AI Fullstack Python focused Engineer, REMOTE WARSZAWA
- Ability to work 2:00 p.m. - 10:00 p.m. (CEST).
- Proven experience in building and maintaining production-ready agentic systems (custom evaluation harnesses).
- A solid understanding of how modern LLMs work at the API level - tool calling, agent loops, context management - and experience building custom tools, harnesses, or non-trivial agent integrations.
- 5+ years as a software engineer, full stack engineer, or similar.
- Experience with JavaScript, Python and backend frameworks like FastAPI or Django.
- Strong experience building production software with TypeScript.
- Strong experience designing APIs, services, data models, and workflows — ideally with TypeScript, Python, FastAPI, JavaScript, and Postgres.
- BS/MS in Computer Science, Mathematics, Statistics, or a related quantitative field.
- Experience with Next.js and Material UI.
- Experience with cloud environments like AWS.
- Familiarity with vector and columnar databases.
You will be cooperating with a leading provider of AI evaluation and optimization solutions, trusted by multinational companies to optimize AI agents and detect performance issues in large language models.
In this role, you will contribute to a product that addresses one of the most important and challenging problems facing society’s adoption of AI today.
Due to the client’s time zone, we would appreciate a candidate who can work until 10:00 p.m.
Join us and make a real impact!
If you’re ready to broaden your horizons and work with an innovative company at the forefront of AI, we’d love to hear from you. You’ll help build the environments that shape how future AI systems are trained, evaluated, and aligned - and collaborate with world-class engineers and researchers on one of the most important technical challenges of our time.