Full-time

Senior Kotlin/Java Backend Engineer (#4150)

Posted by N-iX • Poland, Poland, Poland

📍 Poland, Poland 🕒 February 25, 2026

About the Role

Work type: Office/Remote Technical Level: Senior Job Category: Software Development Project: OVO Energy

We are looking for a Senior Kotlin/Java Backend Engineer who thrives in complex data-driven environments, learns new frameworks quickly, and contributes to the continuous improvement of our architecture and delivery practices.


The Market-wide Half-Hourly Settlement (MHHS) Program is a key initiative shaping the future of the UK energy market. The system enables the measurement and processing of electricity consumption data every half hour — providing a more accurate view of real energy usage. This drives fairer tariffs, supports renewable integration, and fosters a more efficient, data-driven energy ecosystem.


As a Backend Engineer, you will play a central role in building and maintaining the core data processing flows of the MHHS system, ensuring scalability, reliability, and accuracy of large-scale data operations. Yo...

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