Senior Java Developer

EPAM·Uzbekistan·Удалённо·сегодня

We are looking for a Senior Java Developer to build and evolve high-load backend services for a banking / FinTech platform. The role is focused on microservice development, distributed systems, event-driven architecture, performance optimization, and production-grade engineering practices. The engineer will work with Java 17+, Spring Boot 3+, PostgreSQL, Kafka, Infinispan, Docker, OpenShift, GitLab CI, and observability tooling.

Responsibilities

Develop high-load backend services using Java and Spring Boot
Design and evolve microservice and event-driven architectures
Identify and resolve architectural and performance bottlenecks
Implement REST APIs and integrations with internal and external systems
Work with distributed transactions and Saga-based patterns
Design reliable interactions through Kafka
Perform code reviews and promote engineering best practices
Develop unit, integration, and performance tests
Troubleshoot production issues using logs, APM, metrics, and dashboards
Mentor less experienced engineers

Requirements

5+ years of commercial Java development experience
Expertise in Java 17+ and Spring Boot 3+
Strong understanding of multithreading, concurrency, collections, generics, Streams, and exception handling
Experience with Spring Core, Data, Security, Hibernate / JPA
Strong PostgreSQL experience; understanding of high-availability setups such as Patroni
Hands-on Kafka experience and understanding of event-driven architectures
Experience with distributed systems, scalability, Saga patterns, and REST APIs
Familiarity with Docker, OpenShift, and GitLab CI, Maven / Gradle
Strong troubleshooting and observability skills
English B2 and higher