Senior Fullstack Engineer (TypeScript)
Cryptonext Security is hiring for Senior Fullstack Engineer (TypeScript) in Paris, Île-de-France, France. Senior level. First seen August 11, 2026; open as of November 6, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Cryptonext Security
- Where
- Paris, Île-de-France, France
- Level
- Senior
- First seen
- August 11, 2026
- Listed via
- Workable
What the posting says
On a daily basis, you will • Own features end to end in TypeScript: Hono and Node.js on PostgreSQL, React SPA on the front. • Design HTTP APIs consumed through Hono's typed RPC client, with generated OpenAPI specs. • Model and query PostgreSQL: schema, migrations, query performance. • Build interfaces with Vite, TanStack, Tailwind and shadcn/ui. • Work directly with Product and QA. • Write the unit and integration tests that back your features, and give QA what they need to automate the rest. • Review code. • Use AI coding tools as leverage under your own judgement, staying accountable for…
Read more and apply on Cryptonext Security's site
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