Senior Software Engineer (Java)

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 Web.

Flux 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, Open.

Telemetry, Splunk or Hashi. Corp 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