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Staff Engineer - Fullstack JS/TS

lemlist

You’ll design, build, and ship features across frontend and backend, improve performance, and progressively take leadership on more transversal topics, mentor peers, and drive delivery.

About lemlist

  • help any business grow
  • 60M+ ARR, while being:
  • Bootstrapped & profitable

170 people, remote-friendly, agile

  • Majority-owned by our founder Guillaume Moubeche, giving us freedom and independence
  • Keep growing.

Responsibilities

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

Sales Engagement

  • with lemlist & Claap ($50M ARR, growing +60% YoY) Social selling with Taplio & Tweet Hunter ($4.5M ARR)
  • Our ambition: become a world-class giant in Sales Tech.
  • to join our team.
  • 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 on specific topics: drive quality, make technical choices, and align delivery Solve difficult problems that impact 10,000s of customers every day
  • You’ve shipped meaningful features in production
  • You’ve contributed to improving our codebase
  • You've brought knowledge to the team that made other people improve
  • You’ve led delivery of multiple successful projects
  • What’s in it for you Join a bootstrapped, profitable, fast-growing SaaS company
  • Build products used by thousands of businesses worldwide

Requirements

  • Within 12 months
  • You’ve had direct impact on scalability & performance
  • You’ve grown into your
  • an internal reference on some technical topics and mentor others
  • No endless meetings, high autonomy, big impact
  • 10+ years in Software Engineering
  • 7+ years in JavaScript/TypeScript (frontend + backend)
  • Solid skills in
  • Node.js, React, MongoDB
  • Proven track record building & maintaining web apps
  • Always hungry to learn more
  • Autonomous, fast learner, and collaborative
  • Fluent in French & English, based in French timezone (+/- 2h)

Preferred

  • B2B SaaS startup experience
  • Self-taught hacker or side-project builder
  • Passionate about experimenting & creating beyond work
  • Package

Pay

75-90K€ base salary

Benefits

  • 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 🌍

What success looks like

Within 3 months

You’re fully onboarded and comfortable in our stack

  • 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 🇫🇷)

Recruitment process

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