Senior Python Engineer with AI/ML skills

What will you do?

You will work as part of a dedicated engineering team delivering flagship AI and ML solutions for the Credit and Lending domain, leading the design and development of scalable, production-ready systems based on modern LLM and RAG approaches while closely collaborating with business stakeholders to translate complex financial requirements into high-impact technical solutions.

Your tasks

• Write and maintain high-quality, testable, and reusable code


• Lead the design of scalable and robust AI and ML solutions aligned with platform strategy


• Own end-to-end engineering delivery from design through deployment


• Mentor engineers and support their technical growth


• Define and promote coding standards and AI best practices


• Evaluate and prototype new technologies including RAG techniques and LLM optimization


• Collaborate with stakeholders to translate business needs into technical solutions


• Design and implement solutions using RAG and vector databases for financial data

Your skills

• 4+ years of hands-on experience working with Python and its AI and ML ecosystem


• Proven experience in a senior engineering role with ownership of technical initiatives


• Strong knowledge of LLM architectures and experience fine-tuning models


• Hands-on experience with Retrieval-Augmented Generation and prompt engineering


• Experience designing agentic architectures and AI-driven systems


• Strong understanding of machine learning, deep learning, and NLP concepts


• Experience with microservices architecture, API design, and concurrency models


• Practical knowledge of relational databases such as PostgreSQL


• Experience working with vector databases, Redis or similar KV stores, and Pub/Sub systems


• Experience with Azure or GCP, containers, Kubernetes, and CI/CD tools


• Strong commitment to engineering best practices including TDD and BDD


• Excellent communication skills in English

Nice to have

• Experience with Java for integration or middleware tasks


• Experience in financial services or credit and lending domain


• Experience building observability solutions for distributed systems

We offer

• Hybrid work from our client's office (Kraków) 8 days per month


• Working in a highly experienced and dedicated team


• Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)


• Online training and certifications


• Access to e-learning platform


• Social events