Software Engineer – Core Java - High-performance tech meets high-speed trading 🚀

Are you a Java whiz who loves the thrill of solving complex problems and seeing your code make a real-world impact — in milliseconds? My client, a challenger Proprietary Trading firm, is looking for a Software Engineer to join their electronic trading team where technology isn’t just part of the business — it is the business.

In this role, you’ll help power an ultra-efficient global trading platform — the kind that makes lightning-rapid decisions, crunches huge data sets, and thrives in one of the most competitive tech environments around.

What You’ll Be Doing
Building and refining the core trading systems that keep the platform running at warp speed
Delivering focused improvements that boost performance, stability, and profitability
Diving into mission-critical projects across trading, pricing, risk, and analytics
Working side-by-side with traders to translate ideas into real-time code magic
Tuning performance to squeeze every last microsecond out of our systems

What You’ll Bring
Core Java mastery (and bonus points for C++ or C#)
Scripting chops — ideally in Python




Previous Experience in high-frequency or low-latency trading environments!
Confidence working across Windows and Linux
Solid grasp of network protocols and system architecture
Transparent communicator who thrives in quick-paced, collaborative environments
A strong academic foundation in Computer Science
And, of course — a genuine curiosity about financial markets
Existing visa eligibility to live and work in Australia (essential)

Why You’ll Love It Here - a close-knit team of ambitious engineers, quants, and traders who love to push boundaries, question assumptions, and build things that matter . The environment is open, meritocratic, and refreshingly low on ego.
Expect a culture that rewards creative problem-solving, celebrates curiosity, and encourages you to challenge ideas — even your own.

Collaboration is key, and latency is everything! As such, this role requires mandatory 5 days in the office per week (CBD location)

If you love fast code, smart people, and solving puzzles with real stakes , this is your kind of playground.

📌 Software Engineer €“ Core Java Sydney
🏢 The Argyle Network
📍 Sydney