1 to 25 of 504 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 ❯

Warehouse: Take ownership of our Snowflake platform to ensure it is a highly efficient and accessible resource for the business. Implement best practices for performance optimisation, scalability, and cost management, empowering teams to access and utilise data seamlessly. Streamline Data Pipelines: Lead the development and optimisation of … the adoption of innovations that enhance our data engineering capabilities, ensuring we remain competitive and forward-thinking. The requirements Essential: Expertise in Snowflake, including performance optimisation, cost management, and advanced data warehousing techniques. Experience in designing and implementing scalable data architectures that meet the needs of complex, data … But, we're open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development of our 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 ❯

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 ❯

Product Director to lead our Collections & Customer Management division in the UK&I. This strategic role is responsible for driving product innovation, enhancing operational performance, and managing a high-stakes portfolio with a $50 million P&L. The ideal candidate will bring a deep understanding of the collections market … Drive innovation and continuous improvement across the product portfolio, ensuring competitive differentiation and customer-centric solutions. Oversee a $50 million portfolio, ensuring robust financial performance, cost optimisation, and revenue growth. Collaborate with finance and operations teams to set targets, monitor performance metrics, and implement corrective measures as … necessary. Lead the end-to-end product lifecycle from ideation and development through to launch, performance optimisation, and eventual retirement. Continuously monitor market trends, regulatory changes, and competitor activities to identify opportunities and mitigate risks. Leverage industry insights and customer feedback to refine product offerings and enhance market More ❯

ideal candidate will be familiar with Terraform, DevOps practices, and the use of RMAN for Oracle database backups. This position involves database design, deployment, optimisation, automation, performance tuning, and incident resolution. Collaboration with developers, architects, and DevOps teams is essential to ensure that data infrastructure meets business needs … databases. Integrate database management into CI/CD pipelines using tools like GitLab CI or GitHub Actions. Use CloudWatch or other tools to monitor performance, database health, and availability. Collaborate with DevOps, Security, and Engineering teams to align database strategies with overall platform architecture. Troubleshoot complex incidents and optimise … PostgreSQL. Experience with Aurora PostgreSQL or Oracle Goldengate. Proficiency in SQL, PL/SQL, and understanding of PostgreSQL functions and extensions. Skills in SQL performance optimisation including indexing strategies, execution plan analysis, and understanding database internals. Exposure to automation tools like Terraform, CloudFormation, Ansible, or scripting in Python More ❯

and model training infrastructure, ensuring scalability and efficiency. ? Data Governance: Implement and enforce data quality, integrity, and governance standards across all data engineering processes. ? Performance Optimisation: Monitor and optimise the performance of AI models and data pipelines, implementing best practices in observability and monitoring. ? Cross-Functional Collaboration More ❯

channels. A high-impact, strategic role for a commercially-minded media expert. The Opportunity We are hiring a Digital Media Strategist to drive the optimisation of paid media performance across a multi-brand, multi-market environment. Managing £12–13 million in annual spend across 25+ countries and 4+ … responsible for maximising ROI, resolving inefficiencies, and supporting growth across a portfolio of premium travel and lifestyle brands. You will analyse spend and channel performance, allocate budgets intelligently, and create performance forecasts to drive strategic decision-making. A particular focus will be on Paid Search, where you’ll … e.g., internal competition in paid search auctions). Build and implement intelligent bidding strategies at the keyword level across brands and channels. Forecast seasonal performance and model future spend scenarios to drive commercial planning. Monitor and report on channel effectiveness, ensuring budgets are allocated to maximise ROI and revenue More ❯

channels. A high-impact, strategic role for a commercially-minded media expert. The Opportunity We are hiring a Digital Media Strategist to drive the optimisation of paid media performance across a multi-brand, multi-market environment. Managing £12–13 million in annual spend across 25+ countries and 4+ … responsible for maximising ROI, resolving inefficiencies, and supporting growth across a portfolio of premium travel and lifestyle brands. You will analyse spend and channel performance, allocate budgets intelligently, and create performance forecasts to drive strategic decision-making. A particular focus will be on Paid Search, where you’ll … e.g., internal competition in paid search auctions). Build and implement intelligent bidding strategies at the keyword level across brands and channels. Forecast seasonal performance and model future spend scenarios to drive commercial planning. Monitor and report on channel effectiveness, ensuring budgets are allocated to maximise ROI and revenue 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 ❯

annual web content reach over 350million. And we're a long way from done! PAID SEARCH AT CARWOW Join a focused and results-oriented Performance Marketing team where paid search is a core pillar of Carwow's profitable success. We are a collaborative group that thrives on smart prioritisation … and a proactive approach to testing new performance channels. Our focus is on maximising impact and efficiency, working closely across markets and products to achieve ambitious goals. We value innovation and constantly seek opportunities to refine our processes and leverage automation. If you're driven by results and want … to make a significant contribution to a successful business, this is an excellent opportunity. YOUR MISSION As Performance Marketing Manager, your core mission is to maximise carwow's growth through the strategic and expert management of our paid search, Performance Max, and Vehicle Ads. You'll be responsible 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 ❯

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 ❯

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 ❯

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 ❯

needs internally. Champion user research to focus on all users. Prioritise and define approaches to understand the user story, guiding others in doing so. Performance optimisation: Show an awareness of the principles of web performance and how poor performance can negatively affect user experience. Support activities … ensure our codebase and output is compliant So, what's in it for you? Bonus Schemes - A bonus that regularly rewards you for your performance A pension of up to 12%- We will match your contributions up to 6% of your salary Our award-winning Vitality health insurance - With More ❯

needs internally. Champion user research to focus on all users. Prioritise and define approaches to understand the user story, guiding others in doing so. Performance optimisation: Show an awareness of the principles of web performance and how poor performance can negatively affect user experience. Support activities … ensure our codebase and output is compliant. So, what's in it for you? Bonus Schemes - A bonus that regularly rewards you for your performance A pension of up to 12%- We will match your contributions up to 6% of your salary Our award-winning Vitality health insurance - With 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 ❯

coding standards within the team. Cross-Functional Collaboration: Collaborate with cross-functional teams, including Designers, Testers, and Project Managers, to deliver high-quality software. Performance Optimization: Identifying bottlenecks, optimizing database queries, and implementing performance improvements to backend systems. Cloud Infrastructure: Expertise in deploying and managing backend systems on … with containerization technologies (Docker, Kubernetes). Willingness to challenge the process and existing ways of working. Any additional experience including MongoDB or Hazelcast and performance optimisation of web technologies. What is in it for me? £65,000 - £75,000 per annum, depending on experience. Flexi-time (start anywhere More ❯

well-defined features. Feature Ownership: Take end-to-end responsibility for smaller enhancements or contribute to larger team-led initiatives including mobile UI and performance optimizations. Testing & CI/CD: Write and maintain automated tests using tools like Cucumber and Selenium. Contribute to deployment pipelines using Jira, Bitbucket, Maven More ❯

Expertise in front-end technologies: ReactJS, Redux, TypeScript/JavaScript, HTML5, CSS3/SASS Strong experience with component-based architecture, accessibility, responsive design, and performance optimization Solid back-end development skills in Java, Spring Boot, JPA, and RESTful microservices Database proficiency , particularly with MS SQL Server Hands-on with More ❯

Expertise in front-end technologies: ReactJS, Redux, TypeScript/JavaScript, HTML5, CSS3/SASS Strong experience with component-based architecture, accessibility, responsive design, and performance optimization Solid back-end development skills in Java, Spring Boot, JPA, and RESTful microservices Database proficiency , particularly with MS SQL Server Hands-on with More ❯

Typescript, Kotlin Strong knowledge of data orchestration technologies - e.g., Apache Airflow, Dagster, AWS Step Functions Understanding of ETL/ELT workflows, data modeling, and performance optimization for both batch and real-time processing. Commitment to Diversity, Equity, and Inclusion: At T. Rowe Price, our associates are our greatest asset. More ❯