Full-Stack Developer Tech & Product Paris 11th arrondissement · Hybrid →

Waro is looking for a lead full-stack developer to join its tech team starting in September 2026.

• Design and implement new features to enhance the platform and the user experience
• Evolve the application architecture to support its growth and address scalability challenges
• Tackling a variety of technical challenges: automated data collection, impact calculation engine, dashboard, eco-design simulation, user experience, etc.
• Work closely with the product team to understand business challenges and propose the best technical solutions
• Ensure code quality and performance: clean code, security, testing, code reviews, bug fixes, etc.

Desired Qualifications

• You have more than 3 years of experience in full-stack development
• You are a graduate ofan engineering school
• You value code quality and maintainability : DX, clean code, tests, documentation, continuous improvement…
• Do you enjoy understanding product and business challenges in order to design appropriate technical solutions ?
• You care about environmental issues and want to give your work meaning by contributing to a project that makes a positive impact
• Bonus: You're comfortable working with our tech stack (TypeScript, React, Node.js)

What We Offer You in Return

• A role that has a tangible impact on the product and the platform's architectural decisions , with opportunities to advance to a lead developer role
• A work environment on a human scale , with a genuine culture of collaboration, quality, and rigor
• The satisfaction of putting your technical and interpersonal skills to work toward a meaningful mission: making environmental impact a central consideration in the decisions of brands and consumers
• Awesome teammates to share Ap’Waro and War’eminars and other fun get-togethers with (no pressure)
• Offices in the heart of the 11th arrondissement, featuring a gym and a ping‑pong table