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# 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, Backend, Fastapi, Data Pipelines
- **Published:** September 26, 2026
- **Apply:** https://www.adzuna.de/details/5898089431

## 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.


## Related Videos

- [Pioneering AI Assistants in Banking](https://www.wearedevelopers.com/videos/1627-pioneering-ai-assistants-in-banking)
- [Are Code Reviews Worth It? Insights from 16 Years of Review Data](https://www.wearedevelopers.com/videos/1135-are-code-reviews-worth-it-insights-from-16-years-of-review-data)
- [Intro to FastAPI](https://www.wearedevelopers.com/videos/462-intro-to-fastapi)
- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [How we built an AI-powered code reviewer in 80 hours](https://www.wearedevelopers.com/videos/1511-how-we-built-an-ai-powered-code-reviewer-in-80-hours)
- [Build a CI/CD pipeline to automate code reviews and ensure code quality](https://www.wearedevelopers.com/videos/349-build-a-ci-cd-pipeline-to-automate-code-reviews-and-ensure-code-quality)

## Related Articles

- [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer)
- [What is Software Engineering in the Age of AI?](https://www.wearedevelopers.com/magazine/640-what-is-software-engineering-in-the-age-of-ai)
- [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)
- [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies)
- [MLOps And AI Driven Development](https://www.wearedevelopers.com/magazine/82-mlops-and-ai-driven-development)
- [Transforming Software Development: The Role of AI and Developer Tools](https://www.wearedevelopers.com/magazine/527-transforming-software-development-the-role-of-ai-and-developer-tools)