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

SKILLS

Must have

• 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

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