Senior Java Developer (iGaming)

Location: Warsaw, Poland; hybrid with 3 days per week in the office

Company

hirify.global Software is an engineering and outsourcing company delivering secure, high-performance digital platforms for international customers, including iGaming businesses.

What you will do

• Design, develop, and maintain backend services using Java and Spring Boot.
• Develop and support a large-scale platform based on microservices architecture.
• Ensure high availability, scalability, performance, security, and maintainability of distributed systems.
• Implement integrations with internal and external systems and deliver services end-to-end.
• Participate in architectural discussions and contribute to the evolution of the platform.
• Monitor, troubleshoot, and optimize production services while improving testing, deployment, and code quality practices.

Requirements

• 5+ years of commercial experience with Java and Spring Boot.
• Expert knowledge of Java and Spring Boot; strong experience with MySQL and Kafka.
• Proven experience with microservices architecture in high-traffic, high-load systems.
• Experience developing high-performance backend solutions for transaction-heavy platforms.
• Experience with Kotlin, ownership mindset, and ability to deliver services end-to-end.
• Excellent written and spoken English at C1 level.

Culture & Benefits

• Hybrid work with 3 days per week in the Warsaw office.
• Work on a large-scale platform serving millions of users.
• Collaboration in a multicultural engineering team distributed across multiple countries.
• Opportunity to contribute to architectural decisions and engineering standards.
• Focus on innovation, ownership, reliability, scalability, and secure high-performance solutions.