Python Developer (AI & GenAI focus)

Responsibilities

• End-to-End Development: Lead the development of Python-based AI solutions, moving fluidly from initial POC stages to near-production level code.
• Architectural Strategy: Support the Lead Architect in designing scalable solutions, focusing on process orchestration and fast-paced testing.
• Stakeholder Management: Gather requirements and present technical milestones to stakeholders, demonstrating the feasibility and value of experimental AI models.
• Advanced Orchestration: Define and implement robust architectures for distributed systems, ensuring reliability in complex, regulated environments.
• Ownership & Delivery: Take independent ownership of specific project modules, from technical discovery to final delivery.
• Senior Python Expertise: 4+ years of professional experience in Python development, with a strong focus on AI, Machine Learning, and data analysis.
• Generative AI & LLM: 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.
• Infrastructure & Environment: Solid experience with Linux and Cloud platforms
• What do we offer you?
• 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.
• If you have read this far and you are looking forward to joining this challenge, do not hesitate to apply... we would be delighted to meet you!
• Talan Spain's commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company's "Equality Plan" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).
• #LI-LL1

Additional Information

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.

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