At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.
Sounds like your kind of challenge?
#LI – Hybrid: 2x/week from the office in Kraków
What you’ll be doing
- 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
Note: Detailed project information will be shared during the recruitment process.
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
Who we’re looking for
- 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
- 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.
I will handle your recruitment
Anna Rodak-Bucka

