75K–90K EUR / year
Staff Engineer - Fullstack JS/TS
FullstackHybrid — Paris, France
Published on 2026-10-30
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About this role
Build and ship end-to-end features across the frontend and backend of lemlist’s SaaS products. Improve code quality, performance, and scalability while mentoring peers and progressively leading technical topics and project delivery.
About the company
Lemlist is a sales engagement platform for personalized outbound campaigns. It helps GTM teams run multichannel sequences and improve reply rates.
Stack
JavaScriptTypeScriptNode.jsReactMongoDB
What you'll do
- Build frontend and backend features in partnership with Product
- Refactor, fix bugs, and optimize the codebase
- Collaborate to solve technical issues
- Mentor developers and share knowledge
- Lead technical topics, make technical decisions, and align delivery
- Address problems affecting tens of thousands of customers
What we're looking for
- 10+ years of software engineering experience
- 7+ years of JavaScript/TypeScript experience across frontend and backend
- Strong Node.js, React, and MongoDB skills
- Experience building and maintaining web applications
- Fluent in French and English
- Based in the French time zone, within approximately two hours
- Autonomous, collaborative, and eager to learn
Nice to have
- B2B SaaS startup experience
- Self-taught or experienced building side projects
- Enjoys experimenting and creating outside work
Benefits
- Profit sharing
- Alan Blue healthcare fully covered for employee and family
- Swile meal vouchers
- Full reimbursement of Navigo transit card
- MacBook Pro and remote-work setup budget
- Annual global team retreat
Hiring process
- Interview with Talent Acquisition Manager
- Technical interview with VP of Engineering
- Technical interview with CTO
- Final conversation with CEO