Senior Software Engineer (Java)

EPAM·Hong Kong·Офис·вчера

We are seeking a Senior Java Backend Engineer (Kafka, Microservices) to design, build and run event-driven services that support structured-products negotiation and trading connectivity. You will develop stateless Java microservices, harden streaming reliability and observability and deliver through GitLab CI/CD and Kubernetes. You will collaborate globally across product, platform and support teams.

Responsibilities

Design, build and test stateless Java microservices and shared libraries for Kafka-based messaging
Implement routing, transformation and enrichment of messages between internal systems and external partners
Strengthen reliability through robust error handling, schema compatibility and deterministic processing
Build production-ready observability using metrics, logs and tracing to support fast incident triage
Deliver services across environments via GitLab CI/CD and Kubernetes, supporting releases and operations
Write high-quality unit and integration tests, participate in code reviews and raise engineering standards
Integrate external trading platforms and venues with internal reference data, product and instrument services
Support FIX connectivity where required for venue and platform integration

Requirements

Deep hands-on experience with Java and Spring Boot including dependency injection, configuration and Spring Security
Strong knowledge of Apache Kafka including Kafka Streams and Kafka tooling such as Confluent Schema Registry and Apache Avro
Experience with reactive programming using Spring WebFlux and Project Reactor
Strong testing mindset using JUnit five, Mockito and integration testing patterns for event-driven services
Experience delivering to Kubernetes with GitLab continuous integration and continuous delivery pipelines
Experience designing stateless microservices with clear API and event contracts
Clear communication and confidence working in regulated environments and cross-region teams

Nice to have

Observability a nd security tooling experience with Micrometer, Prometheus, OpenTelemetry, Splunk or HashiCorp Vault
Domain knowledge of structured products, request for quote (RFQ), order routing and trade lifecycle events
Database experience with Spring Data JPA, Java Database Connectivity (JDBC), Oracle or SQLite