Senior Backend Developer – Distributed Systems & Microservices 5312

We are looking for a Senior Backend Developer with strong architectural capabilities and extensive experience in designing and developing complex distributed systems. In this role, you will lead the planning and development of Java-based backend systems, with deep understanding of transaction lifecycle management in distributed environments. The position includes designing Microservices, system integrations, and understanding system topology at the infrastructure and server-communication level.

Key Responsibilities:

• Quickly understand existing systems and adapt them for new development
• Break down and refactor monolithic systems into Microservices
• Design, develop, and improve complex backend architectures
• Set up and maintain On-Premise backend development infrastructure
• Develop critical Java (Spring Boot) services
• Create, write, and maintain Unit Tests and Integration Tests
• (JUnit, TestContainers, H2, Mocking Frameworks)
• Work with RabbitMQ and Event-Driven Architecture for inter-service communication
• Optimize system performance
• Develop, design, and maintain RESTful APIs using Spring Boot
• Apply API Best Practices for Authentication & Authorization
• Apply API Best Practices for Versioning & Documentation
• Work with Postman and Swagger for API documentation and testing
• Troubleshoot complex issues, perform code reviews, and provide technical guidance
• Work within Scrum teams
• Write clean, high-quality code

Requirements:

• 4-5 years of experience in Backend development with Java
• 4-5 years of experience developing RESTful APIs using Spring Boot
• Proven experience using AI tools within development workflows
• Experience with API documentation (Swagger)
• Hands-on experience developing Microservices with Spring Boot
• Experience setting up On-Premise Java-based infrastructures
• Deep understanding of cross-service and cross-system transaction lifecycles
• Strong command of RabbitMQ / Kafka and Event-Driven architectures
• Experience working with SQL Server, including Stored Procedures and optimization
• Understanding of distributed system topology – server communication, latency, bottlenecks
• Familiarity with CI/CD pipelines
• Experience designing and writing APIs (REST) and integrating with various systems
• Ability to work independently and under pressure