101 to 125 of 4,239 Performance Optimisation Jobs in the UK

scale trading platforms that provide Keyrock with a competitive advantage. You will oversee the entire development lifecycle - from initial architecture and code reviews to performance optimisation and continuous deployment - harmonising strategic vision with hands-on engineering. You will foster a culture of innovation and collaboration, working closely with … Research and Operations to translate strategic objectives into scalable systems and measurable outcomes. Ultimately, you will ensure the delivery of secure, reliable and high-performance solutions that maintain Keyrock’s market leadership. Job Description Lead and manage a team of talented engineers, fostering a culture of innovation, collaboration, and … excellence. Drive the design, development, and maintenance of high-concurrency, high-performance trading systems. Collaborate closely with product management to align engineering efforts with product goals and roadmap. Implement and enforce best practices in software development, including code reviews, testing methodologies, and deployment strategies. Ensure the scalability, reliability, and More ❯

on experience with modern DevOps practices including Git, CI/CD pipelines, automated testing, and monitoring tools. Solid understanding of software security, accessibility, and performance optimization. Experience with Agile methodologies and tools like Jira and Confluence. Proven ability to collaborate cross-functionally with product managers, UX designers, data scientists More ❯

on experience with modern DevOps practices including Git, CI/CD pipelines, automated testing and monitoring tools. · Solid understanding of software security, accessibility, and performance optimisation. · Experience in Agile methodologies and tools like Jira and Confluence. · Proven ability to collaborate cross-functionally with product managers, UX designers, data scientists More ❯

provide constructive feedback, and adhere to coding standards and conventions. Ensure the reliability, scalability, and security of software applications through thorough testing, debugging, and performance optimization. What we're looking for: A proven track record of designing and developing web applications with a passion for both frontend and backend More ❯

will be responsible for both back-end and front-end development, including the implementation of WordPress themes and plugins as well as site integration, performance optimisation, and security updates. You’ll also help us gain deeper insight into site performance and customer behaviour through analytics platforms and … build new features and improvements, front to back Create and maintain website architecture Manage the website back-end, including database and server integration Conduct performance tests and generate actionable reports Set up and maintain event tracking in Google Tag Manager and Google Analytics Monitor and improve SEO/SEM … performance (in collaboration with marketing) Troubleshoot site and content issues Track live website performance and resolve ranking-affecting issues using tools such as Google Search Console, Semrush, etc. Required Skills: Bachelor’s degree in computer science or a similar field, or several years of experience in relevant roles. More ❯

will be responsible for both back-end and front-end development, including the implementation of WordPress themes and plugins as well as site integration, performance optimisation, and security updates. You’ll also help us gain deeper insight into site performance and customer behaviour through analytics platforms and … build new features and improvements, front to back · Create and maintain website architecture · Manage the website back-end, including database and server integration · Conduct performance tests and generate actionable reports · Set up and maintain event tracking in Google Tag Manager and Google Analytics · Monitor and improve SEO/SEM … performance (in collaboration with marketing) · Troubleshoot site and content issues · Track live website performance and resolve ranking-affecting issues using tools such as Google Search Console, Semrush, etc. Required Skills: · Bachelor’s degree in computer science or a similar field, or several years of experience in relevant roles. More ❯

role in making our ambitious AI solutions a practical reality. If you thrive on system-level analysis, find joy in squeezing every ounce of performance from hardware, and love diving deep into algorithm optimisation, this is the position for you. TLDR: Train world-class billion parameter models for … maximum hardware utilisation. Responsibilities Scaling Expertise: Design and implement strategies to efficiently scale machine learning models across diverse hardware platforms (GPU/TPU). Performance Optimisation: Analyse and profile ML systems under heavy load, pinpointing bottlenecks, and implementing targeted optimisations. Distributed Systems Architecture: Create robust distributed training and … inference solutions for maximum computational efficiency. Algorithmic Optimisation: Research and understand the latest deep learning literature to implement and optimise state-of-the-art algorithms and architectures, ensuring compute efficiency and performance. Low-Level Mastery: Write high-quality Python, C/C++, XLA, Pallas, Triton, and/or CUDA 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 ❯

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 ❯

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 ❯

workflows that ensure data quality and accessibility. Collaboration: Work closely with data scientists, analysts, and client stakeholders to understand requirements and deliver impactful solutions. Performance Optimisation: Monitor and enhance the performance of data systems to ensure minimal downtime and fast query responses. Automation and Tools: Identify opportunities More ❯

campaigns across Google Ads and Microsoft/Bing. In this role, you will own the full campaign lifecycle—from strategy development and execution to performance analysis and optimisation. You will thrive in our fast-paced tech environment, working closely with the Tech team alongside Design and Marketing to deliver … end paid search campaigns with monthly budgets exceeding £1m Develop, launch, and continuously refine campaigns on Google Ads and Microsoft/Bing, ensuring high performance and market relevance Conduct thorough keyword research and manage performance analytics to maximize ROI Performance Optimisation: Continuously optimise ad creatives, copy … and dynamic elements based on performance data Leverage tools such as Google Analytics and campaign management platforms to analyze conversion data and drive strategic improvements Produce detailed performance reports with actionable insights and recommendations Strategic Innovation & Implementation: Develop innovative PPC strategies that align with overall product growth and More ❯

conversion optimization. As a key member of the team, you will oversee the end-to-end ecommerce operation, from website management and customer journey optimisation to performance analytics and website development. You will collaborate with cross-functional teams to ensure seamless execution of online sales strategies and deliver … Office colleagues; a blend of office and remote working which will include 3 days working at the Majestic Office each week. Key Responsibilities: Sales & Performance Optimisation: Maximise online sales and profit potential through data analysis and strategic decision-making. Cross-Functional Collaboration: Work closely with creative, content, and … trading plan, and optimised for both user engagement and SEO. Merchandising Strategy: Ensure site merchandising supports both business objectives and online sales performance. SEO Optimisation: Continuously monitor and enhance site architecture to maintain high SEO standards, implementing regular updates and improvements. A/B Testing & Data Insights: Develop and More ❯

and resolve issues and ensure optimal performance. Technical Support and Coordination: Provide technical support and coordination to prevent website failures and maintain smooth operations. Performance Monitoring and Reporting: Use analytics tools to monitor website performance and provide regular insights and improvement recommendations. Stay Updated with Industry Trends: Stay … Experience with third-party APIs, services, and Shopify plugins. Proactive Communication: Ability to provide proactive feedback, interact effectively, and communicate clearly with team members. Performance Optimisation: Experience in optimising website performance and ensuring smooth connection with Shopify Apps, Marketing Tools, and Platform APIs. SEO and Analytics: Understanding … motivated, with the ability to work autonomously as well as collaboratively within a team. Natural inclination towards experimentation and innovation. Benefits Competitive salary and performance-based bonuses. Generous Annual Leave allowance: 28 days per year, plus a day off for your birthday (and more days available at your manager More ❯

and resolve issues and ensure optimal performance. ● Technical Support and Coordination: Provide technical support and coordination to prevent website failures and maintain smooth operations. ● Performance Monitoring and Reporting: Use analytics tools to monitor website performance and provide regular insights and improvement recommendations. ● Stay Updated with Industry Trends: Stay … Experience with third-party APIs, services, and Shopify plugins. ● Proactive Communication: Ability to provide proactive feedback, interact effectively, and communicate clearly with team members. ● Performance Optimisation: Experience in optimising website performance and ensuring smooth connection with Shopify Apps, Marketing Tools, and Platform APIs. ● SEO and Analytics: Understanding … motivated, with the ability to work autonomously as well as collaboratively within a team. ● Natural inclination towards experimentation and innovation. Benefits ● Competitive salary and performance-based bonuses. ● Generous Annual Leave allowance: 28 days per year, plus a day off for your birthday (and more days available at your manager More ❯

join a growing consultancy business at a pivotal stage of its development. This role sits at the forefront of data infrastructure design, development, and optimisation — supporting enterprise-level solutions, modern data platform projects, and consultancy-led client engagements. You’ll play a hands-on role in delivering robust, scalable … pipelines and integration solutions using modern cloud technologies. Identify opportunities for reuse of data flows across projects and teams. Ensure data quality, integrity, and performance optimisation throughout the data lifecycle. Design and manage metadata repositories, supporting metadata-driven ETL frameworks. Systems Integration: Ensure seamless integration between multiple data … Storage) Familiarity with additional database technologies such as Oracle, Cosmos DB, and MySQL Experience with BI/reporting tools like QlikSense and Tableau Database performance tuning, query optimisation, and diagnostics Cloud infrastructure knowledge (Google Cloud, AWS) Data migration projects, particularly high-performance stored procedures What They’re More ❯

join a growing consultancy business at a pivotal stage of its development. This role sits at the forefront of data infrastructure design, development, and optimisation — supporting enterprise-level solutions, modern data platform projects, and consultancy-led client engagements. You’ll play a hands-on role in delivering robust, scalable … pipelines and integration solutions using modern cloud technologies. Identify opportunities for reuse of data flows across projects and teams. Ensure data quality, integrity, and performance optimisation throughout the data lifecycle. Design and manage metadata repositories, supporting metadata-driven ETL frameworks. Systems Integration: Ensure seamless integration between multiple data … Storage) Familiarity with additional database technologies such as Oracle, Cosmos DB, and MySQL Experience with BI/reporting tools like QlikSense and Tableau Database performance tuning, query optimisation, and diagnostics Cloud infrastructure knowledge (Google Cloud, AWS) Data migration projects, particularly high-performance stored procedures What They’re More ❯

join a growing consultancy business at a pivotal stage of its development. This role sits at the forefront of data infrastructure design, development, and optimisation — supporting enterprise-level solutions, modern data platform projects, and consultancy-led client engagements. You’ll play a hands-on role in delivering robust, scalable … pipelines and integration solutions using modern cloud technologies. Identify opportunities for reuse of data flows across projects and teams. Ensure data quality, integrity, and performance optimisation throughout the data lifecycle. Design and manage metadata repositories, supporting metadata-driven ETL frameworks. Systems Integration: Ensure seamless integration between multiple data … Storage) Familiarity with additional database technologies such as Oracle, Cosmos DB, and MySQL Experience with BI/reporting tools like QlikSense and Tableau Database performance tuning, query optimisation, and diagnostics Cloud infrastructure knowledge (Google Cloud, AWS) Data migration projects, particularly high-performance stored procedures What They’re 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 … to ensure our codebase and output is compliant. So, whats 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 ❯

wellbeing solutions, providing every person with the best mental healthcare, offering hope for a better future. We work across the mental health continuum from performance optimisation, early intervention, prevention, and treatment. Onebright has been providing clinical excellence in mental health across the UK for 30 years. It is More ❯

with: SQL Database Developer – Data-Driven Software Company – London (Tech stack: SQL Database Developer, SQL Server 2022, PostgreSQL, C#, T-SQL, SSIS, SSRS, SSAS, Performance Tuning, Query Optimisation, Software Development, Data Engineering, SQL Database Developer) Founded in 2015, our client is a rapidly growing software company focused on … delivering high-performance data solutions for enterprise clients. With a strong presence across the U.S. and Europe, they’re now scaling their operations in the UK to support growing demand for their cutting-edge data products and services. To support this expansion, they are on the lookout for a … talented SQL Database Developer to join their London-based team (remote-friendly) and contribute to the ongoing development and performance optimisation of their mission-critical data platforms. Successful SQL Database Developer candidates should have experience with: SQL Server 2022, PostgreSQL, T-SQL, stored procedures, performance tuning, database More ❯

to join our expert team—someone who thrives on problem-solving, loves diving deep into technical challenges, and has a passion for maximising organic performance through data-driven insights. As a Technical SEO Specialist, you will be responsible for analysing, optimising, and maintaining the technical health of our clients … robots.txt files, XML sitemaps, canonical tags, and meta directives to improve crawling and indexation. Ensure websites meet Core Web Vitals (CWV) and page speed optimisation benchmarks using tools like PageSpeed Insights and Lighthouse. Implement and advise on hreflang tags for international SEO to ensure correct regional/language targeting. … Website Performance & Troubleshooting Work with developers to improve website speed and server response times, using techniques like lazy loading, image compression, and efficient caching. Identify and resolve crawl errors, 404s, and redirect issues to maintain a clean URL structure. Ensure best practices for mobile-first indexing, optimising mobile site More ❯