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Full Stack Developer

Salary:
1450 - 1650 pln/md netto + VAT
Type of employment:
B2B
Date:
2026.04.08
Location:
Kraków

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

We are looking for an experienced Full Stack Developer (Java + Python) to join the AI Markets team within Global Markets Technology. AI Markets is an award-winning digital service that uses Natural Language Processing (NLP) and AI to transform how institutional investors interact with global markets.

You will work on high-performance, real-time applications that deliver critical insights and data to clients, using cutting-edge technologies and modern development practices. This role involves end-to-end development, including analysis, design, coding, testing, and production support, in a highly collaborative and agile environment.

Sounds like your kind of challenge? 


What you'll be doing

  • Work within a small, agile team (4–6 people) alongside a dedicated product owner
  • Take business requirements, break them into stories, and deliver iteratively to production
  • Design and implement Java and Python-based solutions following best practices (SOLID, Clean Code, DDD, BDD)
  • Build and maintain microservices and APIs
  • Collaborate on UI changes and improvements (experience with JavaScript/Vue is a plus)
  • Participate in DevOps activities, CI/CD automation, and continuous delivery
  • Identify and manage technical debt while delivering new functionality
  • Provide production support – “the team builds it, the team supports it”
  • Pair with other engineers to share knowledge and ensure high-quality code

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 days onsite per week
  • 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

  • 5+ years of development experience in enterprise environments
  • Strong experience in Java and Python
  • Deep understanding of software development principles (SOLID, Clean Code, DDD, BDD)
  • Hands-on experience with Spring Framework
  • Experience with SQL and NoSQL databases (PostgreSQL, MongoDB)
  • Familiarity with microservices architecture and event streaming technologies
  • Knowledge of DevOps practices and CI/CD pipelines
  • Effective communication skills in English (B2+)
  • Ability to collaborate and mentor team members

Nice to Have

  • Experience with JavaScript/Vue for front-end development
  • Knowledge of AI, NLP, Machine Learning, Data Science
  • Familiarity with LangChain, LangGraph, and Clean Architecture
  • Prompt engineering experience

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