AI Developer - LLM Applications

Reaktor

Full-time Software Development
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Location
helsinki, uusimaa, Finland
Posted
June 04, 2026

Job Description

Reaktor's award-winning tech community is looking for AI developers to join us in Helsinki.

If you thrive on applying cutting-edge AI technologies, building LLM-powered applications, and driving projects through the full software development lifecycle β€” and you’re passionate about solving real human problems with a holistic approach β€” we’d love to meet you. Join us to experience a truly collaborative, low-hierarchy environment where your curiosity and ideas can make a real impact.


As an AI Developer at Reaktor, your job is to be an expert in a range of AI-related software development responsibilities spanning the entire software development lifecycle, from front-end to production.

Your daily tasks include:

  • Designing and implementing end-to-end LLM-enabled applications from backend architecture to user-facing components, ensuring scalability and maintainability.

  • Integrating commercial and open source ...