Our client is a globally recognised Tier 1 high-frequency trading firm, oeprating at the forefront of electronic markets across every major financial hub worldwide. Combining cutting-edge engineering with elite quantitative research, they have built a reputation as one of the most respected names in systematic trading Drive performance across advanced trading systems by analysing networks, experimenting with optimisations, and uncovering competitive speed advantages.

What You'll Do:

Join a high-performance engineering setting where speed, precision, and innovation define success. In this role, you will analyse and optimise complex system interactions with exchange infrastructure, uncover hidden inefficiencies, and design experiments that unlock new performance gains. Working across the full trading stack, you’ll transform deep technical insights into measurable competitive advantage.

Your Responsibilities Will Include:

- Performing black-box analysis to understand complex system behaviour and identify performance bottlenecks.
- Designing and executing statistical experiments to explain real-world system phenomena.
- Building rapid prototypes to test new optimisation ideas and emerging technologies.
- Analysing large-scale network datasets to discover patterns and validate hypotheses.
- Collaborating closely with traders, software engineers, hardware specialists, and infrastructure teams.




- Driving system-level improvements across operating systems, networking layers, and application performance.

Why Join Us: You’ll work in an environment where innovation and technical curiosity are encouraged. With access to cutting-edge infrastructure and highly skilled colleagues, you’ll tackle some of the most demanding performance challenges in modern computing and financial technology.

About You:

- Strong understanding of computer architecture, Linux systems, and networking.
- Experience with Python, C++, or Java in performance-sensitive environments.
- Familiarity with low-latency hardware technologies such as Intel CPUs, FPGA, or microwave links is beneficial.
- Knowledge of system optimisation, kernel tuning, and networking stacks.
- Comfortable analysing large datasets to derive meaningful insights.
- Self-driven, analytical, and eager to find new ways to gain a competitive edge.

Ready to push systems beyond their limits and uncover performance gains others can’t see? Join a team where curiosity, speed, and ingenuity shape the future of high-performance technology. #PerformanceEngineering #LowLatency #SystemsEngineering #LinuxSystems #NetworkEngineering #Python #CPlusPlus #FPGA #SystemOptimisation #DataAnalysis #KernelTuning #TradingTechnology #InfrastructureEngineering #HighPerformanceComputing #NetworkPerformance

📌 Performance Engineer (Sydney)
🏢 Westbury Partners
📍 Sydney