Staff Engineer - Fullstack JS/TS

About the role

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 on specific topics: drive quality, make technical choices, and align delivery
• Solve difficult problems that impact 10,000s of customers every day

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
• You've brought knowledge to the team that made other people improve

Within 12 months

• You’ve led delivery of multiple successful projects
• You’ve had direct impact on scalability & performance
• You’ve grown into your an internal reference on some technical topics 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 youMust have

• 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, 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
• Self-taught hacker or side-project builder
• Passionate about experimenting & creating beyond work

Package

• 70-75K€ 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)…