C++ Exchange Developer

Leading Etrading client requires a senior C++ Engineer to Design, develop and enhance low-latency C++ applications across five equities trading environments, Contribute to critical components including order handling, matching engines and market data services.

Take ownership from initial design through implementation, testing and deployment. Are you passionate about building ultra-high-performance systems that operate at the heart of financial markets? Join a world-class engineering team responsible for one of Europe's largest pan-European equities trading venues, where every microsecond matters and your work directly influences how billions of pounds are traded every day.

As a Senior Software Engineer, you'll play a key role in designing, developing and operating the technology that powers our real-time trading ecosystem. From order entry and matching engines to market data distribution and low-latency infrastructure, you'll help build mission-critical systems that are relied upon by some of the world's most sophisticated trading firms.

Why Join Us? You'll become part of a highly collaborative engineering team that works closely with business stakeholders across Europe and technology teams globally. We believe in empowering engineers with ownership, encouraging innovation, and giving everyone the opportunity to make a meaningful impact.

This is more than a development role. It's an opportunity to solve complex technical challenges, influence system design, mentor talented engineers, and shape the future of modern electronic trading. Build High-Performance Trading SystemsDesign, develop and enhance low-latency C++ applications across five equities trading environmentsDeliver robust, scalable and production-ready solutions with a strong focus on quality and performanceContribute to critical components including order handling, matching engines and market data servicesOwn Features End-to-EndTake ownership from initial design through implementation, testing and deploymentCollaborate closely with engineers, product teams and business stakeholdersDrive technical decisions and ensure successful delivery of complex initiativesLead and MentorSupport and develop less experienced engineersAct as a technical expert for key systems and servicesContribute to technical discussions, architecture reviews and engineering best practicesSupport a Mission-Critical PlatformInvestigate and resolve complex production issuesHelp maintain the reliability and availability of trading systemsParticipate in an on-call support rota when requiredShape the Future TeamInterview and evaluate engineering candidatesHelp build an exceptional technology organisationWhat We're Looking ForEssential Skills & ExperienceSignificant professional experience with Modern C++ (C++11 or later)Strong understanding of performance optimisation and low-level system designProven track record of delivering features from concept through productionExperience mentoring or supporting fellow engineersStrong communication and stakeholder management skillsExperience developing and supporting applications within Linux environmentsA proactive, ownership-driven mindsetDesirable ExperienceC++20Python developmentSQL and relational databasesReal-time or low-latency systemsTrading, financial markets or exchange technologyComputer Science, Software Engineering or related degreeWhat We OfferWe believe exceptional people deserve exceptional support.

That's why we provide a comprehensive package focused on your professional growth, financial wellbeing and personal health. Financial RewardsCompetitive base salaryPerformance-based bonus opportunityEmployee Stock Purchase PlanPension contributions of up to 7% of salary with no employee contribution requiredHealth & WellbeingPrivate medical insurance for you and your family, including dental coverCompany-funded private GP serviceLife assurance and long-term illness coverEmployee Assistance Programme for you and your immediate familyFamily SupportEnhanced parental and adoption leaveFlexible and supportive working environmentLifestyle BenefitsClassPass Corporate MembershipComplimentary lunch, snacks and refreshments in the officeEmployee referral bonus schemeVolunteer opportunities and charitable giving match programmeLearning & DevelopmentPaid tuition assistanceOngoing professional development opportunitiesExposure to some of the most advanced trading technology in the industryTo find out more about Huxley, please visit Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

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