AI Engineer

AI Engineer

Miejsce pracy: Kraków

Technologies we use

Expected

• PostgreSQL
• FastAPI
• LangChain

Optional

• Java
• Redis
• Jenkins
• Azure DevOps
• Google Cloud Platform
• Docker

Operating system

• Windows

About the project

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?

This is how we organize our work

This is how we work

• at the client's site
• agile

Your responsibilities

• 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.

Our requirements

• 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

Optional

• 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)

What we offer

• Flexible cooperation model
• Hybrid work setup – 6x/month from the office in Kraków
• 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

This is how we work on a project

• BDD
• TDD
• Continuous Deployment
• Continuous Integration
• DevOps
• issue tracking tools
• test automation
• testing environments

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of professional training & courses
• life insurance

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.

Mindbox Sp. z o.o.

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

Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.