Remote job
Remote confirmedTechnical Lead - Fullstack JS/TS
Lemlist
Job briefing
Read from the posting and checked against our job index
- Apply from
- Not stated
- Work model
- Fully remote
- Full posting text checked
- Salary
- Not stated
- Level and language
- Senior · French, English
Your tasks
- Build and ship new frontend and backend features
- Refactor the codebase, fix bugs, and optimize performance
- Collaborate with the team to solve technical issues
- Mentor fellow developers and share knowledge
- Make technical choices and drive delivery in your squad
- TypeScript
- JavaScript
- Node.js
- React
- MongoDB
What they expect
Required skills
- 8+ years in TypeScript and JavaScript, across frontend and backend
- Solid skills in Node.js, React, and MongoDB
- Proven track record building and maintaining web apps
- Fluent in French and English
- Based in the French timezone, within +/- 2 hours
Mindset
- Eager to learn more, particularly around JavaScript and TypeScript
- Autonomous, a fast learner, and collaborative
Good to know
- Listed with us since
- November 11, 2026
- Employer
- 15 more open roles at Lemlist in our index. Of these, 7 fully remote. See remote jobs at Lemlist
- Benefits in the posting
- Profit sharing, Alan Blue healthcare fully covered for you and your family, Swile meal vouchers, 100% of your Navigo card covered, MacBook Pro and remote setup budget, Annual global team retreat
Before you apply
These terms appear word for word in the posting. If you have these skills, they belong in your CV too.
- 8+ years in TypeScript / JavaScript (frontend + backend)
- Node.js, React, MongoDB
- building & maintaining web apps
- advanced performance optimization
- B2B SaaS startup experience
Generated automatically by nomado24 from the posting and our index. Not an employer statement. The original posting is authoritative.
Job description
ABOUT LEMLIST
lemlist is a global B2B SaaS business with one mission: help any business grow.
We’re doing $60M+ ARR, while being:
- Bootstrapped & profitable, giving us freedom and independence
- 170 people, remote-friendly, agile
We run two product lines:
- Sales Engagement with lemlist & Claap ($58M ARR, growing +60% YoY)
- Social selling with Taplio & Tweet Hunter ($4M ARR)
Our ambition: become a world-class giant in Sales Tech.
Our mantra: Keep growing.
ABOUT THE ROLE
We’re looking for a Tech Lead or a Senior Fullstack TypeScript Developer to join our team.
The role starts as a Senior Developer, then evolves into a Tech Lead position after 3-6 months, once you’ve proven yourself in the squad.
You’ll design, build, and ship features across frontend and backend, improve performance, and progressively take leadership within your squad to set technical standards, mentor peers, and drive delivery.
WHAT YOU’LL DO
- Build new features end-to-end (frontend + backend) by working hand-in-hand with a strong Product team
- Improve the codebase (refactoring, bug fixes, optimization)
- Collaborate with the rest of the team to solve technical issues
- Mentor fellow developers, share knowledge, and raise the bar
- Step up as Tech Lead in your squad: drive quality, make technical choices, and align delivery
WHAT SUCCESS LOOKS LIKE
Within 3 months
- You’re fully onboarded and comfortable in our stack
- You’ve shipped meaningful features in production
- You’ve contributed to improving our codebase
Within 6 months
- You’ve led delivery of multiple successful projects
- You’ve had direct impact on scalability & performance
- You’ve grown into your Tech Lead role and mentor others
WHAT’S IN IT FOR YOU
- Join a bootstrapped, profitable, fast-growing SaaS company
- Build products used by thousands of businesses worldwide
- See your impact quickly with a very short feedback loop
- Work with senior engineers who love to learn and share knowledge
- Remote-first culture (office in Paris if you prefer )
- No endless meetings, high autonomy, big impact
ABOUT YOU
Must have
- 8+ years in TypeScript / JavaScript (frontend + backend)
- Solid skills in Node.js, React, MongoDB
- Proven track record building & maintaining web apps
- Always hungry to learn more, particularly around JS/TS
- Autonomous, fast learner, and collaborative
- Fluent in French & English, based in French timezone (+/- 2h)
Nice to have
- B2B SaaS startup experience
- You worked on a SaaS that scaled massively
- You are familiar with advanced performance optimization
- Self-taught hacker or side-project builder
- Passionate about experimenting & creating beyond work
PACKAGE
- 75 - 85K€ fixed
- Profit sharing: when lemlist wins, you win too
- Full perks: Alan Blue (healthcare) 100% taken care of for you and your family, Swile meal vouchers, 100% of your Navigo card, MacBook Pro & remote setup budget
- Annual global team retreat in amazing locations
RECRUITMENT PROCESS
1. Interview with Lucas (TAM)
2. Technical interview with Corentin (VP of Engineering)
3. Technical interview with Mickael (CTO)
4. Final chat with Charles (CEO)
This role is provided by an external source. Applications are handled on the source website.