Senior Java Backend Engineer - Microservices & Kafka

EPAM Systems; United States; Remote; USD 120,000 - 160,000; Full time

Job summary

EPAM Systems is seeking a Senior Java Developer in the United States to build and evolve high-load backend services for a FinTech platform. You will focus on microservice development, event-driven architectures, and performance optimization, while promoting production-grade engineering practices.

Responsibilities include designing scalable services, implementing REST APIs, resolving bottlenecks, and mentoring junior engineers.

Qualifications

• 5+ years of commercial Java development experience.
• Proficiency 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, GitLab CI, Maven / Gradle.
• Strong troubleshooting and observability skills.
• English proficiency at B2 level or higher.
• Nice to have Banking / FinTech experience.

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.
• Handle distributed transactions and Saga-based patterns.
• Build 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.

Skills

Java development

Spring Boot

Multithreading

Kafka

PostgreSQL

Distributed systems

REST APIs

Observability

English communication

Banking / FinTech domain

Cloud/SRE awareness

Tools

Docker

OpenShift

GitLab CI

Maven/Gradle

Job description

EPAM Systems is seeking a Senior Java Developer in the United States to build and evolve high-load backend services for a FinTech platform. You will focus on microservice development, event-driven architectures, and performance optimization, while promoting production-grade engineering practices.

Responsibilities include designing scalable services, implementing REST APIs, resolving bottlenecks, and mentoring junior engineers.