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Junior Data Engineer

Mindbox Sp. z o.o.
Poland September 23, 2026
Functional programmingHaskellClojureScalaPythonRMATLABData modeling
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Functional programmingHaskellClojureScalaPythonRMATLABData modelingDataCloudengineeringdevelopment

About the role

• 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 Nice to Have • 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.   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?   What you get in return • 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  Functional programming, Haskell, Clojure, Scala, Python, R, MATLAB, Data modeling, Linux, Cloud, AI, Requirements gathering, Testing Communication skills, Cloud platform
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