1 to 25 of 177 Performance Tuning Jobs in the Thames Valley

The consultant will play a key role in defining best practices, creating reusable frameworks, and mentoring client teams on Fabric’s capabilities, governance, and performance optimization. This is an opportunity to influence data strategy at an enterprise level, driving innovation and efficiency through Microsoft’s next-generation data services. … hands-on background originating in SQL development and administration, the consultant will also be responsible for supporting SQL modernization initiatives, including SQL Server upgrades, performance tuning, and data platform transformations. The role requires a balance of technical excellence and consultancy experience, guiding clients through both legacy system optimization … solutions using Microsoft technologies such as Synapse Analytics, Data Factory, Power BI, and Azure SQL. SQL Modernization Projects – Drive SQL modernization projects including upgrades, performance tuning, and migrations to cloud-native architectures. Governance and Standards – Define and promote best practices for data governance, architecture standards, and operational excellence More ❯

The consultant will play a key role in defining best practices, creating reusable frameworks, and mentoring client teams on Fabric’s capabilities, governance, and performance optimization. This is an opportunity to influence data strategy at an enterprise level, driving innovation and efficiency through Microsoft’s next-generation data services. … hands-on background originating in SQL development and administration, the consultant will also be responsible for supporting SQL modernization initiatives, including SQL Server upgrades, performance tuning, and data platform transformations. The role requires a balance of technical excellence and consultancy experience, guiding clients through both legacy system optimization … solutions using Microsoft technologies such as Synapse Analytics, Data Factory, Power BI, and Azure SQL. SQL Modernization Projects – Drive SQL modernization projects including upgrades, performance tuning, and migrations to cloud-native architectures. Governance and Standards – Define and promote best practices for data governance, architecture standards, and operational excellence More ❯

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 ❯

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 ❯

role in a talented team where youll be developing and optimising highly available, robust, and scalable MySQL databases, while contributing to architectural decisions and performance tuning Essential: MySQL DBA and development experience Performance tuning, optimisation, and indexing SQL Server to MySQL migration experience Writing performant SQL More ❯

supporting, and optimising mission-critical SQL Server environments. This is a hands-on role that requires a deep understanding of database management, troubleshooting, and performance tuning to ensure the highest levels of availability and performance. You will have - 3+ years+ experience as a SQL Server DBA in a … On. Advanced knowledge of T-SQL for query optimisation and troubleshooting. Experience with database backup, recovery, disaster recovery planning, and strategies. Solid understanding of performance tuning methodologies, indexing strategies, and execution plans. Familiarity with monitoring tools (eg, SQL Server Profiler, Extended Events, Performance Monitor, etc.). Experience 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 ❯

/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 ❯

leadership for the design, implementation, and optimisation of IT infrastructure in line with a cloud-first strategy Oversee a team of engineers, driving accountability, performance, and continuous improvement Deliver infrastructure enhancements across cloud platforms, virtual environments, and on-premise systems Take ownership of operational processes including Major Incident Management … Change Management, Capacity Planning, and Supplier Management Ensure system performance, availability, and security across the global infrastructure estate Collaborate with vendors, internal stakeholders, and project management teams to align technical initiatives with business objectives Lead the migration of on-premise workloads to cloud platforms (particularly AWS) Monitor and tune … system performance; identify and resolve performance issues proactively Participate in the design and management of data centre environments Maintain robust security practices aligned with compliance standards including ISO 27001 and 20000 Required Skills & Experience 10+ years of experience in IT infrastructure, systems administration, and operations Proven leadership experience More ❯

leadership for the design, implementation, and optimisation of IT infrastructure in line with a cloud-first strategy Oversee a team of engineers, driving accountability, performance, and continuous improvement Deliver infrastructure enhancements across cloud platforms, virtual environments, and on-premise systems Take ownership of operational processes including Major Incident Management … Change Management, Capacity Planning, and Supplier Management Ensure system performance, availability, and security across the global infrastructure estate Collaborate with vendors, internal stakeholders, and project management teams to align technical initiatives with business objectives Lead the migration of on-premise workloads to cloud platforms (particularly AWS) Monitor and tune … system performance; identify and resolve performance issues proactively Participate in the design and management of data centre environments Maintain robust security practices aligned with compliance standards including ISO 27001 and 20000 Required Skills & Experience 10+ years of experience in IT infrastructure, systems administration, and operations Proven leadership experience 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 ❯

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 ❯

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 ❯

Mainframe Architect Salary: Upwards from £120,000 per annum + performance-related bonus Location : London-based (hybrid), with flexibility for occasional travel to client sites. The Role We are seeking an experienced Mainframe Architect to lead the design, implementation, and modernisation of mission-critical mainframe solutions for high-profile … clients. This role is pivotal in bridging business requirements with cutting-edge technology, ensuring seamless integration, scalability, and performance across complex enterprise environments. As a Mainframe Architect , you will be responsible for crafting tailored mainframe database architectures, working closely with stakeholders to define solutions that align with both client … needs and industry best practices. You will oversee the technical execution of projects from inception to delivery, ensuring efficiency, security, and performance optimization. This is a strategic leadership role that requires both deep technical expertise and the ability to communicate complex solutions to technical and non-technical stakeholders alike. More ❯

seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact … where you will work and learn from the best. As a Software Engineer you will have the following responsibilities: Design, develop, and maintain high-performance trading applications. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and More ❯

London. Our work environment rewards innovation, speed, and bold thinking. The role We’re hiring Senior and Staff Software Engineers to build the high-performance computing infrastructure that powers our Optical Tensor Processing Units (OTPUs). This isn’t just about scaling models—it’s about rethinking how AI … optimise every layer of the stack—from model representation and execution to data movement and scheduling. Whether it’s through compiler techniques, systems-level tuning, or custom runtime design, you’ll play a critical role in shaping the performance layer of our AI platform. This is a role … ve worked in HFT, large-scale scientific compute, or AI infrastructure at serious scale, we’d love to talk. Responsibilities Design and build high-performance systems for running AI/ML workloads across distributed compute clusters Optimise for ultra-low latency and real-time inference at scale—profiling, tuning More ❯