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Senior Java Software Engineer

Warszawa, Województwo mazowieckie, pl💼 Full-time🗓 2026-07-29 → 2026-09-26

Core

Design, build, and operate scalable, high-performance Java services for sports data and betting products running 24/7.

Role type

Senior IC Java Software Engineer (Distributed Systems)

Builds

Cloud-native distributed systems processing millions of real-time events daily for media companies, sports federations, and betting operators

Domain

Sports data and betting technology on AWS

Deliverable

production ML models | product features

Required skills

Java, distributed systems design, AWS, Kafka, Kubernetes, microservices, CI/CD, testing strategy, code review, mentoring

Preferred skills

Experience with real-time data environments at global scale

Technologies

Java, AWS, Kafka, Kubernetes, microservices

Responsibilities

Design and deliver complex technical initiatives from architecture to production; contribute to cloud-native architecture decisions; mentor engineers through code review and pairing; drive improvements to code quality and engineering practices; collaborate with leadership on technical direction

Seniority

Senior, hands-on IC with mentorship responsibilities

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