Full Stack Engineer – Decentralized Technology (France)

About the role

This is a high‑impact Full Stack Engineer position within a fast‑evolving decentralized technology ecosystem. Based in France, you will work on both user‑facing applications and the core infrastructure that powers them, collaborating with product, developer relations, and business teams.

Key responsibilities

• Design, develop, and ship end‑to‑end full‑stack products, including consumer apps, developer tools, and internal platforms.
• Build and maintain high‑performance backend services and APIs for large‑scale decentralized applications.
• Create developer‑facing SDKs, CLIs, libraries, and starter kits to boost ecosystem adoption.
• Develop internal tooling that improves engineering velocity and system reliability.
• Own features from rapid prototyping through production deployment and ongoing optimization.
• Partner with cross‑functional teams (DevRel, Marketing, Business Development) to align technical output with market needs.
• Identify ecosystem gaps and proactively design solutions.
• Ensure performance, reliability, and scalability across all stack layers.

Required profile

• Strong experience with TypeScript across both frontend and backend.
• Proven ability to deliver production‑grade front‑end applications with a focus on performance and usability.
• Solid backend engineering skills, including API design and data‑layer architecture.
• Interest or experience in blockchain, crypto, or on‑chain systems.
• High ownership, autonomy, and product‑mindset.
• Comfortable working in fast‑paced, high‑growth technical environments.

Required skills

• TypeScript
• Golang (optional but beneficial)
• Modern frontend frameworks
• API development
• Blockchain/crypto concepts