76 to 100 of 156 Performance Optimisation Jobs in the UK excluding London

a high-growth UK business, is looking for an experienced and hands-on Head of IT to take full ownership of their technology evolution - from infrastructure to innovation, CRM performance to AI integration. This is a pivotal leadership role that combines technical depth, strategic oversight, and operational excellence. Based on-site in Manchester, you'll drive tangible change, scalability … and workflow automation. With strong foundations in place (PHP 8+, MySQL 8, Redis, AWS), the next step is transformation: AI/ML-powered automation Cybersecurity hardening Platform integration and performance optimisation The successful candidate will help position the business for scale, operational efficiency, and a potential future exit. What Youll Be Doing: AI/Automation & CRM Modernisation Lead … rollout of 30+ AI/ML features including voice AI, automation, and predictive tools Overhaul the legacy CRMs UI/UX into a modern, high-performance platform Cybersecurity & Risk Management Own enterprise cybersecurity strategy, audits, and incident response Design post-attack processes and lead quarterly vulnerability assessments Infrastructure & Performance Optimise PHP/MySQL stack for speed, uptime, and More ❯

a high-growth UK business, is looking for an experienced and hands-on Head of IT to take full ownership of their technology evolution - from infrastructure to innovation, CRM performance to AI integration. This is a pivotal leadership role that combines technical depth, strategic oversight, and operational excellence. Based on-site in Manchester, you'll drive tangible change, scalability … and workflow automation. With strong foundations in place (PHP 8+, MySQL 8, Redis, AWS), the next step is transformation: AI/ML-powered automation Cybersecurity hardening Platform integration and performance optimisation The successful candidate will help position the business for scale, operational efficiency, and a potential future exit. What You'll Be Doing: AI/Automation & CRM Modernisation … Lead rollout of 30+ AI/ML features including voice AI, automation, and predictive tools Overhaul the legacy CRM's UI/UX into a modern, high-performance platform Cybersecurity & Risk Management Own enterprise cybersecurity strategy, audits, and incident response Design post-attack processes and lead quarterly vulnerability assessments Infrastructure & Performance Optimise PHP/MySQL stack for speed More ❯

a high-growth UK business, is looking for an experienced and hands-on Head of IT to take full ownership of their technology evolution - from infrastructure to innovation, CRM performance to AI integration. This is a pivotal leadership role that combines technical depth, strategic oversight, and operational excellence. Based on-site in Manchester, you'll drive tangible change, scalability … and workflow automation. With strong foundations in place (PHP 8+, MySQL 8, Redis, AWS), the next step is transformation: AI/ML-powered automation Cybersecurity hardening Platform integration and performance optimisation The successful candidate will help position the business for scale, operational efficiency, and a potential future exit. What You’ll Be Doing: AI/Automation & CRM Modernisation … Lead rollout of 30+ AI/ML features including voice AI, automation, and predictive tools Overhaul the legacy CRM’s UI/UX into a modern, high-performance platform Cybersecurity & Risk Management Own enterprise cybersecurity strategy, audits, and incident response Design post-attack processes and lead quarterly vulnerability assessments Infrastructure & Performance Optimise PHP/MySQL stack for speed More ❯

development budget. Flexible working, Private healthcare, Pension, Eye-care, referral scheme etc. The Magento Developer will architect, develop, and maintain custom Magento 2 modules to meet business requirements, optimising performance whilst troubleshooting and resolving backend issues. You will ensure code quality through best practices, peer reviews, and automated testing as well providing guidance and technical expertise to junior developers.Since … rewarding with the opportunity to progress into leadership. Required: Magento 2 backend development experience PHP, MySQL REST API and GraphQL GIT, CI/CD Pipelines Systems architecture, service-side performance optimisation Excellent problem-solving skills The role will see you join an award-winning company that has partnered with some of the UK’s most established brands. The More ❯

development budget. Flexible working, Private healthcare, Pension, Eye-care, referral scheme etc. The Magento Developer will architect, develop, and maintain custom Magento 2 modules to meet business requirements, optimising performance whilst troubleshooting and resolving backend issues. You will ensure code quality through best practices, peer reviews, and automated testing as well providing guidance and technical expertise to junior developers. … rewarding with the opportunity to progress into leadership. Required: Magento 2 backend development experience PHP, MySQL REST API and GraphQL GIT, CI/CD Pipelines Systems architecture, service-side performance optimisation Excellent problem-solving skills The role will see you join an award-winning company that has partnered with some of the UKs most established brands. The interview More ❯

development budget. Flexible working, Private healthcare, Pension, Eye-care, referral scheme etc. The Magento Developer will architect, develop, and maintain custom Magento 2 modules to meet business requirements, optimising performance whilst troubleshooting and resolving backend issues. You will ensure code quality through best practices, peer reviews, and automated testing as well providing guidance and technical expertise to junior developers. … rewarding with the opportunity to progress into leadership. Required: Magento 2 backend development experience PHP, MySQL REST API and GraphQL GIT, CI/CD Pipelines Systems architecture, service-side performance optimisation Excellent problem-solving skills The role will see you join an award-winning company that has partnered with some of the UKs most established brands. The interview More ❯

Gradle and Git.· Strong understanding of mobile app architecture, design pattern and best practices.· Familiar with RESTful APIs, JSON, network framework and third party library integration.· Experience in handling performance optimisation, memory management and app security.· Good to have knowledge about testing frameworks.· Solid understanding of mobile app development life cycle.· Hand on experience on Version Control Systems More ❯

next generation of AI models on cutting-edge hardware, we'd love to hear from you! Responsibilities and Duties Implement the latest machine learning models and optimise them for performance and accuracy, scaling to 1000s of accelerators. Test and evaluate new internal software releases, provide feedback to software engineering teams, make vital code fixes, and conduct code reviews. Benchmark … models and key ML techniques to identify performance bottlenecks and improve model efficiency. Design and conduct experiments on novel AI methods, implement them and evaluate results. Collaborate with Research, Software, and Product teams to define, build, and test Graphcore's next generation of AI hardware. Engage with AI community and keep in touch with the latest developments in AI. … related field. Proficiency in deep learning frameworks like PyTorch/JAX. Strong Python software development skills (nice to have C other languages). Familiar with deep learning fundamentals: models, optimisation, evaluation and scaling. Capable of designing, executing and reporting from ML experiments. Ability to move quickly in a dynamic environment. Enjoy cross-functional work collaborating with other teams. Strong More ❯

next generation of AI models on cutting-edge hardware, we'd love to hear from you! Responsibilities and Duties Implement the latest machine learning models and optimise them for performance and accuracy, scaling to 1000s of accelerators. Test and evaluate new internal software releases, provide feedback to software engineering teams, make vital code fixes, and conduct code reviews. Benchmark … models and key ML techniques to identify performance bottlenecks and improve model efficiency. Design and conduct experiments on novel AI methods, implement them and evaluate results. Collaborate with Research, Software, and Product teams to define, build, and test Graphcore's next generation of AI hardware. Engage with AI community and keep in touch with the latest developments in AI. … related field. Proficiency in deep learning frameworks like PyTorch/JAX. Strong Python software development skills (nice to have C other languages). Familiar with deep learning fundamentals: models, optimisation, evaluation and scaling. Capable of designing, executing and reporting from ML experiments. Ability to move quickly in a dynamic environment. Enjoy cross-functional work collaborating with other teams. Strong More ❯

Responsibilities: Development, maintenance, production support and delivery of FoxPro based applications Collaborate with cross-functional teams including Designers, Product Owners, Managers, and Stakeholders Ensure high quality code standards, security, & performance optimisation Stay with current trends and new technologies Key Requirements: Strong knowledge of FoxPro, Git, Code Version Management Strong knowledge of data structures Hands on experience in working More ❯

world class AWS event driven design that delivers high performing Artificial Intelligence and Machine Learning services. This will be a challenging and varied position developing new features and APIs, performance optimisation, CICD and test suite improvement, updating core software and infrastructure libraries used across many client services, supporting Data Science and deploying ML systems. More ❯

multi-disciplinary team to deliver highly user focused and successful digital services ensuring governance standards are adhered to Assist in implementing toolkits and APIs for purposes such as integration, performance optimisation, security and scalability. Person specification Experience in delivering technical solutions Experience with modern delivery models such as Scrum and Agile Understanding of DevOps principles Experience of working More ❯

provide third-line support for critical systems, managing SQL Server, SharePoint, Azure services, web applications, and identity management infrastructure. Working in a dynamic team, you'll ensure system availability, performance optimisation, and deliver key upgrades and deployments. Key Responsibilities: Provide third-line support for database, web, and SharePoint platforms. Manage SQL Server estate, SharePoint environments, and Azure cloud … services. Deliver code releases, platform upgrades, and deployments. Optimise server performance and ensure systems are kept up to date. Lead on troubleshooting escalated technical issues and root cause analysis. Act as a technical lead, coaching junior team members and supporting wider business projects. Skills & Experience: Strong experience with Microsoft SQL Server, SharePoint, and Azure cloud services . Knowledge of … web application infrastructure, SSO, MFA , and identity management. Proven experience in system architecture, performance tuning, and troubleshooting . Project management skills and ability to lead on deployments and upgrades. Excellent stakeholder engagement and communication skills. This is an exciting opportunity to play a pivotal role in ensuring the stability and growth of business-critical systems. Interested? Click apply now More ❯

provide third-line support for critical systems, managing SQL Server, SharePoint, Azure services, web applications, and identity management infrastructure. Working in a dynamic team, you'll ensure system availability, performance optimisation, and deliver key upgrades and deployments. Key Responsibilities: Provide third-line support for database, web, and SharePoint platforms. Manage SQL Server estate, SharePoint environments, and Azure cloud … services. Deliver code releases, platform upgrades, and deployments. Optimise server performance and ensure systems are kept up to date. Lead on troubleshooting escalated technical issues and root cause analysis. Act as a technical lead, coaching junior team members and supporting wider business projects. Skills & Experience: Strong experience with Microsoft SQL Server, SharePoint, and Azure cloud services . Knowledge of … web application infrastructure, SSO, MFA , and identity management. Proven experience in system architecture, performance tuning, and troubleshooting . Project management skills and ability to lead on deployments and upgrades. Excellent stakeholder engagement and communication skills. This is an exciting opportunity to play a pivotal role in ensuring the stability and growth of business-critical systems. Interested? Click apply now More ❯

interfaces, deterministic data flows, and complex multi-threaded processing pipelines. This is a hands-on development role focused on the Linux environment, with additional contributions in system integration and performance analysis. The successful candidate will play a key role in enabling advanced test and validation capabilities for internal engineering teams. Key Responsibilities Design and develop real-time software for … threaded applications Implement deterministic data sequencing and synchronisation logic Collaborate with hardware teams for seamless integration and timing alignment Lead and support system-level integration, verification, and testing Conduct performance optimisation, profiling, and debugging Document architecture, interface specifications, and test procedures Required Skills & Experience Strong experience in C++ development on Linux platforms Proficiency in C# for tooling or … e.g., with PCIe cards) Experience building custom sequencing frameworks or state machines for test automation Familiarity with hardware-software integration and system-level debugging Solid grasp of software architecture, performance tuning, and memory management Proficient with version control tools (e.g., Git ) and CI/CD pipelines Desirable Skills Experience with SFPDP in defence, aerospace, or high-speed data acquisition More ❯

and supporting project delivery. Acting as the subject-matter expert for cloud-based data engineering. Ensure data governance, security, and compliance standards are met. Monitoring and troubleshooting data platform performance and issues. Automate data ingestion, transformation, and integration processes. Document technical solutions and maintain best practices. If you possess a combination of some of the following skills, then LETS … Factory, Data Lake, Synapse, Databricks, Azure SQL and Cosmos DB). Strong proficiency in designing and operating scalable data solutions and pipelines. Platform engineering - Terraform Familiar with Cloud security, performance optimisation and monitoring tools (Azure Monitor, Log Analytics). Experience in IT service management environments (ITIL). Cross-functional project delivery. Experience with ETL/ELT processes and More ❯

and forms Design of PowerApps integrations with other Azure components such as Logic Apps, Azure Service Bus and Azure Functions Consult on API designs for purposes such as integration, performance optimisation, security and scalability. You will work with service squads, project and operational teams, leading and owning elements of the technology architecture with a focus on Microsoft Azure. More ❯

CocoaPods, and Git.· Strong understanding of mobile app architecture, design pattern and best practices.· Familiar with RESTful APIs, JSON, network framework and third party library integration.· Experience in handling performance optimization, memory management and app security.· Good to have knowledge about testing frameworks.· Solid understanding of mobile app development life cycle.· Hand on experience on Version Control Systems & collaborative More ❯

business systems. Partner with key stakeholders to drive business process and system improvements. Support D365FO continuous deployment, enhancements, and user adoption. Identify and implement opportunities for automation, efficiency, and performance optimisation. Provide user training and ensure best practice in system use. Assist with application work prioritisation and IT budget collaboration with finance. Support junior team members as a senior More ❯

design and implementation of Salesforce Field Service solutions, ensuring alignment with business objectives and technical best practices. Guide architecture decisions for integrations, data migrations, data models, customizations, and platform performance optimization. Conduct code reviews to assess quality, adherence to coding standards, and optimal technical design. Troubleshoot complex technical issues and provide solutions for efficient resolution. Assist with development tasks More ❯

design and implementation of Salesforce Field Service solutions, ensuring alignment with business objectives and technical best practices. 2.Guide architecture decisions for integrations, data migrations, data models, customizations, and platform performance optimization. 3.Conduct code reviews to assess quality, adherence to coding standards, and optimal technical design. 4.Troubleshoot complex technical issues and provide solutions for efficient resolution. 5.Assist with development tasks More ❯

time between hands-on technical leadership and people management. You'll be leading a team of talented Java engineers, driving project delivery, shaping technical direction, and nurturing a high-performance engineering culture. What You'll Do Lead, mentor, and grow a team of backend engineers working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for … JVM-based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points For Experience in microservices architecture and containerization (Docker, Kubernetes) Exposure More ❯

time between hands-on technical leadership and people management. You'll be leading a team of talented Java engineers, driving project delivery, shaping technical direction, and nurturing a high-performance engineering culture. What You'll Do Lead, mentor, and grow a team of backend engineers working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for … JVM-based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points For Experience in microservices architecture and containerization (Docker, Kubernetes) Exposure More ❯

Robert Half are recruiting for a Contract Mobile Application Developer for a short-term engagement focused on code review, documentation, and recommendations for performance and efficiency improvements . The application is live on both Android and iOS , and the codebase is built using Xamarin (C#) with separate platform projects and a shared core. Key Responsibilities: Conduct a thorough code … review of the existing Xamarin solution Produce clear and structured technical documentation Identify opportunities for performance optimisation , codebase efficiency , and modernisation Provide actionable recommendations for future development and maintenance Key Technical Requirements: Strong experience with Xamarin.Forms or Xamarin Native (Android/iOS) Proficiency in C# , .NET , and Visual Studio Familiarity with mobile architecture , dependency injection , and cross-platform More ❯

engineering team. This is a hybrid role, with 2 days per week in their modern, collaborative office. You'll be working closely with backend teams to develop sleek, high-performance user interfaces using modern frontend tooling. This is a great opportunity to join a well-backed company with a real engineering culture and strong product vision. Key Skills & Experience … TypeScript Familiarity with Vite, Next.js, or other modern build tools Comfortable with component libraries and design systems Proficient in testing frameworks (e.g. Jest, React Testing Library) Good understanding of performance optimisation and accessibility best practices The ideal candidate will be proactive, collaborative, and keen to influence both tech and product direction. If you're looking for a high More ❯