimierung (A/B-Tests, Funnel-Analyse). • Erfahrung mit SEO-Migrationen bzw. Domain-Konsolidierung von Vorteil. • Erfahrung oder hohe Lernbereitschaft im Bereich GAIO / AI-Sichtbarkeit. • Steuerungskompetenz gegenüber internen Teams und externen Agenturen; Fähigkeit, klare Vorgaben und Priorisierungen zu setzen. Was wir Dir bieten • Mobiles Arbeiten: Bei uns arbeiten fast alle Kolleg:innen remote. Falls Du lieber im Büro arbeitest oder einfach mal Abwechslung suchst, kannst Du jederzeit eines unserer Offices nutzen. Für Workshops, Schulungen oder Messen freuen wir uns, Dich auch mal vor Ort zu sehen! • Flexible Arbeitszeiten: Dank unserer Vertrauensarbeitszeit gestaltest Du Deinen Arbeitstag so, wie es für Dich am besten passt. Ob Frühaufsteher oder Langschläfer – wichtig ist, dass Du Deine Aufgaben zuverlässig erledigst und Dich mit Deinem Team gut abstimmst. • Workation: Arbeiten, wo andere Urlaub machen? Kein Problem! Bis zu 180 Tage im Jahr kannst Du aus dem Ausland arbeiten – mit wenigen länderspezifischen Ausnahmen. • Essenszuschuss: Über Hrmony erhältst Du jeden Monat bis zu 115,05 € netto als Essenszuschuss – perfekt für eine gesunde und leckere Mittagspause im mobilen Arbeiten. • Ergonomischer Arbeitsplatz: Wir unterstützen Dich mit einer Pauschale, damit Du Dir Deinen ergonomischen Arbeitsplatz im Homeoffice nach Deinen Wünschen gestalten kannst. • Events: Wir lieben den „JTL-Spirit“! Trotz mobilem Arbeiten feiern wir unser Sommerfest, unsere Weihnachtsfeier gemeinsam mit der gesamten JTL-Group und organisieren regelmäßige Teamevents – für echtes Wir-Gefühl. • Fitness & Sportangebote: Ob mit dem subventionierten JobRad oder vergünstigten Sportangeboten über EGYM Wellpass – bei uns bleibst Du fit! • Finanzielle Unterstützung: Wir unterstützen Dich mit betrieblicher Altersvorsorge und vermögenswirksamen Leistungen – auf Wunsch und individuell angepasst. Wenn du Bock auf den nächsten Schritt in deiner Karriere hast, freuen wir uns auf Deine Bewerbung! Bewirb dich entweder hier direkt oder über unsere Homepage https://www.jtl-software.de/jobs .