> Markdown version of [/jobs/ext/4614437-senior-ai-software-engineer](https://www.wearedevelopers.com/jobs/ext/4614437-senior-ai-software-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 AI Software Engineer - **Company:** finanzen GmbH - **Location:** Karlsruhe, Germany (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Amazon Web Services, Code Review, Python (Programming Language), Machine Learning, Software Architecture, Large Language Models, AI Coding Agents, Backend, Fastapi, Claude, Data Pipelines - **Published:** November 7, 2026 - **Apply:** https://www.adzuna.de/details/5955426832 ## About the Role We're looking for a Senior AI Software Engineer with strong Python and AWS experience who enjoys taking ownership and shipping products end-to-end. You'll work primarily with Python, FastAPI, GenAI and AWS, building scalable backend services, AI-powered features and data pipelines. You'll make real architectural decisions, like knowing when an LLM beats a well-tuned ML model or a simple heuristic, and own features from idea through production. We move fast, keep things pragmatic and give engineers a lot of ownership. ## Description We're building a product that helps investors make better decisions by combining real-time market data, news and GenAI into a product used daily by investors., * Build and ship AI-powered, full-stack products from idea to production. * Develop scalable backend services with Python & FastAPI. * Design, deploy and operate production systems on AWS. * Drive architecture and technical decisions and contribute to code reviews. * Build practical GenAI solutions and evaluate where LLMs actually add value. * Use AI coding tools such as Claude or Codex to improve development workflows. * Own reliability, observability and performance of what you build.