Java Developer with Kafka

Project Description:

• You will join the Client Connectivity pod within Cross-Asset Structured Products crew, working with
• engineers across a portfolio of trading-connectivity services and platforms. POD is spread across APAC,
• AMER and EMEA locations. You will collaborate closely with product, support and platform teams to deliver
• secure, resilient solutions for distributors, venues and internal users.

Responsibilities:

• As a Senior Backend Engineer, you will design, build and operate event-driven microservices that power
• structured-products negotiations and trading. The solution enables the routing, transformation, enrichment
• and exchange of communications between internal and external partners.
• We are looking for someone who can:
• design, build and test stateless Java services and shared libraries that consume, transform and
• produce Kafka messages
• ensure reliable and secure operation through robust stream error handling, schema compatibility,
• deterministic behavior and production-ready observability
• deliver services across multiple environments, contributing to GitLab CI/CD, Kubernetes
• deployments and operational support
• write high-quality unit and integration tests, review code and promote consistent engineering
• standards across a broad application estate
• integrate external trading platforms and venues with internal instrument, reference-data and product
• services, including FIX connectivity

Mandatory Skills Description:

• 6 years deep hands-on experience with modern Java, Spring Boot, dependency injection, configuration, Spring
• WebFlux, Project Reactor and Spring Security
• strong knowledge of Apache Kafka, Kafka Streams, Reactor Kafka, Spring Kafka, Confluent Schema
• Registry, Apache Avro and schema evolution
• a strong testing mindset using JUnit 5, Mockito, AssertJ, reactor-test, JSON comparison and Kafka test tooling, including deterministic and parameterized tests
• experience with Maven, GitLab CI/CD and Kubernetes-based delivery; familiarity with Node and npm is beneficial
• experience designing stateless microservices
• familiarity with Micrometer, Prometheus, Actuator, OpenTelemetry, Log4j2, Splunk integration and
• HashiCorp Vault (good to have)
• an understanding of structured products, RFQ and quote workflows, order routing, trade lifecycle
• events, pricing subscriptions and reporting is beneficial
• experience with AI solutions, MCP servers and AI agents is a plus
• Strong technical communication skills, a collaborative approach to code reviews, and the ability to thrive within regulated environment

Nice-to-Have Skills Description:

• practical experience with Spring Data JPA, JDBC, Oracle and SQLite