AI Engineer

Mindbox Sp. z o.o. KRAKÓW 2026-08-19



  • Python (3+ years of hands-on experience)

  • Practical experience with LLMs, Prompt Engineering, and RAG (Retrieval-Augmented Generation)

  • Knowledge of Agentic architectures

  • Background in machine learning, deep learning, and NLP

  • Vector Databases and SQL Databases (PostgreSQL)

  • FastAPI, LangChain

  • Knowledge of Microservices architecture, API design, Observability, and Concurrency models

  • Azure and/or GCP – cloud development, deployment, and scaling

  • Practical experience with TDD and BDD

  • Strong English communication skills – ability to present technical solutions to business stakeholders


Nice to have


  • Java (regular use) and Spring framework

  • Redis (KV stores)

  • Kubernetes and CI/CD tooling (Jenkins, Azure DevOps, GCP Cloud Build)

  • Container-based development (Docker, Data containers)





Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference. 



At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. 




Join our client's team, where you'll play a key role in shaping AI-powered solutions for Credit & Lending use cases. Your contribution will help deliver high-impact solutions in financial services – intelligent systems built on LLMs and RAG that bring real insight to complex financial data.


You'll step in as an AI Engineer, working closely with engineers, product managers, and business experts to design, implement, and deploy AI solutions end-to-end. Your role will be central to building reliable, production-grade systems that leverage the latest in LLM and RAG technology – not just execution.




Sounds like your kind of challenge? 


#LI - Hybrid: 2x/week from the office in Kraków



What you get in return


  • Flexible cooperation model

  • Hybrid work setup – remote days available depending on the client’s arrangements 

  • Collaborative team culture – work alongside experienced professionals eager to share knowledge 

  • Continuous development – access to training platforms and growth opportunities 

  • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 

  • High quality equipment – laptop and essential software provided 


,[Design, test, and optimize prompts for Large Language Models (LLMs) to deliver high-quality, reliable outputs for Credit & Lending use cases., Develop and implement RAG (Retrieval-Augmented Generation) pipelines and vector database solutions to unlock insights from complex financial data., Participate in the full solution lifecycle – from problem discovery and prototyping through to design, implementation, and production deployment., Apply AI best practices to ensure fairness, transparency, and accountability across all models and applications., Co-author solution designs and architecture; maintain and evolve products in production., Utilize cloud platforms (Azure, GCP) for the development, deployment, and scaling of AI models., Write and maintain high-quality, testable, and reusable code., Collaborate with a cross-functional team to align technical efforts with strategic goals] Requirements: Python, Machine learning, Deep learning, NLP, SQL, PostgreSQL, FastAPI, Microservices architecture, API, Azure, GCP, Cloud development, TDD, BDD, Communication skills, Java, Spring Framework, Kubernetes, CD, Jenkins, Azure DevOps, Cloud, Docker
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