Senior Fullstack Engineer (TypeScript) is open at Cryptonext Security in Paris, Île-de-France, France. Posted on Aug 10, 2026, and still on Cryptonext Security’s careers page when we last checked, on Nov 15, 2026.
About the role
Who we are CryptoNext Security is a deeptech startup specializing in post-quantum cryptography. Our solutions help businesses and institutions prepare for a future where quantum computers will challenge traditional data security. We work with leading clients in finance, defense, and telecommunications. On a daily basis, you will • Own features end to end in TypeScript: Hono and Node.js on PostgreSQL, React SPA on…
The opening lines of the posting. The rest is on Cryptonext Security’s careers page.
Hiring at Cryptonext Security
Cryptonext Security has 5 open roles right now. Most are in Engineering, Product and Security. See all its roles
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