Python Developer (AI / LLM)

• Prestigious position at one of the world’s largest banks
• Stable, long-term projects
• Competitive salary with a B2B contract
• Hybrid work (6 days per month from the office in Cracow)
• Private healthcare and multisport card
• Personal growth and development opportunities with the possibility to rotate between projects
• Referral program and company events
• Convenient parking

Daily tasks

• Design and fine-tune prompts to get high-quality, reliable results from LLMs.
• Build RAG-based solutions with vector databases to extract insights from complex financial data.
• Take part in the full product lifecycle, from discovery and prototyping to production deployment.
• Collaborate with engineers, product managers, and business experts.
• Write clean, testable, and reusable code.
• Develop and scale solutions on Azure and GCP.
• Contribute to solution design and architecture.

Requirements

• 3+ years of commercial experience with Python.
• Experience with FastAPI and LangChain.
• Practical knowledge of LLMs, RAG, and prompt engineering.
• Familiarity with SQL databases (PostgreSQL) and vector databases.
• Understanding of microservices, API design, and CI/CD.
• Experience with Docker and Kubernetes.
• Good English communication skills, including presenting technical ideas to business stakeholders.

Must have: Python, FastAPI, LangChain, LLMs, RAG, SQL, CI/CD