C++ Strategy Developer

1 week ago

Sydney, New South Wales, Australia Susquehanna International Group, LLP Full time $104,000 - $130,878 per year

At Susquehanna, our technologists play a critical role in shaping the future of electronic trading. We build high-performance systems designed to compete in some of the most demanding and latency-sensitive markets in the world. Our developers partner directly with traders, quantitative researchers, and infrastructure teams to solve complex technical and strategic problems that drive business impact.

We're looking for a C++ Strategy Developer to join our Trading Technology team. In this role, you'll design, build, and optimize high-frequency trading strategies and systems that process massive data streams in real time. You'll work side-by-side with experienced traders and technologists, gaining deep exposure to the logic that powers automated decision-making in markets across the globe.

What You'll Do

  • Design and develop low-latency, high-throughput trading applications using modern C++ in a real-time environment.

  • Collaborate with traders and quants to implement and refine trading strategies.

  • Build and tune systems to achieve extreme performance, reliability, and scalability in a competitive trading landscape.

  • Optimize and troubleshoot infrastructure for latency, throughput, and system bottlenecks.

  • Own the full software development lifecycle—from idea to production—while contributing to our long-term architecture and tooling.

What we're looking for

  • A degree in Computer Science, Engineering, or a related technical field.
  • 5+ years of professional experience

developing performance-critical applications in modern C++ (C++11/14/17/20).
- Strong command of multi-threading, memory management, IPC, STL, Boost, and network/socket programming.
- Deep understanding of performance tuning, profiling, and optimization methodologies.
- Demonstrated success building systems for

automated trading

, market-making, or algorithmic execution strategies.
- Experience developing logic that manages orders and quotes in fast-moving electronic markets.
- Familiarity with option pricing models and risk concepts (Greeks) is a strong plus.
- A passion for solving hard problems, iterating quickly, and writing clean, maintainable code.

Why You'll Love It Here

  • Real Impact:

Your work will be at the core of SIG's trading operations, shaping decisions and performance in live markets.
- Collaboration:

You'll partner directly with traders, quants, and engineers, working on cross-functional teams where your input truly matters.
- Challenge & Growth:

We value people who thrive on solving hard problems and are constantly pushing to learn and improve.
- Culture of Excellence:

Our flat structure and informal environment encourage new ideas, fast feedback, and hands-on ownership.
- Benefits & Perks:

SIG offers a highly competitive compensation package, along with extensive benefits designed to support you and your life outside of work.

About Susquehanna

Susquehanna International Group (SIG) is a global quantitative trading firm founded on game theory and decision science. With offices around the world, we bring together brilliant minds across trading, technology, and quantitative research to compete in the world's most dynamic financial markets. We specialize in derivatives trading and are recognized leaders in market making, systematic strategies, and cutting-edge technology development.

Equal Opportunity Statement

We're committed to building a diverse and inclusive workplace. We encourage candidates from all backgrounds to apply and are happy to provide reasonable accommodations during the hiring process.

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