C# Developer (Quantitative Trading System @ Sydney)
We're Hiring: C# Developer – Quantitative Trading Systems
Sydney | In office
My client is a leading global quantitative trading firm and market maker, combining advanced technology, quantitative research, and deep market expertise to trade listed products across global markets.
They are seeking a C# Developer to join their Trading technology team, developing trading platforms that support the desk's efficiency and profitability across Asian markets, from Japan to India.
This is not a generic software-development position.
The successful candidate will work directly with traders, quantitative researchers, and engineers to build high-performance distributed systems, implement quantitative trading models and signals, and develop technology supporting real-time market monitoring and trading decisions.
What You'll Do
Develop high-performance C# trading systems, including distributed server-side platforms and front-end applications
Build technology for processing and monitoring real-time market activity
Develop systems that support rapid trading decisions and intelligent order execution
Work closely with quantitative researchers to implement trading models and signals
Partner directly with traders to understand requirements and improve trading efficiency




Collaborate with other engineering teams to deliver integrated trading solutions
Support trading strategies across Asian, US, and European markets
Core Requirements
Degree in Computer Science or another relevant discipline, or equivalent experience building complex systems
At least 2 years of professional development experience using C# or a similar object-oriented language
Strong software-engineering and problem-solving skills
Experience developing complex, reliable production systems
Strong interest in working on financial and quantitative trading systems
Ability to collaborate closely with traders, quantitative researchers, and engineers
Good to Have
Experience developing distributed systems or web services
Knowledge of cloud technologies
Experience working within a Linux environment
Programming experience with Python or C++
Experience developing front-end applications using WPF or other user-interface technologies
Previous exposure to financial markets, electronic trading, or quantitative strategies
An understanding of listed products, derivatives, or market-making workflows
Incentives
Our client offers competitive compensation packages, comprehensive benefits including health benefits and bonus package working in a fast paced setting.
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📌 C# Developer (Quantitative Trading System @ Sydney)
🏢 BAH Partners
📍 Sydney