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Python Developer (AI & GenAI focus)

Poland, Warsaw · Job Posted May 06, 2026
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Job Description

We are seeking a Senior Python Developer specializing in AI and Generative AI. This role is designed for a technical 'builder' who thrives in the space between experimental Proof of Concepts and production-level implementation. Working directly with the Lead Architect, the successful candidate will be responsible for developing high-stakes AI solutions, writing robust Python code for LLM integration, and presenting innovative architectural designs to key stakeholders. This is a high-visibility role within an organization currently undergoing a significant AI transformation.

Job Responsibility

  • Lead the development of Python-based AI solutions, moving fluidly from initial POC stages to near-production level code
  • Support the Lead Architect in designing scalable solutions, focusing on process orchestration and fast-paced testing
  • Gather requirements and present technical milestones to stakeholders, demonstrating the feasibility and value of experimental AI models
  • Define and implement robust architectures for distributed systems, ensuring reliability in complex, regulated environments
  • Take independent ownership of specific project modules, from technical discovery to final delivery

Requirements

  • 4+ years of professional experience in Python development, with a strong focus on AI, Machine Learning, and data analysis
  • Proven hands-on experience with RAG (Retrieval-Augmented Generation) architectures and Vector Databases
  • Prompt Engineering and framework mastery (e.g., LangChain, LlamaIndex)
  • Deep understanding of how LLMs function under the hood
  • Solid experience with Linux and Cloud platforms

What we offer

  • Hybrid position based in Warsaw, Poland
  • Permanent, full-time contract with career development opportunities
  • Chance to work in a challenging, multicultural environment with international projects
  • Exposure to large-scale financial IT systems and cross-country operations
  • Training opportunities to develop new skills in finance, technology, and data management

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