Junior Data Engineer

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

You will join the AI Markets development team, responsible for providing reporting, analytics, and management information from multiple data sources to a diverse set of users, including senior management, quants, traders, and external clients.

A key component of this solution is kdb+, one of the most advanced time-series databases where speed and performance at scale are critical. You will work with large datasets and real-time systems, focusing on data engineering, performance optimization, and API integration.

Sounds like your kind of challenge?

• Flexible cooperation model
• Hybrid work setup – remote days available depending on the client’s arrangements - 2 days a 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

• A strong analytical mindset and a passion for solving complex data engineering challenges
• Solid computer science fundamentals or experience with functional programming languages (Haskell, Clojure, Scala) OR vectorization skills in Python, R, Matlab, or Wolfram
• Interest in large datasets, data modeling, and statistical concepts
• Familiarity or willingness to learn Linux, Cloud infrastructure, and AI/ML integration
• Ability to own tasks from requirements gathering to implementation and testing with cooperative engagement
• Excellent problem-solving skills, proactive attitude, and strong communication skills

• Experience in financial services or trading environments
• Knowledge of cloud platforms and distributed systems
• Exposure to kdb+/q or interest in building expertise

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.