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Susquehanna International Group

Global quantitative trading, liquidity provision, research

C# Developer - Core Trading Technology

Backend EngineeringConfirmed live in the last 24 hours
Full-timeSydney NSW, AustraliaNo salary listedIn-person

About the Job

Requirements

  • A Bachelor's degree or higher in a technical or related discipline.
  • At least 4 years of C# experience in server-side systems, ideally including multithreading, as well as client-side development.
  • Understanding of web technologies, HTML, and JavaScript.
  • Knowledge of software design, profiling, object-oriented programming, multithreading, and user-interface development on both the client and server sides.
  • Strong interpersonal and communication skills for interacting with traders, quantitative analysts, and software developers.
  • Ability to meet deadlines and work effectively under pressure in a fast-paced team environment.
  • Excellent attention to detail, accuracy, and a thorough understanding of the full software development life cycle.
  • Strong collaboration and mentoring skills to help junior team members grow.

Responsibilities

  • Analyze, design, and develop business-critical applications.
  • Take projects through the entire software development cycle from requirements gathering to production release.
  • Continuously improve the capability of the Core Trading Technology team and its applications through technology, automation, and other means.

Desired Qualifications

  • Previous Windows Presentation Foundation experience.
  • Previous experience with ReactJS and TypeScript.
  • Previous experience running and deploying .NET Core applications on Linux.
  • Experience with real-time applications, especially with Tibco Rendezvous.
  • Solid experience in an Agile environment.

About the Company

Susquehanna International Group

Global quantitative trading, liquidity provision, research

Susquehanna International Group (SIG) is a global quantitative trading firm that provides liquidity in equities, fixed income, commodities, and derivatives for institutional clients. Its core approach combines cutting-edge technology with quantitative research to build algorithms and models that identify trading opportunities and manage risk, enabling efficient, profitable trading. SIG differentiates itself through its deep emphasis on data-driven decision making, advanced technology, broad asset class coverage, and a strong global presence with offices in North America and regulated international locations. The company aims to generate trading profits by executing well-priced trades while supporting the careers of professionals in trading, technology, and quantitative research, all within a privacy-conscious framework.

Company size
1,001-5,000
Company stage
Not listed
Total funding
Not listed
Headquarters
Lower Merion Township, Pennsylvania
Founded
1987

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