Software Engineer (AI/ML)

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

We’re a dedicated team of engineers tackling real-world financial challenges through cutting-edge AI. Our mission is to design, build, and deploy advanced Machine Learning and AI solutions that bring real impact to clients and businesses.
 

Sounds like your kind of challenge? 

What you’ll be doing

  • Design, test, and optimize prompts for Large Language Models (LLMs) for reliable and high-quality outputs.
  • Implement solutions using Retrieval-Augmented Generation (RAG) and vector databases to derive insights from complex financial data.
  • Participate in the full solution lifecycle – from discovery and prototyping to development and production deployment.
  • Ensure transparency, fairness, and accountability in all AI models and applications.
  • Collaborate with engineers, product managers, and business experts to align technical efforts with strategic goals.
  • Write and maintain high-quality, testable, reusable code.Work with cloud platforms (Azure, GCP) for development and deployment.
  • Contribute to architecture design, ensuring stability and scalability of AI models in production.

Note: Detailed project information will be shared during the recruitment process. 

What you get in return

  • Flexible cooperation model – choose the form that suits you best
    (B2B, employment contract, etc.).
  • Hybrid work setup – (2/week / 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

  • Programming Languages: Python (3+ years), Java (regular).
  • Frameworks: FastAPI, LangChain, Data containers, Spring.
  • Databases: SQL (PostgreSQL), Vector Databases, Redis.Strong knowledge of microservices architecture, API design, and observability.Familiarity with Azure / GCP, Kubernetes, containers, CI/CD (Jenkins, Azure DevOps, GCP Cloud Build).
  • Practical experience with TDD, BDD methodologies.
  • Solid understanding of LLM architectures and their domain-specific adaptations.
  • Experience with RAG, Prompt Engineering, and agent-based architectures.
  • Proficiency in ML/DL and NLP applied to real-world scenarios.
  • Strong communication and presentation skills in English.

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. 

Software Engineer (AI/ML)

Kraków

B2B

1500 - 1650 PLN/MD netto + VAT

SUPPORT & BENEFITS

Private healthcare

Fast access to doctors and medical tests. 

Mindbox fully covers the individual package. You can extend the coverage to your partner and family on preferential terms. A wide network of medical providers and clear rules for everyday use.

Multisport

Energy that pays off.

We cover 50% of the card cost. You get access to thousands of sports facilities across Poland, plus a convenient mobile app. Additional cards for family members are available.

Training & development

Practical support for your career growth.

We co‑fund courses, certifications and conferences under a clear Training Policy. You also get access to a library of recorded webinars and trainings – available whenever you need them.

Eyewear or contact lenses co‑funding

Clear vision means comfortable work.

Up to PLN 500 every two years, with an additional PLN 300 available in justified cases. Simple reimbursement, regardless of your form of cooperation.

Group life insurance

Real protection from day one.

Option I is fully funded by Mindbox, Option II is co‑funded. You can include your partner and adult children, with coverage that also applies to treatment and hospitalisation abroad.

Ongoing support from the Talent Network Development

You’re not on your own in a project.

Regular contact, quick response and a partnership‑based approach. You focus on your work — we help take care of the rest.

Regular integration meet‑ups

Relationships that work beyond the project.

Cyclical meet‑ups for contractors in major cities across Poland. A space to talk, exchange experience and stay in real contact with the Mindbox team.

Annual company‑wide integration

One event. The whole community.

A two‑day company gathering with accommodation, transport and a full activity programme. Time to connect teams from across Poland and build shared experiences.

New baby gift

Important moments matter to us.

When a child is born, we prepare a personalised gift. All it takes is a short message to the Talent Network Development team.

do you like
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the recruitment process

We take care of every stage of process

Submit your CV

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

Contact with
a Recruiter

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

Sending your CV
to the client

The supplier takes full responsibility for the applications, their performance and load, and monitors and fixes any problems and failures.

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Referral Program

Refer a friend & get up to 6,000 PLN

Do you know an IT specialist who could be a good fit for one of our projects? Share their contact details with us and we’ll take care of the rest.

You can receive up to 6,000 PLN for a successful referral.