Senior Fullstack TypeScript Developer (Product Engineer)

Lemlist·Nantessenior

In short

→Desarrolla funciones nuevas en frontend y backend con TypeScript en una SaaS B2B de crecimiento acelerado.
→Lideras técnicamente tu equipo, mejoras el código y formas a otros desarrolladores.
→Trabajo remoto full-time, alta autonomía y impacto real en productos que generan $54M ARR.

Hablas inglés y francés

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What they ask for

✓7+ años de experiencia con TypeScript/JavaScript
✓Experto en Node.js y MongoDB
✓Capacidad para trabajar de forma autónoma y tomar ownership
✓Experiencia comprobada en desarrollo de aplicaciones web
✓Inglés y francés fluidos (zona horaria de Francia)
✓Aptitud para metodologías ágiles y trabajo remoto

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TypeScriptJavaScriptNode.jsMongoDBReactGatherSlackNotionAgileB2B SaaS

Who should you write to at Lemlist?

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🚀 About lemlist lemlist is a global B2B SaaS business with the mission to help any business grow. 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, providing prompt and effective solutions Facilitating knowledge sharing and capacity building by training fellow developers, enhancing overall team competency and productivity. Key results Within 3 months you will have Successfully onboarded and integrated into the team Developed a deep understanding of our B2B SaaS products and their technical requirements Contributed to the development of new features and improvements to our existing code base Within 12 months you will have Played a key role in the development and delivery of multiple successful projects Made significant contributions to the optimization and scalability of our software products What’s in it for you? Work in a profitable, bootstrapped, and high-growth company that doesn’t rely on external funding to live. You will have the opportunity to make a lasting impact on a suite of products that are changing the game in multiple industries. Work with passionate senior engineers who share their knowledge and expertise Great ownership of your work. You will be part of a dynamic, innovative, and passionate team that respects autonomy and encourages individual input. No endless meetings Full remote policy You will grow professionally and personally, enhancing your technical skills and expanding your global network. Preferred Experience Must have 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. 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.

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