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Join to apply for the C# Developer - GDS role at Susquehanna International GroupJoin to apply for the C# Developer - GDS role at Susquehanna International GroupAbout SusquehannaSusquehanna 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.OverviewAbout SusquehannaSusquehanna 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 Youll DoSusquehanna technologists are at the heart of where cutting-edge technology meets the fast-paced world of trading. Our growing teams build some of the most powerful trading systems in the financial industry and solve complex problems in a constantly changing environment. From large scale computations, real-time systems, high performance computing to petabytes of data. By integrating sophisticated coding techniques with innovative engineering ideas, we design and optimise systems that can process massive amounts of data while still ensuring high performance and stability. Collaborating with traders and quantitative researchers, our systems engineers, network architects, technical analysts and software developers create competitive edge through best-in-class technical solutions. As a Software Developer at Susquehanna, day to day you will:Collaborate with traders and other engineers on developing high performance C# server-based and front-end trading applicationsWork closely with quantitative researchers on implementing trading models and signalsCollaborate with other technology teams to developed integrated technical solutions for trading.What We''re Looking ForWhat were looking forTertiary education in Computer Science field5+ years of professional C# development experienceExperience in WPF or other User Interface technologies is desirableAny experience with Python or C++ would be beneficialAny experience with Web Services, Kubernetes, Linux and automated build and deployment systems would be beneficialGood understanding of financial markets is highly regardedGood communication skills and hard working.Whats In It For YouOur flat hierarchy enables you to drive meaningful impact, by leveraging your expertise and taking ownershipHighly competitive remuneration and attractive bonusPrivate healthcare and gym allowances, plus wellness initiativesAdditional leave entitlements including marriage leave and 2 bonus days annuallyFully stocked kitchen - daily breakfast and lunchRegular social, sporting and community events including annual poker tournamentMatched donations and corporate discountsExplore our benefits and culture: linkIf you''re a recruiting agency and want to partner with us, please reach out to recruiting@sig.com . Any resume or referral submitted in the absence of a signed agreement will not be eligible for an agency fee.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionJob functionEngineering and Information TechnologyReferrals increase your chances of interviewing at Susquehanna International Group by 2xGet notified about new Software Engineer jobs in Sydney, New South Wales, Australia.Software Engineer, Early Career, NetSoftSydney, New South Wales, Australia 2 days agoSydney, New South Wales, Australia 2 days agoMillers Point, New South Wales, Australia 6 days agoSydney, New South Wales, Australia 5 days ago2025 Software Development Graduate (AWS, Auckland,NZ), (0-2 Years, Entry-Level)Sydney, New South Wales, Australia 2 weeks agoSoftware Engineer (Expression of Interest)Sydney, New South Wales, Australia 8 hours agoSoftware Engineer, Early Career, iOS, PhotosSydney, New South Wales, Australia 2 days agoSydney, New South Wales, Australia 2 days agoSydney, New South Wales, Australia 1 month agoSoftware Engineer, Home and Assistant, Site Reliability EngineeringSydney, New South Wales, Australia 2 weeks agoIntern Software Engineer - Multiple RolesSydney, New South Wales, Australia 1 month agoSoftware Engineer (Python) - Data Platform (Open to remote across ANZ)Sydney, New South Wales, Australia 6 days agoSydney, New South Wales, Australia 6 days agoSydney, New South Wales, Australia 1 month agoSoftware Engineering Internship (Dec 2025 - March 2026)Sydney, New South Wales, Australia 1 month agoSydney, New South Wales, Australia 5 days agoSydney, New South Wales, Australia 3 months agoMid-Level Software Engineer (2 Positions)Sydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 3 weeks agoSydney, New South Wales, Australia 3 months agoSydney, New South Wales, Australia 4 days agoSydney, New South Wales, Australia 4 months agoSydney, New South Wales, Australia 4 weeks agoSydney, New South Wales, Australia 1 month agoSydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 1 month agoSydney, New South Wales, Australia 3 weeks agoWere unlocking community knowledge in a new way. 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