1 to 25 of 326 Performance Optimisation Jobs in the UK excluding London

experience is beneficial, this is a frontend-first role , focusing primarily on responsive website development, headless CMS integration (ButterCMS, Contentful, etc.), WordPress customisation, and performance optimisation . Position Overview As a Frontend Developer , you will be responsible for building, optimising, and maintaining websites that elevate Phantom Hire’s … to ensure every website is fast, scalable, and visually engaging while following the latest front-end technologies and best practices. Key Responsibilities Develop high-performance, mobile-first websites using modern front-end technologies. Create engaging, SEO-optimised, and accessible website experiences with an emphasis on speed and user experience. … ES6+) Modern JavaScript frameworks (React, Vue, or similar) Headless CMS solutions (ButterCMS, Contentful, Strapi, or similar) WordPress theme customisation & plugin integration Expertise in website performance optimisation, Core Web Vitals, and SEO-friendly development . Experience with responsive design frameworks (Tailwind, Bootstrap, SCSS, Styled Components, etc.) . Knowledge of More ❯

West HQ. Modern Tech Stack: Get hands-on with Power BI, Microsoft Fabric, Python (PySpark), and SQL. High-Impact Projects: From predictive analytics to performance optimisation, your work will drive measurable results across retail, supply chain, and beyond. Why This Role? Strategic Influence: Your insights will land directly … Stack: Get hands-on with Power BI, Microsoft Fabric, Python (PySpark), and SQL-no legacy reporting here. High-Impact Projects: From predictive analytics to performance optimisation, your work will drive measurable results across retail, supply chain, and beyond. Join a business that's investing heavily in data transformation More ❯

West HQ. Modern Tech Stack: Get hands-on with Power BI, Microsoft Fabric, Python (PySpark), and SQL. High-Impact Projects: From predictive analytics to performance optimisation, your work will drive measurable results across retail, supply chain, and beyond. Why This Role? Strategic Influence: Your insights will land directly … Stack: Get hands-on with Power BI, Microsoft Fabric, Python (PySpark), and SQL-no legacy reporting here. High-Impact Projects: From predictive analytics to performance optimisation, your work will drive measurable results across retail, supply chain, and beyond. Join a business that's investing heavily in data transformation More ❯

provide expert-level database support. Key Responsibilities: Database Administration: Oversee the installation, configuration, maintenance, and upgrade of PostgreSQL databases to ensure stability and reliability. Performance Optimisation: Enhance database performance through effective query tuning, indexing strategies, and schema optimisation - particularly in data warehousing environments. Backup & Recovery: Develop … the ability to write complex queries, functions, and procedures. Solid understanding of relational database design principles, normalisation, and data modelling. Proven experience in database performance tuning and query optimisation, especially in high-volume or data warehousing environments. Strong knowledge of backup, restore, and disaster recovery strategies using PostgreSQL … tools. Familiarity with database security best practices, including role-based access control and encryption. Excellent problem-solving and analytical abilities to diagnose and resolve performance and reliability issues. Strong communication skills and the ability to collaborate effectively with cross-functional teams. Contract Details: Duration: 6 months Location: Norwich, UK More ❯

hardware options and cloud platforms (AWS, Azure, or Google Cloud). Knowledge of containerization technologies (Docker, Kubernetes). Understanding of microservices architecture. Experience with performance optimization and scalability. Contributions to open-source projects. Strong proficiency in at least one major programming language (e.g., Python, Java, C++, JavaScript) Experience with More ❯

hardware options and cloud platforms (AWS, Azure, or Google Cloud). Knowledge of containerization technologies (Docker, Kubernetes). Understanding of microservices architecture. Experience with performance optimization and scalability. Contributions to open-source projects. 5+ years of professional software development experience. Strong proficiency in at least one major programming language More ❯

Jenkins, GitLab, Bitbucket Ensure efficient and reliable build, test, and deployment processes. Collaborate with development teams to improve CI/CD practices. Monitoring and Performance Optimisation: Implement monitoring tools and practices to ensure the reliability and performance of infrastructure and applications. Identify and resolve performance bottlenecks More ❯

of front-end updates and enhancements for our websites. You will work closely with cross-functional teams to deliver visually appealing, highly functional, and performance-optimised platforms that delight our users. Key Responsibilities Front-End Development : Implement new features, components, and layouts using WordPress, HTML5, CSS3, and JavaScript. Content … Update and maintain website content in alignment with branding and SEO strategies. Responsive Design : Ensure a flawless user experience across all devices and browsers. Performance Optimisation : Optimise website performance, including loading speed, code structure, and accessibility. Collaboration : Work with team members to enhance various aspects of UX … customising WordPress themes or resolving back-end issues. Knowledge of version control systems (e.g., Git). Understanding of Web Core Vitals and Google’s performance metrics. Ability to develop custom WordPress themes and child themes. Qualifications and Experience: Proven track record as a WordPress developer, with a portfolio demonstrating More ❯

to deployment. Key tasks Develop, maintain and manage WordPress sites hosted in Microsoft Azure Integrate with third-party APIs to extend site functionality Ensure performance, security and accessibility best practices are met Take the lead in troubleshooting and resolving technical issues Work with our UX and Customer Applications Product … and deployment workflows Proven track record of independently delivering solutions and features Comfortable managing your own time and communicating clearly Good understanding of website performance optimisation and website security Desirable Experience working with Microsoft Azure Familiarity with front-end frameworks (e.g. Angular, React) Familiarity with Azure DevOps for More ❯

Game Optimisation Engineer (12-month Contract) If you are an outstanding and passionate game developer with a keen eye for performance optimisation and you love the idea of making a positive impact on the next generation of AAA mobile games, then this will be a fantastic opportunity … manufacturer that’s dedicated to delivering outstanding real-time gaming experience to its users. Working Pattern - Hybrid Your Role Your role as a Games Optimisation Engineer will give you the opportunity to collaborate with a talented team of engineers and game developers to optimise game performance, develop R … mobile games on the company’s hardware. Your experience and knowledge will be a valuable resource as you analyse mobile games, provide insights to performance as well as take the lead on R&D projects, develop game engine plugins, APIs, and demos to facilitate game development and iteration. About More ❯

on distributed GPU clusters (Slurm, Ray, Kubeflow, or AWS SageMaker). Optimize model‑serving (Triton, vLLM, TorchServe) for low‑latency, high‑throughput inference. Cost & Performance Optimization Track cloud spend, right‑size resources, and introduce autoscaling strategies (Karpenter, Cluster‑Autoscaler, HPA/VPA). Champion FinOps best practices and forecasting. More ❯

connectivity solutions using MuleSoft Anypoint Platform. • Create and maintain RAML and OpenAPI specifications for RESTful APIs. • Ensure best practices in API security, governance, and performance optimization. • Perform unit testing and integration testing to validate API functionality and reliability. • Troubleshoot and resolve technical issues in integration services. • Work with CI More ❯

Project management : Lead web-based marketing initiatives, ensuring delivery on time and within budget, while collaborating with internal teams and external agencies. SEO and performance optimisation : Enhance search engine rankings and overall website performance using expert-level SEO strategies and optimisation techniques. Collaborate with teams : Work … closely with cross-functional teams to identify opportunities for improvement and provide web development expertise that drives results. Key Performance Indicators: Increase in web traffic, user engagement, and conversions. Improvement in search engine rankings and website performance metrics. Positive ROI on digital marketing campaigns. Consistency in brand messaging … knowledge of PHP, HTML, CSS, and JavaScript. Skilled in front-end and back-end development. Expertise in UX/UI design principles, conversion rate optimisation, and web performance. Digital marketing : Proven ability in SEO, paid advertising, and leveraging the Google Marketing Platform. Security expertise : Knowledge of website security best More ❯

management tasks, such as creating project schedules, budgets, and resource allocation plans. Technical Analysis: Conduct technical analyses, calculations, and simulations to optimize data center performance and energy efficiency. Documentation: Create and maintain comprehensive engineering documentation, including schematics, diagrams, and technical reports. Quality Assurance: Perform quality control checks to ensure … Health (MEP) division: Our MEP team are specialists in energy, sustainability, and engineering design. We bring buildings to life and create award winning, high-performance environments that enhance the built environment - working across all sectors including commercial, industrial, leisure, retail, manufacturing, logistics, heritage and residential. Our work includes: Building … performance modelling Building performance optimisation Carbon verification and validation strategies Daylight and sunlight studies Net-Zero strategy Sustainability benchmarking and environmental assessments Sustainable master planning Strategic utility management services We offer a fresh approach to MEP, getting involved early, working collaboratively with the design team, highlighting options More ❯

Azure, or equivalent). Database & API Management – Design efficient PostgreSQL and MongoDB schemas and develop secure RESTful/GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and More ❯

ensure that our websites are fast, responsive, and high-performing. Key Responsibilities: Lead the full-stack development of complex websites, ensuring optimal user experience, performance, and scalability. Design and implement website architecture, functionality, and integrations with other platforms. Collaborate with design and marketing teams to ensure the website aligns … with brand requirements and provides a user-friendly experience. Optimise website speed and performance for various devices and browsers. Troubleshoot and resolve technical issues, ensuring seamless website functionality. Stay updated with the latest trends and best practices in website development and digital technologies. Regularly maintain and update websites to … knowledge of website architecture, coding practices, and best development methodologies. Strong experience with responsive design and ensuring websites are mobile-friendly. Experience with website performance optimisation and debugging. Strong problem-solving skills and the ability to adapt to new challenges. Excellent communication skills and the ability to work More ❯

+ bonus and excellent benefits We are looking for a Senior Front-End Software Engineer to design, develop, and optimise high-performance B2C websites and shopping apps that enhance customer experience and business growth. Key Responsibilities: Develop and maintain scalable, secure, and responsive web pages using HTML5, CSS, jQuery … and Microsoft ASP. Build and optimise cross-platform shopping apps using Apache Cordova and Ionic. Enhance front-end performance, ensuring fast load times, smooth interactions, and accessibility compliance. Work closely with UX designers, back-end developers, and digital teams to integrate front-end solutions with marketing data layers for … advanced analytics and A/B testing. Collaborate with DevOps engineers to integrate CI/CD pipelines and monitor front-end performance using New Relic. Stay up to date with emerging front-end technologies and E-Commerce trends. What Were Looking For: Extensive experience in software development, including in More ❯

+ bonus and excellent benefits We are looking for a Senior Back-End Software Engineer to design, develop, and maintain secure, scalable, and high-performance back-end services for a B2C e-commerce platform. Key Responsibilities: Develop and maintain robust, scalable, and secure back-end services for e-commerce … functionalities, including product search, checkout, order tracking, and customer authentication. Collaborate with DevOps engineers to integrate CI/CD pipelines and monitoring tools for performance optimisation. Implement and support caching mechanisms and performance enhancements to improve response times. Ensure security best practices for authentication, authorisation, and data protection … . Experience with Agile methodologies (Scrum, Kanban) and CI/CD pipelines (GitLab, Jenkins, Selenium). Strong understanding of caching strategies, load balancing, and performance optimisation techniques. More ❯

developing data models and ETL processes; to driving value through dashboards or business applications. Integrating AI tools and LLMs to unlock valuable insights, optimise performance, and automate business processes will also be a part of this role. Responsibilities Customer Engagement and Enablement: Act as a trusted advisor for named … transformation, and visualisation Develop and optimise data models, ETL processes, Workflows and dashboards within the platform Provide best practices for analytics pipelines, integration strategies, performance optimisation and data governance and AI readiness Leverage AI capabilities within the platform and integrate external AI tools and LLMs to enhance data More ❯

developing data models and ETL processes; to driving value through dashboards or business applications. Integrating AI tools and LLMs to unlock valuable insights, optimise performance, and automate business processes will also be a part of this role. Responsibilities Customer Engagement and Enablement: Act as a trusted advisor for named … transformation, and visualisation Develop and optimise data models, ETL processes, Workflows and dashboards within the platform Provide best practices for analytics pipelines, integration strategies, performance optimisation and data governance and AI readiness Leverage AI capabilities within the platform and integrate external AI tools and LLMs to enhance data More ❯

Unity Technology and Optimisation Programmer About Sporty Games Sporty consistently tops the charts as one of, if not the most used, sports betting websites in the countries we operate in. With millions of weekly active users, we strive to be the best in the industry for our users. We … of something massive. About The Role - Sporty Games UK is looking for a Unity developer with in-depth knowledge and experience in optimising game performance across multiple platforms, including mobile. - The ideal candidate will approach tasks with a focus on performance optimisation from the start. They must … development, working in a team on any of the stated platforms - In-depth knowledge of the C# language - Experience using Unity's profiler and performance analysis tools - Experience using Visual Studio for development, testing and debugging - The desire to learn as new technologies are released, and an ability to More ❯

connected to the web platforms. All WordPress plugins remain up to date, and all security aspects are covered. Ensure that payment gateways are maintained. Performance Optimisation: Monitor website performance using website analytics tools such as Google Analytics 4, Google Console, and Semrush. Ensure that the website integrations More ❯

technical tasks. Drive best practices in software engineering, including DevSecOps, CI/CD, and automated testing strategies. Mentor and support engineers, fostering a high-performance culture and helping team members grow technically. Ensure usability by following web standards and responsive design principles. Identify and address technical debt, balancing feature … development with long-term system improvements. Research and evaluate new technologies, recommending innovations that enhance performance, security, and developer productivity. Contribute to the technical strategy, aligning Frontend development with business objectives and future growth. What you will be responsible for Driving best practices in frontend development, including code quality … UX consistency. Collaborating with the Lead Backend Engineer to align frontend development with the overall platform strategy. Leading and mentoring engineers, fostering a high-performance culture aligned with Vypr’s values. Driving best practices in frontend development, including code quality, performance, and UI/UX consistency. What you More ❯

ll be doing: Public Cloud Infrastructure Management which involves provisioning, configuration and maintaining various Cloud resources to ensure scalability, reliability and security. Monitoring and Performance Optimisation by implementing monitoring solutions to track performance and identify areas for optimisation to enhance user experience and automate improvements where More ❯

ll be doing: Public Cloud Infrastructure Management which involves provisioning, configuration and maintaining various Cloud resources to ensure scalability, reliability and security. Monitoring and Performance Optimisation by implementing monitoring solutions to track performance and identify areas for optimisation to enhance user experience and automate improvements where More ❯