1 to 25 of 3,924 Performance Optimisation Jobs in the UK

mobile application, leading its development from 0 to 1. This role will be crucial in establishing the foundation of our mobile experience, ensuring high performance, scalability, and adherence to best practices from day one. As a key player, you'll also be instrumental in upskilling our existing React developers … What You'll Be Doing: Lead Mobile Application Development: Lead the development of our new mobile application, ensuring it delivers a seamless and high-performance user experience across both iOS and Android. Own the architecture and make critical technical decisions, establishing best practices for mobile development from the outset. … transition into React Native and mobile development. Share best practices and knowledge to improve the team's overall mobile development competency. Ensure Mobile App Performance: Ensure mobile app performance is optimal across different devices and platforms, focusing on speed, responsiveness, and stability. Use mobile performance optimisation More ❯

Disney+ across Europe, Middle East and Africa, with a specific focus on customer acquisition and retention, marketing, partnerships, content programming, research and analytics. The Performance Optimisation Coordinator, a pivotal member within thePerformance Marketing Team, plays a crucial role in driving Disney+ subscriber growth. Reporting to theSenior Acquisition Manager … they are responsible for overseeing and executing budget allocations across markets and driving performance insights. This individualtrack and optimizesmulti-channel marketing budgets aimed at maximizing subscriber acquisition. They leverage a mix of paid media and emerging platforms toenhance visibility, drive conversions, and reduce cost-per-acquisition (CPA). Beyond … acquisition efforts, they alsoown the day-to-day budgeting for all performance marketing channels, ensuring that these align with financial goals. Their leadership extends to dashboard development, forecasting, and performance analysis to continuously ensure effectiveness. Collaboration is key in this role, as the Performance Optimisation Coordinator More ❯

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 . We are looking for a Frontend Developer to lead the development of high-end, visually stunning, and high-performing websites. This … 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. More ❯

Tech Lead, Inference Performance, Onboard London At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or … environment; we back each other to deliver impact. Make Wayve the experience that defines your career! The role As the Technical Lead for the Performance Optimisation Team at Wayve, you will play a key role in equipping the company with the tools and strategies needed to ensure its … onboard software operates efficiently and reliably. You will lead the development of advanced profiling tools and performance analysis techniques, enabling a deep understanding of the software’s computational requirements. You will also use these tools to ensure that critical systems, such as AI inferencing, meet stringent timing and performance More ❯

drive our technology initiatives forward and inspire excellence. You'll be a confident, approachable and supportive leader focused on raising standards of quality and performance, as well as collaborative team working. You'll be a natural coach and problem solver, skilled at helping team members find their own answers … teams across multiple locations, fostering a culture of innovation, collaboration and continuous improvement. Mentoring and developing our talented team members, including hiring, training and performance evaluation. Project Oversight and Practices Overseeing the design, development and delivery of high-quality Payroll and HCM solutions and services. Ensuring adherence to best … processes, manage cloud services, and maintain system uptime. Ensuring the continuous delivery and high availability of software services. GraphQL and API Management Implementing data performance, including GraphQL APIs, to optimise data fetching and improve client-server interactions. Ensuring the security, scalability and performance of GraphQL endpoints. Database Performance More ❯

The role As the Technical Lead for the Performance Optimisation Team at Wayve, you will play a key role in equipping the company with the tools and strategies needed to ensure its onboard software operates efficiently and reliably. You will lead the development of advanced profiling tools and … performance analysis techniques, enabling a deep understanding of the software’s computational requirements. You will also use these tools to ensure that critical systems, such as AI inferencing, meet stringent timing and performance constraints. By architecting scalable and robust solutions, you will empower the team to optimise performance … fostering a culture of technical excellence. You will work closely with the team’s manager to shape and deliver a roadmap that prioritises impactful performance analysis and optimisation initiatives. Beyond providing technical guidance, you will establish best practices in profiling and performance engineering, ensuring the team is More ❯

memory management, multi-threading, and platform-specific optimisation. Taking ownership of complex engine systems, from initial design through to development and maintenance, ensuring scalability, performance, and maintainability. Conducting detailed performance analysis, profiling engine systems to identify and resolve bottlenecks, and implementing low-level optimisations to maximise efficiency. Collaborating … tailored to specific hardware requirements. What we are looking for from a Third Kinder You would: Develop and maintain core engine systems, focusing on performance, memory efficiency, and multi-platform compatibility. Optimise engine code for better performance, including areas like memory management, real-time processing, and multithreading. Troubleshoot … game development, with a focus on engine programming and systems-level development. Experience with console development (Xbox, PlayStation, Nintendo) and knowledge of platform-specific optimisation techniques. Extensive knowledge of Unreal Engine or similar game engines, particularly in engine-level programming. Strong proficiency in C++ (and ideally in C# as More ❯

the development lifecycle of new features, from concept through to production, ensuring a seamless user experience. Technical Excellence: Architect, design, and implement complex, high-performance mobile applications, utilising modern iOS development frameworks and best practices. User-Focused Solutions: Advocate for the user at every stage, ensuring our iOS app … culture. Data-Driven Iteration: Collaborate with data teams to leverage analytics and user feedback to continuously improve and refine product features post-launch. Quality & Performance: Ensure the codebase remains scalable, maintainable, and efficient through best-in-class engineering practices, including code reviews, CI/CD, and automated testing. We … and QA to drive product outcomes. Data-Informed Decision-Making: Familiarity with mobile analytics and a data-driven approach to iterating on user experience. Performance Optimisation: Deep understanding of iOS performance optimisation techniques to ensure smooth, responsive, and high-performing applications under a variety of conditions. More ❯

passion for leadership, we invite you to make a significant impact with us. How you'll make an impact Lead the design, development, and optimisation of Angular-based frontend applications. Provide technical direction and mentoring to frontend developers, promoting knowledge-sharing and consistent standards. Establish and maintain reusable UI … secure programming practices, with a focus on reducing duplication and improving maintainability across codebases. Review and approve code to ensure alignment with architectural principles, performance benchmarks, and maintainability goals. Work closely with design and backend teams to ensure seamless integration of UI with APIs and backend services. Establish and … identify and resolve technical risks and issues that may impact delivery. Contribute to solution architecture, particularly in frontend-related domains ( component structure, state management, performance tuning). Promote the adoption of modern frontend tooling and development workflows (CI/CD, automated testing, static analysis). Lead or contribute to More ❯

passion for leadership, we invite you to make a significant impact with us. How you'll make an impact Lead the design, development, and optimisation of Angular-based frontend applications. Provide technical direction and mentoring to frontend developers, promoting knowledge-sharing and consistent standards. Establish and maintain reusable UI … secure programming practices, with a focus on reducing duplication and improving maintainability across codebases. Review and approve code to ensure alignment with architectural principles, performance benchmarks, and maintainability goals. Work closely with design and backend teams to ensure seamless integration of UI with APIs and backend services. Establish and … identify and resolve technical risks and issues that may impact delivery. Contribute to solution architecture, particularly in frontend-related domains ( component structure, state management, performance tuning). Promote the adoption of modern frontend tooling and development workflows (CI/CD, automated testing, static analysis). Lead or contribute to More ❯

passion for leadership, we invite you to make a significant impact with us. How you'll make an impact Lead the design, development, and optimisation of Angular-based frontend applications. Provide technical direction and mentoring to frontend developers, promoting knowledge-sharing and consistent standards. Establish and maintain reusable UI … secure programming practices, with a focus on reducing duplication and improving maintainability across codebases. Review and approve code to ensure alignment with architectural principles, performance benchmarks, and maintainability goals. Work closely with design and backend teams to ensure seamless integration of UI with APIs and backend services. Establish and … identify and resolve technical risks and issues that may impact delivery. Contribute to solution architecture, particularly in frontend-related domains ( component structure, state management, performance tuning). Promote the adoption of modern frontend tooling and development workflows (CI/CD, automated testing, static analysis). Lead or contribute to More ❯

passion for leadership, we invite you to make a significant impact with us. How you'll make an impact Lead the design, development, and optimisation of Angular-based frontend applications. Provide technical direction and mentoring to frontend developers, promoting knowledge-sharing and consistent standards. Establish and maintain reusable UI … secure programming practices, with a focus on reducing duplication and improving maintainability across codebases. Review and approve code to ensure alignment with architectural principles, performance benchmarks, and maintainability goals. Work closely with design and backend teams to ensure seamless integration of UI with APIs and backend services. Establish and … identify and resolve technical risks and issues that may impact delivery. Contribute to solution architecture, particularly in frontend-related domains ( component structure, state management, performance tuning). Promote the adoption of modern frontend tooling and development workflows (CI/CD, automated testing, static analysis). Lead or contribute to More ❯

work. Our AI solutions enhance efficiency, spark creativity, and drive insightful decision-making, empowering our teams to produce innovative and impactful results. Role: AI Performance Marketing Lead Location: London, England, United Kingdom (3 days a week from our London offices) About the role: Working in partnership with our client … we are looking for an AI Performance Marketing Lead. As a Performance Marketing Lead, you'll play a crucial role in our content studio. You'll focus on optimizing and amplifying our media campaigns to achieve outstanding client outcomes. Your strategic insight and analytical prowess will help us … our approaches to media performance. What you will be doing: Strategy: Support to d evelop and execute data-driven media strategies to enhance content performance Support to a lign media performance marketing strategy with overarching Wella Company client media strategy objectives Support to define p ropose d target More ❯

work. Our AI solutions enhance efficiency, spark creativity, and drive insightful decision-making, empowering our teams to produce innovative and impactful results. Role: AI Performance Marketing Lead Location: London, England, United Kingdom (3 days a week from our London offices) About the role: Working in partnership with our client … we are looking for an AI Performance Marketing Lead. As a Performance Marketing Lead, you'll play a crucial role in our content studio. You'll focus on optimizing and amplifying our media campaigns to achieve outstanding client outcomes. Your strategic insight and analytical prowess will help us … our approaches to media performance. What you will be doing: Strategy: Support to d evelop and execute data-driven media strategies to enhance content performance Support to a lign media performance marketing strategy with overarching Wella Company client media strategy objectives Support to define p ropose d target More ❯

job is brought to you by Jobs/Redefined, the UK's leading over-50s age inclusive jobs board. Job Description Role: Product Manager - Performance & SEO Location: London Bridge Contract: Permanent The Times informs, entertains, campaigns and innovates. Our technology team is at the heart of this innovation and … of both the Product team and The Times as a whole, you will be responsible for executing the Product strategy and directing the Product Performance tribe. The tribe is made up of cross-functional squads of Product, Design and Business Analysis. Supported by a dedicated Delivery and Engineering team. … Role: You will own and drive our digital product strategies focused on organic search performance, website optimisation, and site performance.This role will work at the intersection of SEO, user experience, and product development to enhance website visibility, drive traffic growth, and improve digital performance. Day to day you More ❯

leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web Front End and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software … caching tools and techniques, eg Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you're a part More ❯

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 ❯

reporting, and operations. Reporting to the Lead Data Engineer, you will collaborate closely with the Data Engineering team and business stakeholders to optimise database performance, troubleshoot issues, and ensure high availability and security across all environments. This role will combine hands-on technical expertise with thought leadership, helping shape … continuous improvement to unlock the full potential of Pret’s data. Responsibilities Take ownership of Pret’s MSSQL Server and Snowflake environments, ensuring high performance, reliability, and scalability. Design, implement, and optimise database architectures and data storage solutions to support data pipelines and analytics requirements. Monitor, troubleshoot, and resolve … database performance issues, including query optimisation, indexing, and resource management. Collaborate with the Lead Data Engineer and Data Engineering team to build and maintain efficient ETL processes for ingesting and transforming data. Lead database backup and recovery strategies, ensuring data integrity, availability, and compliance with business requirements. Drive More ❯

leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software … caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you’re a part More ❯

leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software … caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you’re a part More ❯

leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software … caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you’re a part More ❯

Engineer, you will be at the core of our technology team, tackling complex challenges in a high-traffic environment. Your focus will be on performance optimisation, system resilience, and security. You will collaborate with engineers, influence architecture decisions, and advocate for the best tools and methodologies to drive … efficiency and reliability. Key Responsibilities: Optimise and scale our global eCommerce platform to handle high-volume traffic. Proactively identify and resolve system bottlenecks, improving performance and efficiency. Implement and manage Infrastructure as Code (IaC) using Terraform. Enhance system resilience and prevent incidents before they occur. Work with AWS, focusing … on Edge computing and CDN edge optimisation, particularly AWS CloudFront. Ensure security best practices in eCommerce applications. Collaborate with cross-functional teams to drive architectural improvements and technical innovation. Promote automated deployments and continuous delivery practices. We are looking for: A well-organised, self-motivated problem solver with a More ❯

will involve working closely with the Heads of Technology, Software Architects and team leads, so strong stakeholder management ability is crucial. Duties: Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software … caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you're a part More ❯

user experiences, Collaborate with cross-functional teams, including product managers, designers, and backend engineers, to integrate user interfaces with backend services and APIs, Drive performance optimisation initiatives by implementing best practices in front-end development, including code splitting, lazy loading, and efficient state management, Mentor and guide junior … deployment (CI/CD) pipelines, In-depth understanding of web accessibility standards and best practices to ensure inclusive user experiences, Proven track record of performance optimisation techniques, including code splitting, lazy loading, and minimising render times, Strong leadership skills with experience in mentoring and guiding junior developers. Benefits More ❯

work. Our AI solutions enhance efficiency, spark creativity, and drive insightful decision-making, empowering our teams to produce innovative and impactful results. Role: AI Performance Marketing Executive Location: London, England, United Kingdom (3 days a week from our London office) About the role: As a Media Performance Marketing … us fine-tune our approaches to media performance. What you will be doing: Strategy: Support to execute data-driven media strategies to enhance content performance Support to align media performance marketing strategy with overarching Wella Company client media strategy objectives Support to define and propose target audience groups … live’, and post ‘go-live’ Media management: Manage and oversee all connected media platforms, ensuring proper integration with Creative X platform/analytics tools Performance: Establish key performance metrics and analyze media campaign results to identify opportunities for optimization Performance prediction: Analyze and report on historical data More ❯