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C# Developer (PTT)

Susquehanna International Group, LLP
Sydney, FL Other
POSTED ON 4/4/2025
AVAILABLE BEFORE 4/3/2026

Overview

Susquehanna is a global quantitative trading firm founded by a group of friends who share a passion for game theory and probabilistic thinking. We have incorporated this approach into our culture, where you will find relentless problem solvers within each of our core disciplines: Trading, Technology, and Quantitative Research. From offices around the world, our employees collaborate to make optimal decisions and are driven by the desire to achieve winning results together. 

What we do: We are experts in trading essentially all listed financial products and asset classes, with a focus on derivatives trading. Through market making and market taking, we handle millions of trading transactions around the world every day, providing liquidity and ensuring competitive prices for buyers and sellers. While our presence in the market is broad, our trading desks are highly specialized, allowing for a deep understanding of unique drivers of each asset class.

 

What you can expect from us:

  • Real Impact: By integrating sophisticated coding techniques with innovative engineering ideas, we design and optimize systems that process large volumes of data while still ensuring high performance and stability
  • Collaboration: You will work closely with the Accounting team to support their applications and processes. In addition, you will work alongside the other Post Trade Technology team members, working with the Business (Trading, Ops, and Compliance etc) on delivering strategic projects
  • Growth:  For many of our roles, we don’t expect you to have prior industry experience in proprietary trading or financial services to succeed at Susquehanna International Group. We’re looking for people who are naturally curious, relentless problem solvers, and have the desire to continuously innovate, learn, and grow
  • Benefits: SIG offers a wide array of competitive employee perks & benefits.

What we’re looking for

Susquehanna International Group is seeking a Software Engineer to join our Post Trade technology team, who are responsible for processing and storing all accounting related activity across the APAC region. This part of the team builds applications used to automate many of the accounting processes, and provides  robust Financial Systems, that comply with all finance, regulatory, accounting requirements across our various APAC regional locations.

 

The successful candidate should have

  • 5 years of experience in software development (Oracle and C#)
  • An excellent understanding of Database design allied with a knowledge of Object-oriented programming
  • A proven track record of designing, developing, and implementing client/server applications using C# and Oracle, being equally adept in either one
  • Experience taking projects through the entire software development cycle from requirements gathering to production release
  • Experience collaborating closely with core development/engineering teams to provide data and services to the business
  • Interest in the challenges of Accounting Software architecture and desig
  • Clear understanding of architectural concepts and the fundamentals of good software design
  • Solid grasp of design patterns and principles, particularly as they apply to Object Oriented Design (OOD)
  • Experience with software testing strategies and approaches
  • Broad experience and across various languages, technologies, and platforms and ability to adapt
  • Demonstrated skills in diagnosing and solving technical and business problems
  • Strong verbal communication skills and the ability to deal effectively with both technical and non-technical teams
  • Minimum of a Bachelor’s degree in Computer Science, Engineering, Mathematics, or a related discipline.

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