1 to 25 of 519 Performance Optimisation Jobs in England

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

a plus Knowledge and hands on experience in CI/CD solutions would be a plus Strong experience in all aspects of client-side performance optimization, Extremely proficient in modern coding and design practices. For example, Clean Code, SOLID principals, and TDD Experience in multiple front-end platforms including More ❯

a plus Knowledge and hands on experience in CI/CD solutions would be a plus Strong experience in all aspects of client-side performance optimization, Extremely proficient in modern coding and design practices. For example, Clean Code, SOLID principals, and TDD Experience in multiple front-end platforms including 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 ❯

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 ❯

with Web Rendering approaches such as SSG, ISR, SSR, CSR and hybrid approaches. Experience developing PWAs, Web workers and Web APIs. Experience in Webapp performance optimisation, scalability, profiling and testing. Data Engineering & Architecture Familiarity with TensorFlow, PyTorch, or other relevant AI/ML frameworks Security and compliance design 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 ❯

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 ❯

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 ❯