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Jobs in London

186 current jobs in London.

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  • RefermentLondonon-site

    Design and improve workload scheduling, fleet management, clustered file systems, software lifecycle tooling, and platform reliability for large-scale compute environments. Investigate and tune kernel and network perfor…

  • Octavius FinanceLondonon-site

    Architect, develop, and maintain front-office quantitative platforms for fixed income, rates, and macro trading, including pricing engines, yield curve tools, portfolio analytics, and risk infrastructure. Own end-to-end…

  • Radley JamesLondonhybrid

    Develop core Python systems and contribute to greenfield, business-critical projects. Collaborate closely with traders, quantitative researchers, and engineers across crypto and traditional financial markets. Candidates…

  • Oliver BernardLondonon-site£150,000–£150,000 / year

    Support complex trading applications and manage new code deployments across the business. Work with Engineering, Quant, and DevOps teams to implement improvements and drive automation, with opportunities to develop soft…

  • Oliver BernardLondonon-site£175,000–£175,000 / year

    Develop and maintain infrastructure for a large-scale high-performance computing cluster, including a bespoke filesystem, automated monitoring and observability systems, and bare-metal provisioning. Write software and t…

  • Oliver BernardLondonon-siteFrom £150,000 / year

    Support complex trading applications and collaborate with Engineering, Quant, and DevOps teams. Implement improvements, manage code deployments, and develop automation, software, filesystems, and tools. Candidates shoul…

  • Oliver BernardLondonon-site£150,000–£150,000 / year

    Develop software, filesystems, and tools for one of the world’s largest high-performance computing clusters. Contribute to projects involving a bespoke filesystem, automated monitoring and observability, and bare-metal…

  • Oliver BernardLondonhybrid£150,000–£150,000 / year

    Support and engineer complex on-premises and data center networks, including high-performance, low-latency infrastructure. Contribute to infrastructure projects focused on automation, infrastructure as code, and evolvin…

  • Oliver BernardLondonon-site£150,000–£150,000 / year

    Design, build, automate, and scale robust platform infrastructure that supports mission-critical trading systems. Develop CI/CD pipelines and self-service workflows while collaborating with developers, researchers, and…

  • VolitionLondonon-site£80,000–£120,000 / year

    Design and build scalable backend systems and platform components for real-time execution and algorithmic trading, using Python, Java, and/or C++. Develop data-driven trading features and models while ensuring low laten…

  • Upward TrendLondonon-site

    Design, train, and deploy large-scale machine learning models and improve end-to-end pipelines for data processing, distributed computation, parameter optimization, and model validation. Enhance research and signal-deve…

  • BounteousLondonhybrid

    Own the end-to-end architecture and integration design for an electronic commodities trading platform, connecting RFQ, pricing, market data, order management, execution, and core trade processing systems. Define technic…

  • CitiLondonhybrid

    Lead the design, development, and integration of low-latency application frameworks and algorithmic trading utilities, primarily using Java or Rust. Analyze complex systems and business processes, deliver performance im…

  • RefermentLondonon-site

    Investigate complex production issues, establish reproducible test cases, and communicate root causes to technical and non-technical teams. Build prototypes, diagnostic tools, test and benchmarking frameworks, and dashb…

  • Man GroupLondonon-site

    You will work within the Man AHL team to develop new alpha models and systematic trading strategies. The role involves collaborating with quantitative researchers to implement high-throughput systems and maintain robust…

  • SaragossaLondonhybrid£100,000–£140,000 / year

    Build and maintain Kubernetes clusters, developer environments, and safe self-service paths to production that help trading and development teams deliver software independently. Work directly with traders, quants, and d…