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Join to apply for the C++ Software Engineer role at Citadel SecuritiesJoin to apply for the C++ Software Engineer role at Citadel SecuritiesCitadel Securities is the next-generation capital markets firm and a leading global market maker. We provide institutional and retail investors with the liquidity they need to trade a broad array of equity and fixed income products in any market condition. The brightest minds in finance, science and technology use powerful, advanced analytics to solve the market''s most critical challenges, turning big ideas into real-world outcomes.Role Overview:We''re looking for driven innovators and optimizers who are excited about cutting-edge technology and making a measurable impact. If you''re passionate, obsessed with performance, and excited to work where nanoseconds matter.Responsibilities:Solve What Matters: Break down intricate challenges and deliver clear, elegant solutions that drive real world outcomesBuild and Scale: Design, build and maintain high performance systems that are the backbone of our trading infrastructureOptimize Everything: Continuously push the limits of latency, reliability, and throughput in a distributed environmentPartner and Deliver: Collaborate directly with traders, researchers, and fellow engineers to deliver ideas into productionOwn it in production: Take pride in running your code live - Monitoring, supporting and improving it every dayQualifications:Deep experience in C++ with a passion for clean, performant codeA strong grasp of multithreading, concurrency, and distributed systemsCuriosity to explore how things work and a drive to improve themClear, thoughtful communication and the ability to thrive in a high ownership environmentBachelor''s (or higher) degree in a Computer Science, Engineering or related fieldBackground in Trading or finance is a plus but not a requirementThis role requires you to be based in one of our global offices listed below. If you are not currently located in one of these cities, we offer a comprehensive relocation package to support your move:Opportunities may be available from time to time in any location in which the business is based for suitable candidates. If you are interested in a career with Citadel, please share your details and we will contact you if there is a vacancy available.Seniority levelSeniority levelMid-Senior levelEmployment typeEmployment typeFull-timeJob functionReferrals increase your chances of interviewing at Citadel Securities by 2xSign in to set job alerts for "Software Engineer" roles.2025 Software Development Graduate (AWS, Auckland,NZ), (0-2 Years, Entry-Level)Sydney, New South Wales, Australia 4 days agoSydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 2 weeks agoSoftware Development Graduate (2025, AWS)Sydney, New South Wales, Australia 1 day agoSoftware Engineer, Engineering Productivity, Android, Early CareerSoftware Engineer, Early Career, iOS, PhotosSoftware Engineer - Frontend (Open to remote across ANZ)Sydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 2 weeks agoFrontend Software Engineer - CMS Team (Open Across ANZ)Sydney, New South Wales, Australia A$99,938.00-A$110,271.00 3 weeks agoSydney, New South Wales, Australia 5 months agoSydney, New South Wales, Australia 2 weeks agoNorth Sydney, New South Wales, Australia 2 weeks agoGraduate Software Developer (Java/Python) - Nasdaq Market SurveillanceSydney, New South Wales, Australia 1 day agoSydney, New South Wales, Australia A$100,000.00-A$185,000.00 2 days agoJunior Software Engineer (Typescript/React/Node/AWS) - NEW TEAMSydney, New South Wales, Australia 1 month agoSoftware Engineering Internship (Dec 2025 - March 2026)Sydney, New South Wales, Australia A$62,000.00-A$62,000.00 2 weeks agoSoftware Engineer, Google Global NetworkingSoftware Engineering Internship (Dec 2025 - March 2026)Sydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia 2 weeks agoSydney, New South Wales, Australia A$100,000.00-A$150,000.00 2 weeks agoSydney, New South Wales, Australia A$80,000.00-A$100,000.00 21 hours agoSoftware Engineering Internship (Dec 2025 - March 2026)Sydney, New South Wales, Australia A$62,000.00-A$62,000.00 2 weeks agoSoftware Engineer, Platform - Sydney, AustraliaSydney, New South Wales, Australia 4 days agoSydney, New South Wales, Australia A$120,000.00-A$150,000.00 2 weeks agoSydney, New South Wales, Australia 6 days agoSurry Hills, New South Wales, Australia 1 day agoSydney, New South Wales, Australia 7 months agoSydney, New South Wales, Australia 6 days agoSydney, New South Wales, Australia A$100,000.00-A$185,000.00 2 weeks agoSydney, New South Wales, Australia 2 days agoWe''re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.#J-18808-Ljbffr