Remote Java Backend Engineer for Scalable Game Services

RubyPlay; Warszawa; On-site; PLN 150,000 - 230,000; Full time

Benefits offered by this job

Remote-first culture

Learning budgets

Health & wellness budget

Yearly bonus

Career growth opportunities

Job summary

RubyPlay is expanding its Game Services team and is seeking a Java Services Engineer to help scale backend game services, APIs, and data pipelines. You will collaborate with game designers, product teams, and client developers to deliver industry-leading experiences to players worldwide.

The role emphasizes scalable architectures, high-throughput services, and close collaboration across international studios.

Qualifications

• 2+ years of professional Java development experience (Java 17/21+).
• Experience building scalable, high-throughput backend services.
• Strong collaboration and English communication for international teams.

Responsibilities

• Architect scalable game services and APIs using Modern Java (Java 17/21+) to handle high-concurrency transactions and game states.
• Translate specifications with domain experts and mathematicians into backend services.
• Standardize core calculation logic into reusable backend components.
• Collaborate in code reviews and share best practices.
• Focus on unit tests and performance optimization of backend services.

Skills

Modern Java

Distributed systems

High-throughput services

Tools

MySQL

NoSQL

GitHub Copilot

Job description

RubyPlay is expanding its Game Services team and is seeking a Java Services Engineer to help scale backend game services, APIs, and data pipelines. You will collaborate with game designers, product teams, and client developers to deliver industry-leading experiences to players worldwide.

The role emphasizes scalable architectures, high-throughput services, and close collaboration across international studios.