[Hiring] Tech Lead / Engineering Manager - Fullstack JS/TS @lemlist

Role Description

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

Qualifications

• 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)

Requirements

• 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

Benefits

• 65 - 75K€ fixed + 18K€ bonus
• 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

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