Java Software Engineer - Systematic Trading
London | £120,000-£160,000 + bonus
Java, Trading Execution, Python
The Role
This is a hands‑on Java engineering role sitting close to the trading desk, focused on the evolution of a proprietary execution platform used in live markets. The work is visible, commercially relevant, and directly tied to trading performance. You will own key components of the execution stack and play a central role in improving how orders interact with the market.
What You Will Be Doing
- Owning and developing core parts of an in‑house trading and execution platform, with a focus on performance and reliability
- Partnering with trading and research teams to improve execution quality and refine algorithmic behaviour
- Integrating and onboarding new brokers, as well as enhancing existing connectivity and workflows
- Building and maintaining tools that analyse execution performance and trading costs
- Contributing to broader platform design, including scalability and system architecture decisions
- Supporting production systems, including involvement in a rota once up to speed
What You Bring
- Strong Java engineering background, with solid experience building high‑performance systems
- Exposure to electronic trading environments, ideally with a focus on execution
- Understanding of any cash markets trading business or similar liquid asset classes
- Experience working in a bank, trading firm, or buy‑side environment
- Comfortable working closely with traders, researchers, and operational teams
- STEM degree and a track record of delivering robust, production‑quality code
Benefits
£120,000‑£160,000 base salary with a strong discretionary bonus. Flexible working in London and close collaboration with trading and execution teams. Real ownership, direct impact on trading outcomes, and exposure to a mature, high‑performing platform.
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