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**Job Title:** Senior Low Latency Rust Engineer **Job Summary:** - **Location:** London, UK - **Employment Type:** Permanent - **Salary:** Highly competitive and negotiable - **Working Pattern:** Hybrid (maximum 3 days per week in office) **Responsibilities:** - Low-latency engineering, with a major focus on **Rust** alongside modern Java. - 90% hands-on coding role working on frameworks, libraries, and performance tooling used across 100+ technology teams. - Collaborate with multiple trading platforms, solving complex performance problems and defining how latency-sensitive systems should be engineered. - Market-data replay, backtesting, and simulation tooling. **Requirements:** - Experience in a genuinely latency-sensitive environment, preferably in algorithmic trading, electronic trading, market data, or another related field. - Relevant technical skills including Rust, modern Java, or C++; low-latency/high-throughput systems; algorithmic/electronic trading; market-data technologies; Linux internals and kernel behaviour; TCP/IP networking; kernel-bypass technologies; and performance tuning/optimisation. **Compensation:** - Highly competitive salary (not specified) - Hybrid working model (maximum 3 days per week in office) - Opportunity to work on complex performance engineering problems and collaborate with multiple trading platforms
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Full Job Description
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Job Details
Senior Low Latency Rust Engineer
- Highly competitive and negotiable
- London, UK
- Permanent
Senior Low Latency Rust Engineer Electronic Trading
London | Hybrid max 3 days per week in office
We are assisting with the hire of an experienced low-latency engineer to join a specialist team building frameworks, libraries and performance tooling used across a large global electronic trading environment.
This is not a traditional BAU development role attached to one desk or application. The team works across multiple trading platforms, solving complex performance problems and helping define how latency-sensitive systems should be engineered.
Approximately 90% of the role is hands-on coding, with a major focus on Rust alongside modern Java.
What youll work on
- Low-latency Rust and Java frameworks
- Event-sourced systems operating in the 10100 microsecond range
- Market-data replay, backtesting and simulation tooling
- High-performance market-data processing
- Linux, kernel and systems-level performance optimisation
- TCP/IP networking and kernel-bypass technologies
- Performance profiling, benchmarking and latency reduction
- Frameworks and tooling used across 100+ technology teams
What were looking for
Youll ideally come from a background in algorithmic trading, electronic trading, market data or another genuinely latency-sensitive environment. Financial Services background is not crucial.
Relevant experience could include:
- Rust, modern Java or C++
- Low-latency / high-throughput systems
- Algorithmic or electronic trading
- Market-data technologies
- Linux internals and kernel behaviour
- TCP/IP networking
- Solarflare / OpenOnload or similar kernel-bypass technologies
- KDB or other time-series databases
- Performance tuning and optimisation
You do not need to match every technology listed. The key requirement is genuine depth in high-performance systems engineering and an ability to understand latency across the full stack.
Why consider it?
The standout here is the combination of:
Rust + microsecond-level performance engineering + large-scale production electronic trading.
Youll remain deeply hands-on while working on engineering problems that sit underneath multiple trading platforms, rather than maintaining a single application.
Compensation: Highly competitive
Location: London
Working model: Hybrid, maximum 3 days per week in office
If you have a strong low-latency engineering background and would like to hear more, get in touch.
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