C# Trading Systems Developer - GDS

SIG Susquehanna; Sydney; On-site; AUD 150,000 - 210,000; Full time

Benefits offered by this job

Competitive remuneration

Bonus

Private healthcare

Gym allowance

Marriage leave

2 bonus days

Kitchens with meals

Poker tournament

Matched donations

Corporate discounts

Job summary

Susquehanna's GDS development team builds trading technologies to support Asia-Pacific and global markets. You will work on high-performance C# distributed, server-based, and front-end trading systems, collaborating with traders and quantitative researchers to implement models and signals.

The role also involves delivering integrated technical solutions across teams to enhance trading efficiency. The company offers strong remuneration, private healthcare, gym allowances, and extensive wellness

Qualifications

• 5+ years of professional C# or similar development experience.
• Understanding of basic financial instruments or formal financial education beneficial.
• Experience with financial trading systems or live data/order systems.
• Experience with web services, distributed systems, or cloud technologies beneficial.
• Experience or interest in Linux, Python or C++ beneficial.
• Experience or interest in WPF or other UI technologies beneficial.

Responsibilities

• Develop high performance C# distributed, server-based and front-end trading systems.
• Collaborate with quantitative researchers on implementing trading models and signals.
• Work across other technology teams to deliver integrated technical trading solutions.

Skills

C# development

Distributed systems

Linux

Python

C++

WPF

Education

Bachelor's degree in Computer Science

Tools

WPF

RESTful services

Git

Job description

Overview

The GDS (Global Delta Specials) development team is responsible for developing and maintaining trading technologies that help improve the GDS desk trading efficiency and profitability. The technologies are an essential part of the desk trading that cover exchanges in Asia from Japan to India. The technologies focus on efficiently processing and monitoring market activities, quickly making trading decisions and smartly execute trading decisions. Developers in our team have the opportunity to work with all Asian as well as US and European markets on various trading models and strategies and gain exclusive knowledge on quant analysis processes and trading ideas.

What you’ll do

• Work closely with traders and other engineers on developing high performance C# distributed, server-based and front-end trading systems.
• Work closely with quantitative researchers on implementing trading models and signals.
• Work closely across other technology teams to developed integrated technical solutions for trading.

What we're looking for

• Tertiary education in Computer Science, a related field or experience in building complex computer systems.
• 5+ years of professional C# or similar development experience.
• An understanding of basic financial instruments and financial concepts, or any formal financial education would be beneficial.
• Experience in Financial Trading Systems, or other areas involving live financial data and order systems.
• Any experience with web services, distributed systems, or cloud technologies would be beneficial.
• Any experience or interest in working with Linux, Python or C++ beneficial.
• Any experience or interest in working with WPF or other user interface technologies beneficial.

What’s in it for you

• Our flat hierarchy enables you to drive meaningful impact, by leveraging your expertise and taking ownership.
• Highly competitive remuneration and attractive bonus.
• Private healthcare and gym allowances, plus wellness initiatives.
• Additional leave entitlements including marriage leave and 2 bonus days annually.
• Fully stocked kitchen - daily breakfast and lunch.
• Regular social, sporting and community events including annual poker tournament.
• Matched donations and corporate discounts.
• Explore our benefits and culture: link

About Susquehanna

Susquehanna is a global quantitative trading firm powered by scientific rigor, curiosity, and innovation. Our culture is intellectually driven and highly collaborative, bringing together researchers, engineers, and traders to design and deploy impactful strategies in our systematic trading environment. To meet the unique challenges of global markets, Susquehanna applies machine learning and advanced quantitative research to vast datasets in order to uncover actionable insights and build effective strategies. By uniting deep market expertise with cutting-edge technology, we excel in solving complex problems and pushing boundaries together.

What we do

Susquehanna’s deep integration of trading, technology and quant research makes us experts in trading essentially all listed financial products and asset classes, with a focus on derivatives. We handle millions of trading transactions around the world every day as both a market maker and market taker. Our efforts provide liquidity and ensure competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized to allow for a deep understanding of the unique drivers of each asset class.