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AI Engineer

Mindbox Sp. z o.o.Data & Analytics
Hiring from
Poland
Work type
Hybrid
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AI Engineer

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

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?

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

What you'll be doing

  • 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.

What you get in return

  • 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

Who we're looking for

Languages & Frameworks
  • Python (3+ years), Java (regular).
  • FastAPI, LangChain, Data containers, Spring.
Databases & Infrastructure
  • SQL databases (PostgreSQL), Vector databases, Redis (KV stores).
  • Azure / GCP, Kubernetes, CI/CD (Jenkins, Azure DevOps, GCP Cloud Build).
  • Experience with containers and cloud-native architectures.
AI & ML Expertise
  • Knowledge of LLMs and their usage on domain-specific data.
  • Experience with RAG, Prompt Engineering, and Agentic AI architectures.
  • ML, NLP, and deep learning experience, including experimentation and model development.
Engineering Practices
  • Microservices architecture and observability concepts.
  • Strong understanding of API design and concurrency models.
  • Practical experience with TDD and BDD methodologies.
Soft Skills
  • Excellent communication and presentation skills in English.
  • Ability to convey technical details to diverse business and technical audiences.

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.

Ready to take the next step?

Submit your application! We look forward to reviewing your profile 😊

Know someone who might be a great fit?
Feel free to share this opportunity using the referral link: Mindbox Referrals System

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