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Backend Developer

Warszawa, mazowieckie💼 Full-time🗓 2026-05-27 → 2026-07-27

Core

Build scalable, asynchronous, cloud-native, and event-driven microservices for world-class entertainment experiences.

Role type

Senior IC backend developer (Java/Spring Boot)

Builds

Scalable microservices and event-driven systems for mobile and casino games

Domain

Gaming and entertainment technology

Deliverable

production ML models | product features

Required skills

Java, Spring Boot, microservices architecture, reactive programming, event-driven systems, NoSQL (MongoDB), SQL (PostgreSQL), Kubernetes, cloud environments, distributed system patterns, AI-assisted development tools (GitHub Copilot, Codex, Claude), deep code reviews

Preferred skills

Kafka, Redis, timely engineering practices

Technologies

Java, Spring Boot, MongoDB, PostgreSQL, Kafka, Redis, Kubernetes

Responsibilities

Architect and implement cloud-native, event-driven solutions; develop and refine AI-powered development workflows; conduct high-quality code reviews; troubleshoot complex technical challenges in distributed systems; collaborate with Front-End and QA teams to advance Agile practices.

Seniority

Mid-Senior, hands-on IC

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