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Technical Lead - Fullstack JS/TS

lemlist

👉 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.

About lemlist

  • help any business grow
  • $60M+ ARR, while being:
  • Bootstrapped & profitable, giving us freedom and independence

170 people, remote-friendly, agile

Keep growing.

Responsibilities

  • About lemlist
  • lemlist is a global B2B SaaS business with one mission:

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.
  • or a

Senior Fullstack TypeScript Developer

  • to join our team.
  • 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.
  • 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
  • You’ve contributed to improving our codebase

Requirements

  • Within 6 months
  • You’ve had direct impact on scalability & performance
  • You’ve grown into your
  • No endless meetings, high autonomy, big impact
  • 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)

Preferred

  • 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

Benefits

  • 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 🇫🇷)
  • 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 🌍

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 led delivery of multiple successful projects

Recruitment process

  • Interview with Lucas (TAM)
  • Technical interview with Corentin (VP of Engineering)
  • Technical interview with Mickael (CTO)
  • Final chat with Charles (CEO)