> Markdown version of [/jobs/ext/3911200-senior-backend-engineer](https://www.wearedevelopers.com/jobs/ext/3911200-senior-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Backend Engineer - **Company:** Actimi GmbH - **Location:** Stuttgart, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Software Debugging, Distributed Systems, EHealth, Github, PostgreSQL, Node.Js, Redis, TypeScript, Backend, Build Management, NestJS - **Published:** October 26, 2026 - **Apply:** https://www.careerjet.de/jobad/def6efab6414b6ddb4b3812c5879f896f7 ## About the Role * Production experience with TypeScript, Node.js, and NestJS (Express under the hood) * Solid problem-solving in distributed systems, and the instinct for debugging under load * Experience building backend services that stay correct and available as they scale ## Description Actimi is a medtech company, we build and deploy a digital health platform for realtime and on-demand data from wearables and medical devices. We're scaling our digital healthcare infrastructure, extend it with AI and are looking for a senior backend or fullstack engineer to help us with it. Tasks * Design and scale NestJS services that handle real-time device telemetry * Own reliability under load, multi-tenancy, caching, queues, and PostgreSQL / Redis performance * Incorporate AI on all levels. Keep the system correct as it grows., * LeetCode * HackerRank * Codeforces * Or similar (a GitHub profile with relevant projects works too).