1 to 25 of 300 Permanent Performance Tuning Jobs in London

low-latency infrastructure, enhancing execution speed and ensuring robust system reliability. The ideal candidate will have deep expertise in C++, systems programming and high-performance computing. Key Responsibilities Design, develop, and optimize low-latency, high-performance trading infrastructure in modern C++ (latest standards) Implement efficient and scalable trading … algorithms, order execution, and risk management systems Optimize CPU performance, memory management, and multi-threaded applications . Work on low-level networking , including TCP/UDP performance tuning and kernel bypass techniques (AF_XDP, DPDK, or similar) Collaborate with quant researchers, traders, and infrastructure engineers to improve … system performance Profile, benchmark, and debug real-time systems to minimize latency and maximize throughput Maintain robust and fault-tolerant system components for continuous trading operations Job Requirements C++ Expertise: Advanced proficiency in modern C++ (C++17/20) with strong systems-level programming skills Low-Latency Systems: Proven experience More ❯

Salary: Up to £280k base + Benefits Our client is a global leader focused on delivering mission-critical, low latency infrastructure solutions for high-performance trading environments. They are looking for a highly skilled Platform Specialist to join their talented team and ensure the highest levels of availability, performance … this role, you will: Design, document, and enhance platform services including servers, storage, and cloud infrastructure. Provide L3 escalation support to troubleshoot and remediate performance and availability issues. Collaborate with internal and external partners including network, application, quant, and business teams to deliver scalable solutions. Proactively identify potential system … bottlenecks and implement performance tuning and optimizations. Manage and tune Linux systems (RHEL, Rocky, CentOS, OEL) for low latency applications, including memory, CPU, and network tuning. Work closely with low latency network technologies, including kernel bypass with Solarflare/onload, and understand physical server architecture differences (Intel, AMD More ❯

Salary: Up to £280k base + Benefits Our client is a global leader focused on delivering mission-critical, low latency infrastructure solutions for high-performance trading environments. They are looking for a highly skilled Platform Specialist to join their talented team and ensure the highest levels of availability, performance … this role, you will: Design, document, and enhance platform services including servers, storage, and cloud infrastructure. Provide L3 escalation support to troubleshoot and remediate performance and availability issues. Collaborate with internal and external partners including network, application, quant, and business teams to deliver scalable solutions. Proactively identify potential system … bottlenecks and implement performance tuning and optimizations. Manage and tune Linux systems (RHEL, Rocky, CentOS, OEL) for low latency applications, including memory, CPU, and network tuning. Work closely with low latency network technologies, including kernel bypass with Solarflare/onload, and understand physical server architecture differences (Intel, AMD More ❯

Salary: Up to £280k base + Benefits Our client is a global leader focused on delivering mission-critical, low latency infrastructure solutions for high-performance trading environments. They are looking for a highly skilled Platform Specialist to join their talented team and ensure the highest levels of availability, performance … this role, you will: Design, document, and enhance platform services including servers, storage, and cloud infrastructure. Provide L3 escalation support to troubleshoot and remediate performance and availability issues. Collaborate with internal and external partners including network, application, quant, and business teams to deliver scalable solutions. Proactively identify potential system … bottlenecks and implement performance tuning and optimizations. Manage and tune Linux systems (RHEL, Rocky, CentOS, OEL) for low latency applications, including memory, CPU, and network tuning. Work closely with low latency network technologies, including kernel bypass with Solarflare/onload, and understand physical server architecture differences (Intel, AMD More ❯

Salary: Up to £280k base + Benefits Our client is a global leader focused on delivering mission-critical, low latency infrastructure solutions for high-performance trading environments. They are looking for a highly skilled Platform Specialist to join their talented team and ensure the highest levels of availability, performance … this role, you will: Design, document, and enhance platform services including servers, storage, and cloud infrastructure. Provide L3 escalation support to troubleshoot and remediate performance and availability issues. Collaborate with internal and external partners including network, application, quant, and business teams to deliver scalable solutions. Proactively identify potential system … bottlenecks and implement performance tuning and optimizations. Manage and tune Linux systems (RHEL, Rocky, CentOS, OEL) for low latency applications, including memory, CPU, and network tuning. Work closely with low latency network technologies, including kernel bypass with Solarflare/onload, and understand physical server architecture differences (Intel, AMD More ❯

Senior Java Developer – High-Performance FX Trading We’re working on behalf of a prestigious financial services organization to source a highly skilled Senior Java Developer with a strong background in building high-performance, low-latency trading systems. This is an exciting opportunity to contribute to the evolution … while collaborating closely with cross-functional teams that include product leads, architects, and operations specialists. Key Responsibilities: Application Development: Design, develop, and maintain high-performance FX Matching applications using Java. Apply event-driven architecture principles to create scalable and responsive systems. Conduct OS-level and Java performance tuning … efforts and maintain automated test frameworks. Promote secure coding practices and contribute to compliance and risk mitigation strategies. Key Requirements: Proven experience building high-performance systems for FX or similar financial trading applications. Bachelor’s degree in Computer Science, Engineering, or a related technical field. Strong expertise in low More ❯

Senior Java Developer – High-Performance FX Trading We’re working on behalf of a prestigious financial services organization to source a highly skilled Senior Java Developer with a strong background in building high-performance, low-latency trading systems. This is an exciting opportunity to contribute to the evolution … while collaborating closely with cross-functional teams that include product leads, architects, and operations specialists. Key Responsibilities: Application Development: Design, develop, and maintain high-performance FX Matching applications using Java. Apply event-driven architecture principles to create scalable and responsive systems. Conduct OS-level and Java performance tuning … efforts and maintain automated test frameworks. Promote secure coding practices and contribute to compliance and risk mitigation strategies. Key Requirements: Proven experience building high-performance systems for FX or similar financial trading applications. Bachelor’s degree in Computer Science, Engineering, or a related technical field. Strong expertise in low More ❯

Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯

Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯

Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯

Location: London, UK About the Client: We are partnering with an exciting, disruptive technology company at the forefront of machine learning (ML) and high-performance GPU computing. This innovative firm is leveraging cutting-edge GPU technology to optimize machine learning algorithms and computational models, powering the next wave of … AI and data-driven applications. Their mission is to drive performance optimization in ML and AI workloads, transforming industries such as autonomous vehicles, healthcare, and immersive gaming experiences. This is a fantastic opportunity for someone passionate about low-level systems programming and ML optimization to be part of a … the future of technology. The Role: We are seeking a Low-Level C++ Engineer to join their team and work directly on optimizing GPU performance for machine learning (ML) workloads. As part of the ML optimization team, you will be responsible for developing and fine-tuning GPU-level More ❯

across data platform components Provide technical leadership and mentorship to engineers across the team Experience Strong, hands-on experience with Databricks , including migration projects, performance tuning, and solution delivery (not just high-level design) Experience migrating data and logic from traditional SQL Server environments to Databricks , including rewriting … Solid experience with infrastructure-as-code , deployment automation, and DevOps in data environments (e.g., Azure DevOps, Terraform, ARM templates) Excellent skills in T-SQL , performance tuning, and optimizing large-scale data solutions Key Skills & Attributes Strong balance of hands-on engineering and strategic architectural thinking Able to independently More ❯

across data platform components Provide technical leadership and mentorship to engineers across the team Experience Strong, hands-on experience with Databricks , including migration projects, performance tuning, and solution delivery (not just high-level design) Experience migrating data and logic from traditional SQL Server environments to Databricks , including rewriting … Solid experience with infrastructure-as-code , deployment automation, and DevOps in data environments (e.g., Azure DevOps, Terraform, ARM templates) Excellent skills in T-SQL , performance tuning, and optimizing large-scale data solutions Key Skills & Attributes Strong balance of hands-on engineering and strategic architectural thinking Able to independently More ❯

across data platform components Provide technical leadership and mentorship to engineers across the team Experience Strong, hands-on experience with Databricks , including migration projects, performance tuning, and solution delivery (not just high-level design) Experience migrating data and logic from traditional SQL Server environments to Databricks , including rewriting … Solid experience with infrastructure-as-code , deployment automation, and DevOps in data environments (e.g., Azure DevOps, Terraform, ARM templates) Excellent skills in T-SQL , performance tuning, and optimizing large-scale data solutions Key Skills & Attributes Strong balance of hands-on engineering and strategic architectural thinking Able to independently More ❯

/Hybrid – £300 per day (Inside IR35) We’re currently seeking an experienced Database Administrator (DBA) to support a high-impact data migration and performance tuning project on a contract basis. 📍 Location: Primarily remote – one day per month in office 💰 Day Rate: £300/day (Inside IR35) 🕐 Start … Responsibilities: Deliver on a major data migration project (data centre to data centre) Perform BAU support and troubleshooting across a complex data estate Conduct performance tuning and architecture analysis Run SQL Server analysis to understand application usage Support and manage application-related data requirements Assist with basic testing More ❯

/Hybrid – £300 per day (Inside IR35) We’re currently seeking an experienced Database Administrator (DBA) to support a high-impact data migration and performance tuning project on a contract basis. 📍 Location: Primarily remote – one day per month in office 💰 Day Rate: £300/day (Inside IR35) 🕐 Start … Responsibilities: Deliver on a major data migration project (data centre to data centre) Perform BAU support and troubleshooting across a complex data estate Conduct performance tuning and architecture analysis Run SQL Server analysis to understand application usage Support and manage application-related data requirements Assist with basic testing More ❯

/Hybrid – £300 per day (Inside IR35) We’re currently seeking an experienced Database Administrator (DBA) to support a high-impact data migration and performance tuning project on a contract basis. 📍 Location: Primarily remote – one day per month in office 💰 Day Rate: £300/day (Inside IR35) 🕐 Start … Responsibilities: Deliver on a major data migration project (data centre to data centre) Perform BAU support and troubleshooting across a complex data estate Conduct performance tuning and architecture analysis Run SQL Server analysis to understand application usage Support and manage application-related data requirements Assist with basic testing More ❯

for a Principal Backend Engineer to lead the evolution of our backend systems. This role will drive the development of scalable, secure, and high-performance solutions that form the backbone of our platform. You’ll lead a talented engineering team, define the technical vision, and ensure our infrastructure supports … business goals. Lead and mentor a team of backend engineers, fostering a culture of technical excellence and collaboration. Make architectural decisions that ensure scalability, performance, and securi ty. Development and Deploym ent Oversee the development and maintenance of backend microservices. Ensure seamless deployment with CI/CD processes. Drive … integration of services wi th Postgre SQ L, Re dis, a nd message que ues to ensure efficient data fl ow. Optimization and Performance Monitor backend performance metrics, identifying and addressing bottlenecks proactively. Optimize APIs for low latency and high throughput to support real-time user interactions. Ensure More ❯

for a Principal Backend Engineer to lead the evolution of our backend systems. This role will drive the development of scalable, secure, and high-performance solutions that form the backbone of our platform. You’ll lead a talented engineering team, define the technical vision, and ensure our infrastructure supports … business goals. Lead and mentor a team of backend engineers, fostering a culture of technical excellence and collaboration. Make architectural decisions that ensure scalability, performance, and securi ty. Development and Deploym ent Oversee the development and maintenance of backend microservices. Ensure seamless deployment with CI/CD processes. Drive … integration of services wi th Postgre SQ L, Re dis, a nd message que ues to ensure efficient data fl ow. Optimization and Performance Monitor backend performance metrics, identifying and addressing bottlenecks proactively. Optimize APIs for low latency and high throughput to support real-time user interactions. Ensure More ❯

for a Principal Backend Engineer to lead the evolution of our backend systems. This role will drive the development of scalable, secure, and high-performance solutions that form the backbone of our platform. You’ll lead a talented engineering team, define the technical vision, and ensure our infrastructure supports … business goals. Lead and mentor a team of backend engineers, fostering a culture of technical excellence and collaboration. Make architectural decisions that ensure scalability, performance, and securi ty. Development and Deploym ent Oversee the development and maintenance of backend microservices. Ensure seamless deployment with CI/CD processes. Drive … integration of services wi th Postgre SQ L, Re dis, a nd message que ues to ensure efficient data fl ow. Optimization and Performance Monitor backend performance metrics, identifying and addressing bottlenecks proactively. Optimize APIs for low latency and high throughput to support real-time user interactions. Ensure More ❯

for a Principal Backend Engineer to lead the evolution of our backend systems. This role will drive the development of scalable, secure, and high-performance solutions that form the backbone of our platform. You’ll lead a talented engineering team, define the technical vision, and ensure our infrastructure supports … business goals. Lead and mentor a team of backend engineers, fostering a culture of technical excellence and collaboration. Make architectural decisions that ensure scalability, performance, and securi ty. Development and Deploym ent Oversee the development and maintenance of backend microservices. Ensure seamless deployment with CI/CD processes. Drive … integration of services wi th Postgre SQ L, Re dis, a nd message que ues to ensure efficient data fl ow. Optimization and Performance Monitor backend performance metrics, identifying and addressing bottlenecks proactively. Optimize APIs for low latency and high throughput to support real-time user interactions. Ensure More ❯

/8. Experience with app authentication using Azure AD/B2C. Scripting and Automation: Proficient in scripting and automation with Python, Bash, or PowerShell. Performance & Scalability: Experience with performance testing, auto-scaling strategies, and database performance tuning. Security & Best Practices: Knowledge of security best practices in cloud … environments. Additional Experience: Experience with Python, SQL, and NoSQL database performance tuning, as well as progressive deployment techniques, would be highly desirable. The successful Azure DevOps Engineer/SRE will earn up to £80,000 and in addition there are exceptional benefits which come as part of the More ❯

/8. Experience with app authentication using Azure AD/B2C. Scripting and Automation: Proficient in scripting and automation with Python, Bash, or PowerShell. Performance & Scalability: Experience with performance testing, auto-scaling strategies, and database performance tuning. Security & Best Practices: Knowledge of security best practices in cloud … environments. Additional Experience: Experience with Python, SQL, and NoSQL database performance tuning, as well as progressive deployment techniques, would be highly desirable. The successful Azure DevOps Engineer/SRE will earn up to £80,000 and in addition there are exceptional benefits which come as part of the More ❯

/8. Experience with app authentication using Azure AD/B2C. Scripting and Automation: Proficient in scripting and automation with Python, Bash, or PowerShell. Performance & Scalability: Experience with performance testing, auto-scaling strategies, and database performance tuning. Security & Best Practices: Knowledge of security best practices in cloud … environments. Additional Experience: Experience with Python, SQL, and NoSQL database performance tuning, as well as progressive deployment techniques, would be highly desirable. The successful Azure DevOps Engineer/SRE will earn up to £80,000 and in addition there are exceptional benefits which come as part of the More ❯

low-latency trading infrastructure? Our client, a global quantitative trading firm, is searching for a Core C++ Developer to push the boundaries of high-performance computing. This role offers the chance to optimise execution speed, enhance system scalability, and collaborate with top-tier engineers to develop trading systems at … the cutting edge of technology... Key Responsibilities Design and optimise high-performance, low-latency trading infrastructure in modern C++ (C++17/20) Develop and fine-tune order execution and risk management systems, ensuring robustness and efficiency Optimise CPU performance, memory management, and multi-threaded applications for peak efficiency … Implement and refine networking performance, including TCP/UDP tuning and kernel bypass techniques (AF_XDP, DPDK) Benchmark, profile, and debug real-time systems, reducing latency and maximising throughput Collaborate with quantitative researchers, traders, and infrastructure engineers to improve execution speed Ensure fault tolerance and system resilience, maintaining More ❯