Join one of the industry's most sophisticated High Frequency Trading firms as they continue to expand their Sydney office, a world-class APAC technology hub at the forefront of electronic trading.
This is an opportunity to work on systems where performance is paramount, innovation is constant, and every microsecond matters.
You'll be part of a highly talented engineering team building the technology that powers real-time trading across global markets.
From market connectivity to execution systems and high-volume data processing, your work will directly impact trading performance and business outcomes.
What You'll Be Doing
As a key contributor to the engineering team, you'll design and develop high-performance C++ systems that sit at the heart of the firm's trading infrastructure.
Working in a fast-paced, collaborative workplace, you'll have the autonomy to solve complex technical challenges and drive meaningful improvements.
Key responsibilities
Building and optimising latency-critical trading and market connectivity applications
Developing scalable tools and automation that enhance trading workflows
Partnering closely with traders, quant researchers, and engineers to deliver impactful solutions
Translating business requirements into robust, production-ready systems
Driving system performance, reliability, and scalability across the trading stack




Investigating and resolving complex production and performance issues
Contributing to the design and delivery of next-generation trading technology
Why This Opportunity?
Build technology that operates at market speed and handles enormous volumes of real-time data
Work on mission-critical systems that directly influence trading outcomes
Shape and deliver greenfield projects with significant technical ownership
Collaborate with some of the brightest minds in trading and technology
Join a culture that empowers engineers, values innovation, and rewards impact
Gain exposure to cutting-edge infrastructure, low-latency systems, and global markets
About You
You're a passionate engineer who thrives on solving complex problems and pushing systems to their limits.
You bring deep C++ expertise, strong systems thinking, and a desire to build software where performance truly matters.
Whether you've worked in trading, finance, or another performance-sensitive environment, you'll be excited by the challenge of engineering technology at the cutting edge of speed and scale.
If you're looking for an environment where ownership is real, technical excellence is expected, and your work directly drives competitive advantage, we'd love to hear from you.
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📌 Senior C++ Software Engineer (New South Wales)
🏢 Westbury Partners
📍 New South Wales