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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on AI for finance, supporting credit and lending applications and transforming complex financial data into actionable insights. Core stack: Python, Java, FastAPI, LangChain, PostgreSQL, vector DB, Redis, and Azure/GCP with Kubernetes and CI/CD. Responsibilities include designing and optimizing prompts for LLMs, developing RAG solutions, cloud deployment, writing testable code, co-authoring architecture, and applying responsible AI practices. Offered benefits include private medical care, Multisport, insurance, and training budget.
from: 2 November 2026
to: 2 December 2026
31 000 - 34 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:mid • senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
Python
Java
FastAPI
LangChain
Spring Framework
PostgreSQL
Redis
Kubernetes
Jenkins
Azure DevOps
Google Cloud Platform
Docker
Optional technologies
Azure DevOps
Google Cloud Platform
Docker
Operating system
Windows
Our requirements
Languages & Frameworks
Databases & Infrastructure
AI & ML Expertise
Engineering Practices
Soft Skills
Your responsibilities
- Design, test, and optimize prompts for LLMs to support Credit & Lending applications.
- Develop and implement RAG-based AI solutions leveraging vector databases.
- Participate across all stages of the solution lifecycle — from ideation to deployment.
- Apply best practices in AI to ensure fairness, transparency, and accountability.
- Collaborate with engineers, product managers, and business experts to align goals.
- Write clean, testable, and reusable code.
- Use cloud platforms (Azure, GCP) for model development, deployment, and scaling.
- Co-author architecture and solution designs, supporting live production systems.
- Note: Detailed project information will be shared during the recruitment process.
About the project
As an AI Engineer, you’ll design, test, and optimize prompts for Large Language Models (LLMs) to ensure reliable and high-quality outputs. You’ll build and implement advanced AI solutions utilizing Retrieval-Augmented Generation (RAG) and vector databases to transform complex financial data into actionable insights.
You will also collaborate with a cross-functional team of engineers, product managers, and business experts, taking projects through the entire lifecycle — from problem discovery and prototyping to production-grade deployment.
Sounds like your kind of challenge?
This is how we organize our work
This is how we work
you have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedyou focus on product development
This is how we work on a project
- code review
- BDD
- TDD
- Continuous Deployment
- Continuous Integration
- active monitoring
- documentation
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.
What we offer
- Hybrid work setup – 2/week 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
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- life insurance
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.
AI Engineer
31k–34k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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