Senior Software Engineer (m/f/d)

JOIN OUR TEAM

As a  Senior Software Engineer , you will play a key role in shaping and evolving our order management and commerce platform with Fluent Commerce at its core. You will design and build workflows, integrations, and platform extensions that reliably power the journey of millions of customer orders. Working across Fluent Commerce, Java-based services, APIs, and our wider e-commerce ecosystem, you will take ownership of complex features end-to-end, from specification and architecture through to delivery, monitoring, and continuous improvement. Collaborating with Product and Engineering teams, you will combine strong technical judgment with a deep understanding of order management and distributed systems to build solutions that are scalable, resilient, and easy to evolve. Your curiosity for emerging technologies and AI-assisted development will help the team work smarter, ship faster, and continuously improve how we build and operate our commerce platform. This position is permanent and based in  Munich .

WHAT YOU'LL DO

• Design, build, and maintain solutions on the Fluent Commerce platform, taking end-to-end ownership from architecture to production release and maintenance
• Design and evolve Fluent Commerce workflows, rules, events, and orchestration logic supporting order management, fulfilment, and inventory processes
• Develop custom Fluent Commerce rules using the Rules SDK and Java, keeping business logic modular, testable, and maintainable
• Build and extend integrations between Fluent Commerce and our wider e-commerce landscape using GraphQL, REST APIs, webhooks, events, and other integration patterns
• Own the reliability and performance of order-management flows, handling failure scenarios, retries, idempotency, and observability
• Work closely with Product and Engineering teams to translate business requirements into technical designs, build AI-powered capabilities, and champion engineering quality through automated testing, code reviews, and documentation

YOU COME WITH

• Strong hands-on experience developing and extending Fluent Commerce, with solid knowledge of its Order Management platform, Workflow Framework, events, rules, and orchestration concepts
• Practical experience with the Fluent Commerce Rules SDK and Java development (Maven), with experience in Spring Boot and the Fluent Connect SDK being a strong plus
• Strong background in software architecture and integration design, connecting enterprise and e-commerce systems using GraphQL, REST APIs, webhooks, and asynchronous or event-driven integration patterns
• Good understanding of core order management concepts including sourcing, fulfilment, inventory, cancellations, returns, and order life cycles
• Proven fluency with Agentic AI, directing coding agents on well-scoped work to accelerate delivery without compromising quality, security, or maintainability
• Fluency in English with excellent written and verbal communication skills; German is a plus

WHY WESTWING

Aside from our awesome team and shared purpose, we offer a variety of additional benefits. Come work with us and get:

• An inspiring, international, informal, and nonpolitical environment for you to take ownership and grow your career
• A unique culture based on trust, support, and collaboration where we foster open communication with our monthly Company All-Hands, feedback channels, and regular Q&A sessions
• Hybrid working mode with 3 office days per week
• Up to 4 weeks temporary work-from-anywhere per year
• 30 days of paid holiday per year
• A beautiful, centrally located and dog-friendly office with free beverages, cafeteria with different lunch options, open spaces and sunny terrace
• Exclusive discounts - 40% off Westwing Collection, 20% off third-party brands (each on non-reduced items), and 20% Family & Friends discount on Westwing Collection, plus special-occasion vouchers
• Regular and legendary company and team events like Movie Nights, Oktoberfest, Summer Parties, and more
• Health and wellbeing offerings including sports membership, mental health support and coaching, vaccinations, skin checkups and more
• Discounted green mobility options with public transport or JobRad
• Company daycare “Westwing Wichtel” next to our Munich office and cooperation with Elly & Stoffl, a multilingual daycare with several locations in Munich
• Subsidised company pension scheme
• “Social Impact Day” p.a. to use for doing good for environment and/or society

ABOUT US

Westwing, Europe’s #1 in Beautiful Living e-commerce, is present in 20+ European countries and achieved a GMV (Gross Merchandise Volume) of EUR 507 million in 2025. As Europe’s premium one-stop destination for Design Lovers, it offers a unique brand experience with a carefully curated assortment of the Westwing Collection and 3rd party design brands. The integrated platform combines Shop, Daily Specials, Stores, the B2B Service (Westwing Business) and the Westwing Design …