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Senior Fullstack TypeScript Developer (Product Engineer)lemlist · Nantes
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lemlist

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Senior Fullstack TypeScript Developer (Product Engineer)

🗓️ Posted 2026-07-09 Nantes Fulltime Hybrid ICT
💰 Salary Not shared 📊 Market 4,500 EUR–6,000 EUR/mo

About the Company

About lemlist lemlist is a global B2B SaaS business with the mission to help any business grow. We are doing over 54M in ARR while being: - Bootstrapped - Profitable - A small, agile team of 170 highly talented people, remote-friendly - Majority owned by an entrepreneur, Guillaume Moubeche, Founder & Chairman - which gives us maximum freedom We operate 2 business lines: - Sales Engagement with our flagship products lemlist & Claap, generating 49.5M ARR and growing over 50% year over year - Personal Branding with Taplio & Tweet Hunter, generating 4.5M ARR lemlist is a highly ambitious company that aims to become a world-class giant in the Sales Tech space. Our mantra: Keep growing - and we live by it every day. Job Description We're looking for a Senior Fullstack TypeScript Developer to join our team. You'll be responsible for designing and developing new features for our SaaS products. We need someone who is passionate, autonomous, and loves technical challenges. Your main missions will be: - Design and develop new features from scratch, both on the frontend and backend, Independently developing new features that enhance user experience and increase product functionality. - Stepping into the role of technical lead within your squad, driving excellence and setting standards. - Improve the code base with refactoring, bug fixes, and optimization - Work on multiple projects simultaneously - Help the customer support team on technical issues, pro

Requirements

  • ● You're an expert in TypeScript / JavaScript with at least 7 years of XP
  • ● You have a proven track record in building and maintaining web applications.
  • ● You have a robust understanding of NodeJS and MongoDB, and ideally React
  • ● You're able to work independently and take ownership of complex projects
  • ● You're a fast learner
  • ● You're comfortable with the agile methodologies
  • ● You like to communicate
  • ● You like to work remotely, Gather, Slack and Notion are your best friends
  • ● You are adaptable and like to discover new things and you can work on front-end integration, back-end development, mongo optimization, performance issues and more
  • ● You speak French and English and you are in the French timezone
  • ● Nice to have
  • ● You have a first experience in B2B SaaS startup
  • ● You are self-taught, you have been developing personal projects since you were a child or in the evenings and weekends. This is not mandatory but a big plus for us, we are all passionate about programming and like to create things, both at work and outside
  • ● Salary between 60K and 70K fixed salary + 18K bonus
  • ● Where you live, and work is totally up to you - we do have an office in Paris if you enjoy life at the office
  • ● Profit sharing: When lemlist wins, all team members share the profits
  • ● Alan Blue: Comprehensive 100% premium medical coverage for you and your family
  • ● Swile Meal Tickets: Enjoy daily meal tickets to fuel productivity
  • ● Navigo Card: Seamless commuting with a 100% covered Navigo card
  • ● Full-remote Work Setup: A well-funded home office budget to ensure seamless remote work