We are seeking a Java Developer with strong Front Office Foreign Exchange (FX) technology experience to join a major strategic modernisation programme. The programme is focused on migrating a large-scale, business-critical FX trading platform from a legacy C++ architecture to a modern Java-based platform.
The successful candidate will work closely with traders, quants, business analysts, architects, and other engineering teams to redesign, re-engineer, and deliver high-performance, low-latency trading applications that support the FX business across pricing, execution, risk, and trade capture.
This is a hands‑on role requiring both deep technical capability and strong Front Office domain knowledge. The individual must be comfortable operating in a fast‑paced trading environment and able to bridge legacy systems and modern engineering practices.
Key Responsibilities
Core Delivery Responsibilities
- Participate in the design and implementation of the strategic migration from C++ to Java.
- Analyse existing C++ trading and pricing applications and help define the target Java architecture.
- Re‑engineer legacy components into scalable, maintainable, and testable Java services.
- Develop high-performance Front Office FX applications with a focus on low latency, throughput, resiliency, and stability.
- Work across the full software development lifecycle including requirements gathering, design, coding, testing, deployment, and production support.
- Deliver new Java components while ensuring compatibility and integration with existing C++ systems during the transition period.
- Contribute to the phased decommissioning of legacy platforms.
Required Skills and Experience
Technical Skills
- Proven experience with modern Java versions (Java 11/17+).
- Strong understanding of concurrent programming, multithreading, collections, and memory management.
- Experience building low‑latency and high‑throughput systems.
- Experience with the following technologies:
- Spring Boot / Spring Framework
- Messaging technologies such as Kafka, Solace, Tibco, JMS, or MQ
- RESTful APIs and service‑oriented architectures
- Microservices and event‑driven architectures
- Maven or Gradle
- Git and modern CI/CD pipelines
- SQL and relational databases
- In‑memory caching technologies
- Strong debugging, profiling, and performance optimisation skills.
- Experience with automated testing frameworks including JUnit and integration testing.
- Familiarity with containerisation and cloud technologies is desirable.
- Experience within a large‑scale strategic transformation or modernisation programme.
- Experience working with Azure
- Experience in a global bank or major financial institution.
- Familiarity with pricing engines and quantitative libraries.
- Experience with distributed caching and high‑performance messaging.
- Knowledge of Kubernetes, Docker, and cloud‑native deployment models.
- Familiarity with DevOps and SRE practices.
- Exposure to Agile delivery methodologies including Scrum or Kanban.
- Experience mentoring junior developers and leading technical workstreams.
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