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# Java Swing Developer

- **Company:** Caspian One Ltd
- **Location:** Greater London, UK
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Algorithmic Trading, Software Design Patterns, Swing (Java), Transmission Control Protocol (TCP), Multithreading, Real Time Systems, Backend, Low Latency, Microservices
- **Published:** August 26, 2026
- **Apply:** https://www.collegerecruiter.com/job/2815186245-java-swing-developer

## About the Role

* Strong Core Java skills and solid understanding of design patterns.
 * Ability to work with multithreaded architectures and optimise performance.
 * Java Swing experience
 * Familiarity with microservices concepts and willingness to transition into modern architecture.

Nice to Have

 * Knowledge of FX, fixed income, and derivatives products.
 * Experience with OMS, algo trading, and FIX protocols.

## Description

We're looking for a Java Swing Developer to join a team working on a high-performance desktop trading platform. Working on a mission-critical system that supports FX Cash, deposits, futures, swaps, and more. The platform is rich in functionality, handles heavy loads with low latency, and underpins key trading and sales workflows.

You'll help maintain and evolve the current Java Swing UI, while preparing for a future transition to a modern microservices-based architecture. This role offers exposure to complex, real-time systems and the chance to influence the next generation of our technology stack.

What You'll Do

 * Enhance and maintain a Java Swing-based UI for trading and risk management.
 * Work on a multithreaded, high-memory architecture communicating with backend via bespoke TCP.
 * Collaborate on plans to decouple UI and introduce microservices.

What We're Looking For

 * Strong Core Java skills and solid understanding of design patterns.
 * Ability to work with multithreaded architectures and optimise performance.
 * Java Swing experience
 * Familiarity with microservices concepts and willingness to transition into modern architecture.

Nice to Have

 * Knowledge of FX, fixed income, and derivatives products.
 * Experience with OMS, algo trading, and FIX protocols.


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