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# Senior Java Trading Systems Developer

- **Company:** Provntalent
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Algorithmic Trading, Financial Information EXchange, Python (Programming Language), Routing, Reliability of Systems, Low Latency
- **Published:** September 9, 2026
- **Apply:** https://www.collegerecruiter.com/job/2856357865-senior-java-trading-systems-developer

## About the Role

* Strong commercial Java development experience
 * Experience developing systems within electronic trading or capital markets
 * Good understanding of order management and the trade lifecycle
 * Background in areas such as equities, foreign exchange, market making, derivatives or digital markets
 * Experience with order routing, execution workflows or trading algorithms
 * Understanding of market structure and electronic execution
 * Experience working closely with front-office and quantitative teams
 * Ability to contribute to system design, architecture and implementation

Desirable

 * Experience across more than one asset class
 * Exposure to high-performance or low-latency systems
 * FIX protocol or exchange connectivity experience
 * Knowledge of Python, KDB or similar technologies
 * Experience developing or modernising a trading platform
 * Experience working in a growing, changing or build-focused environment

## Description

A well-established financial markets firm is seeking a Senior Java Trading Systems Developer to support the continued development of its electronic trading technology.This is a hands-on engineering position focused on building and improving systems used to manage orders and trading activity across multiple markets and venues. The successful candidate will work closely with front-office users, quantitative specialists and technology teams to deliver reliable, scalable and high-performance solutions.The role would suit an experienced developer from an electronic trading, capital markets or market-making environment who is interested in joining a growing and technically ambitious business., * Design, build and maintain trading systems using Java

 * Develop functionality supporting order management, routing and execution
 * Work across the full trade lifecycle, from order entry and validation through to execution and downstream processing
 * Build scalable, resilient and performance-focused infrastructure
 * Collaborate with trading, quantitative and engineering teams to deliver new capabilities
 * Contribute to the ongoing development and modernisation of the trading platform
 * Support connectivity and workflow requirements across multiple markets and counterparties
 * Improve system reliability, performance and operational resilience
 * Participate in technical design and architectural decision-making while remaining hands-on


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