26 to 50 of 177 Performance Tuning Jobs in the Thames Valley

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 ❯

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 ❯

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 ❯

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 ❯

using .NET, Vue.js, and other technologies. As part of a broader transformation initiative, you'll play a key role in modernizing Legacy components-enhancing performance, maintainability, and platform-wide integration with up-to-date solutions. Key Responsibilities: Design, develop, and maintain scalable, high-performance web applications using .NET … and Vue.js. Support and enhance existing systems built with earlier versions of .NET and Vue.js. Troubleshoot and optimize database performance, focusing on query tuning, indexing, and transaction management in both SQL Server and MongoDB. Write clean, efficient, and maintainable code, following industry best practices and coding standards. Ensure … years of experience in software engineering, with a strong focus on .NET Core/Framework. 3+ years of practical experience with SQL Server, including performance tuning, query optimization, indexing, and troubleshooting in production environments. Solid understanding of Agile and Scrum development methodologies. Proficient in designing, building, and consuming More ❯

initiatives System Design and Implementation: Involvement in the design and architecture of IT systems and solutions. Lead the implementation of new technologies and upgrades. Performance Optimization: Analyses system performance and recommends improvements or upgrades. Conducts in-depth performance tuning and optimization of systems. Documentation and Knowledge More ❯

including IAM roles, policies, and encryption Manage WAF configurations, compliance requirements, and security event monitoring Collaborate with internal teams on policies and standards 💾 Database & Performance Optimization Oversee RDS management, backup strategies, failover configurations, and performance tuning Optimize caching using Elasticache to boost system performance 📈 Monitoring, Observability More ❯

SYSTEMS DEVELOPER – High Performance Trading Infrastructure London - Hybrid £100,000-150,000 + bonus Quant Capital is recruiting on behalf of a leading global quant investment firm seeking a Systems Developer to join its high-impact technology group in London. This role is part of a core engineering team … focused on building and maintaining the backbone infrastructure supporting high-performance trading and large-scale research. In this hands-on role, you will gain significant exposure to distributed systems, high-throughput computing, and low-latency infrastructure. You’ll work on complex technical challenges that directly influence the firm’s … scale compute and storage systems used across trading and research functions Work on the architecture and implementation of distributed workload scheduling, fleet orchestration, and performance tuning across a large server estate Build internal tools for managing system performance, reliability, and software lifecycles (SDLC) Tackle performance bottlenecks More ❯

based analytics platforms. Provide DevOps support and expertise to optimize the development lifecycle. Monitoring & Optimization: Implement tools and processes for continuous monitoring, logging, and performance tuning of data pipelines. Develop fault-tolerant and scalable solutions for managing terabytes of data daily. Environment Automation: Utilize Infrastructure as Code (IaC … with: Azure Data Lake, Azure Event Hubs, Azure Databricks Infrastructure as Code: Terraform or ARM templates CI/CD pipeline design for data workflows Performance monitoring and tuning for data engineering Understanding of data governance and role-based access control (RBAC) Cost optimization in cloud environments More ❯

join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like … software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable … messaging. Collaborate with development and application support teams to troubleshoot message flow issues and integration problems. Perform capacity planning , scaling, and tuning of Solace infrastructure to meet current and future demand. Automate routine maintenance tasks and support continuous improvement of operational processes. Implement and maintain monitoring alerts, dashboards, and More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure completeness … members. Essential Skills & Experience Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure completeness … members. Essential Skills & Experience Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure completeness … members. Essential Skills & Experience Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure completeness … members. Essential Skills & Experience Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup More ❯

candidate will lead a feature team responsible for ensuring the seamless migration and integration of Oracle databases, while upholding best practices in data integrity, performance, and security. This is a pivotal role for an experienced professional passionate about data engineering and transformational delivery. Key Responsibilities Lead the planning and … execution of Oracle database modernisation, conversion, and migration activities, ensuring alignment with project timelines and deliverables. Oversee database architecture assessments and performance optimisation efforts. Collaborate with development and architecture teams to improve data flow and streamline database operations. Conduct thorough testing and validation of migrated data to ensure completeness … members. Essential Skills & Experience Extensive experience as an Oracle DBA with deep expertise in Oracle Exadata. Strong knowledge of Oracle Database architecture, tools, and performance tuning techniques. Proven track record with data migration methodologies and execution. Skilled in SQL and PL/SQL programming. Experience with database backup More ❯

and visualise critical risk data. In this role, you'll be the go-to expert for designing and maintaining our central Risk database, ensuring performance, data integrity, and scalability. You'll also create clear, compelling visualisation dashboards that inform business decisions and help the Risk team thrive. What You … reliable datasets. Build and manage Tableau dashboards and analytics tools. Oversee ETL processes for trades, positions, and pricing data. Monitor and fine-tune database performance (query plans, indexing, etc.) Maintain robust documentation and enforce best practices for security and maintenance. Support external reporting by owning a subset of raw … via APIs or file-based workflows. Expertise in relational database design , with a strong understanding of normalization, data integrity enforcement, and modelling for high-performance transactional and analytical workloads. Demonstrated skill in performance tuning , including query plan analysis, indexing strategy design, partitioning, and resolving concurrency and locking More ❯

engagement activities is highly desirable. Preferred Skills Camunda Certified Developer or Architect. Experience migrating from legacy BPM platforms to Camunda. Knowledge of process monitoring, performance tuning, and optimization techniques Exposure to front-end frameworks (e.g., Angular, React) for building user tasks/UI. VASS is an Equal Opportunity More ❯

development of large applications using an Oracle database and toolset Solid PL/SQL skills, with experience of writing design specifications, problem solving and performance tuning Appreciation of application and data security Must be eligible for UK Security Clearance Desirable: Experience of Oracle Apex, javascript, HTML and CSS More ❯

development of large applications using an Oracle database and toolset Solid PL/SQL skills, with experience of writing design specifications, problem solving and performance tuning Appreciation of application and data security Must be eligible for UK Security Clearance Desirable: Experience of Oracle Apex, javascript, HTML and CSS More ❯

business functions across the firm. This is a business-critical role, working closely with Risk, Finance, Trading, and Business Solutions teams to build high-performance data models and pipelines that drive decision-making at scale. This role will offer continuous exposure to Portfolio Managers, Risk & Portfolio Research teams, Product … production processes, including daily T+1 and month-end P&L workflows. Stay ahead of database technologies and continuously evaluate new data ingestion methods and performance optimizations. Provide on-call coverage for critical services, particularly in Asian trading hours when required. Train & mentor other developers in data engineering best practices. … datasets. 5+ years of experience working with P&L reporting, financial analytics, or similar data-driven workflows in a financial institution. Experience with database performance tuning, query optimization, and data pipeline automation. A deep understanding of financial markets, trading workflows, and risk analytics is highly beneficial. Ability to More ❯

They foster a culture of innovation, collaboration, and excellence, offering engineers the opportunity to work with the latest technologies in a fast-paced, high-performance environment. Role Overview: We are seeking a highly motivated Junior Linux Engineer with a strong foundation in DevOps, automation, and Python scripting . The … Responsibilities: Support, manage, and optimize Linux-based trading infrastructure. Develop and maintain automation tools and scripts using Python and other relevant technologies. Monitor system performance, troubleshoot issues, and ensure high availability of trading systems. Collaborate with software developers, network engineers, and traders to enhance system performance and reliability. … manner. Requirements: 1-6 years of experience as a Linux Engineer, DevOps Engineer, or similar role. Strong understanding of Linux systems administration, including troubleshooting, performance tuning, and security. Proficiency in Python for scripting, automation, and system integration. Experience with DevOps tools such as Ansible, Terraform, Docker, or Kubernetes. More ❯

Bash) for automation. Experience with CI/CD pipeline management and DevOps practices. Strong understanding of disaster recovery and business continuity planning. Experience with performance tuning and capacity planning. Understanding of chaos engineering principles and practices. Skills in cost optimization for cloud infrastructure. Specific Tools and Techniques: Experience … Azure Monitor, and Google Cloud Operations Suite. Experience with packet capture tools like Wireshark for troubleshooting network issues. Experience in using traceroute utilities and performance analysis tools like perf for identifying and resolving bottlenecks. Familiarity with tools such as ipconfig/ifconfig for viewing network configurations, flushing DNS, and … diagnosing network issues. Experience with SNMP-based tools for network device monitoring and performance management. Experience in using NetFlow for network traffic analysis. Experience with tools like iostat, vmstat, and dstat for monitoring storage and system performance. Experience in tools like df, du, lsblk, and fdisk for managing and More ❯

This is a hands-on technical role within a cross-platform engineering team responsible for core technology infrastructure. You Will: Implement and maintain high-performance database environments critical to trading operations Design and execute clustering, replication, and disaster recovery solutions Drive performance optimization across multiple database platforms Collaborate … solving Your Profile: Years of production experience with both Oracle and PostgreSQL database engineering Strong UNIX/Linux administration skills Deep expertise in database performance tuning and configuration Experience with clustering, replication, and mirroring technologies Proficiency in T-SQL or PL/SQL Experience with MS SQL Server More ❯

more scalable and modern architecture. You’ll work across the stack using technologies like .NET and Vue.js , helping to rebuild legacy components and improve performance, maintainability, and integration. If you enjoy working with both established and emerging technologies in a collaborative environment, we’d love to hear from you. … develop, and maintain scalable web applications using .NET and Vue.js. Support and enhance legacy systems built with older .NET and Vue.js versions. Optimize database performance (SQL Server, MongoDB). Collaborate with cross-functional teams to gather requirements and implement solutions. Write clean, maintainable, and efficient code following best practices. … AI tools or services into software solutions. Strong analytical and debugging skills with a keen eye for detail. Preferred Qualifications Deep knowledge of SQL performance tuning, indexing, and query optimization. Experience with message brokers and asynchronous communication patterns (e.g., RabbitMQ, Kafka). Exposure to CI/CD pipelines More ❯

scalable, resilient, and secure Work with cloud infrastructure, containerisation (Docker, Kubernetes), and CI/CD pipelines Take part in code reviews, architecture discussions, and performance tuning What We’re Looking For A Bachelor’s degree (or higher) in Computer Science or a closely related field 4+ years experience … building scalable, high-performance, real-time applications Strong programming skills in Go (Golang) Solid understanding of distributed systems , microservices architecture , and event-driven design Experience working with cloud platforms (e.g., AWS, GCP, Azure) Familiarity with monitoring, logging, and observability tools Bonus Points For Contributions to open-source projects Contributions … to an AI product ⚙️ Tech Stack: Golang, GCP, microservices, Kubernetes, Kafka, MongoDB, Prometheus If scalability, security, databases and performance is your thing, looking for high ownership and impact - this role is for you! Please apply with an up to date CV and we will be in touch with next More ❯