Full Stack Software Engineer

Role Overview: Options market making presents a unique challenge in combining massive scale with complex financial workflows. Every day, Citadel Securities processes billions of market events across more than a million listed options while delivering pricing, execution, and risk management with extremely low latency. The Options Trading Workflow Team builds the applications and services that power how traders price, manage, and execute options trading strategies. We develop the next generation of high-touch trading and pricing tools that sit at the intersection of sophisticated backend systems and intuitive user experiences, enabling traders to make faster, smarter decisions in real time. As a Full Stack Software Engineer, you'll build the next generation of applications used by Options traders to price markets, execute trades, monitor and manage trading engines, visualize risk, and launch new products. You'll own end-to-end development across modern web frontends, distributed backend services, and real-time data pipelines while partnering directly with traders, quantitative researchers, and business leaders to design workflows that have immediate impact on global trading. You'll help shape the evolution of Citadel Securities' global Options platform by building software that supports new markets, exchanges, and trading capabilities while solving some of the most challenging engineering problems in electronic trading. If you're excited by solving challenging distributed systems problems while creating high-performance user experiences that directly impact trading, this is an opportunity to shape the future of one of the world's leading market makers. Location: Hong Kong, Sydney Responsibilities: - Help define and build the next generation of high-touch pricing and trading workflow applications for Options traders. - Partner directly with traders, quantitative researchers, and business leaders to design workflow