C# Developer (Quantitative Trading System @ Sydney)

BAH Partners Limited; Sydney; On-site; AUD 120,000 - 170,000; Full time

Benefits offered by this job

Health benefits

Bonus package

Job summary

BAH Partners Limited in Sydney is seeking a C# Developer to join the Trading technology team, building high-performance distributed systems and real-time market monitoring tools for Asian markets, from Japan to India.

You will work directly with traders, quantitative researchers and engineers to implement trading models and signals and develop technology that supports rapid, informed trading decisions.

Qualifications

• Degree in Computer Science or equivalent.
• Minimum 2 years of professional C# development.
• Experience building complex production systems.
• Interest in financial and quantitative trading systems.
• Ability to collaborate with traders, researchers and engineers.

Responsibilities

• Develop high-performance C# trading systems, including distributed server-side platforms and front-end apps.
• 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 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.

Skills

C# programming

Distributed systems

Team collaboration

Education

Degree in Computer Science

Tools

WPF

Cloud technologies

Linux

Python

C++

Job description

C# Developer (Quantitative Trading System @ Sydney)

We’re Hiring: C# Developer – Quantitative Trading Systems

Sydney | On-site

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 environment.