Java Software Engineer
A leading trading firm in London is growing its engineering team and is looking for a high-performance Java Engineer to help build ultra-low-latency systems used directly on live trading desks.
What You’ll Be Doing
* Designing and building low-latency Java systems used in electronic trading
* Developing highly concurrent, multithreaded applications
* Optimising performance at the microsecond level
* Working closely with traders, quants, and infrastructure teams
* Improving throughput, stability, and execution speed
* Writing clean, well-tested production code
What We’re Looking For
* Strong commercial experience with Core Java
* Deep knowledge of multithreading, concurrency, and JVM internals
* Proven experience building low-latency / high-throughput systems
* Strong understanding of networking, memory management, and performance tuning
* Experience in trading, market data, risk, or execution systems preferred
Nice to Have
* Experience with FIX, market data feeds, or pricing engines
* Knowledge of Linux internals
* Background in finance, trading, or HFT environments
What’s On Offer
* £130k base
* Discretionary bonus
* 3 days a week in the office, 2 days a week WFH