Senior Java Engineer

Senior Java Engineer

We are looking for an experienced Java Engineer to join our backend team, which is working on the back-office platform of a high-load B2B gaming system.

Our platform processes millions of transactions daily and supports real-time operations for multiple partners. As the system continues to grow, we are expanding the engineering team to improve scalability, performance, and reliability, while gradually evolving parts of the platform from a monolithic architecture toward distributed services.

You will work on both new functionality and architectural improvements, helping modernise critical parts of the platform.

Technology Stack

Java 8 / Java 17

Spring Framework

MSSQL 2019

Kafka

Redis

Distributed services with parts of the system still evolving from a monolithic architecture

What You’ll Do

• Develop new backend functionality for the platform;
• Improve system performance, scalability, and reliability;
• Participate in refactoring and modernisation of legacy components;
• Contribute to architectural discussions and technical design;
• Investigate and resolve production issues;
• Assess technical feasibility and complexity of business requirements;
• Collaborate closely with backend engineers, technical leads, and product teams.

What We’re Looking For

• 5+ years of Java development experience;
• Strong understanding of backend architecture and distributed systems;
• Experience working with relational databases and SQL;
• Familiarity with message-driven systems (Kafka or similar);
• Experience in improving or refactoring existing production systems;
• Strong problem-solving and debugging skills;
• Comfortable working in collaborative environments with code reviews and shared ownership of the codebase;
• English level: Intermediate or higher.