1 to 25 of 660 Permanent 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 ❯

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 ❯

We have a new opportunity to be part of our Performance Optimisation team in the role of Performance Engineer . This role sits at the heart of performance optimisation and trackside operations, supporting the continual development of car setup and data-driven analysis across race … events. As part of the Performance Engineering group, you will play a vital part in enhancing performance both at and away from the circuit, contributing directly to the Team’s objective of consistently competing at the front of the FIA Formula OneTM Constructors’ Championship. You will be responsible … for: Contributing significantly to global car optimisation across events and broader performance metrics. Supporting in-event and post-event analysis from Mission Control, providing objective, data-driven insights that address key performance questions. Working closely with the Trackside Performance and Race Engineers to support decisions that More ❯

We have a new opportunity to be part of our Performance Optimisation team in the role of Performance Engineer . This role sits at the heart of performance optimisation and trackside operations, supporting the continual development of car setup and data-driven analysis across race … events. As part of the Performance Engineering group, you will play a vital part in enhancing performance both at and away from the circuit, contributing directly to the Team’s objective of consistently competing at the front of the FIA Formula OneTM Constructors’ Championship. You will be responsible … for: Contributing significantly to global car optimisation across events and broader performance metrics. Supporting in-event and post-event analysis from Mission Control, providing objective, data-driven insights that address key performance questions. Working closely with the Trackside Performance and Race Engineers to support decisions that 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 ❯

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 ❯

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 ❯

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 ❯

Croydon Length: 6 Months Rate: £400 per day (Inside IR35) The Role: Daily status reporting of all database services to relevant stakeholders Monthly Database Performance Optimisation Reports that include recommendations on tuning improvement actions Monthly Cloud Infrastructure Performance Optimisation Reports that include recommendations on relevant improvement 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 ❯

with up-to-date knowledge of best practices within Databricks data engineering, specifically with code version management (GIT/DevOps integration), Unity Catalog and performance optimisation in Databricks transformation workloads. Working with multi vendors on AI capability. C£Market rate - inside IR35 Fully remote opportunity 6 Months contract … to succeed Databricks best practice Extensive Databricks development experience Up-to-date knowledge of best practices in Databricks data engineering Databricks Unity Catalog and performance optimisation Code version management (Git/DevOps integration) What you need to do now If you're interested in this role, click 'apply More ❯

with up-to-date knowledge of best practices within Databricks data engineering, specifically with code version management (GIT/DevOps integration), Unity Catalog and performance optimisation in Databricks transformation workloads. Working with multi vendors on AI capability. C£Market rate - inside IR35 Fully remote opportunity 6 Months contract … to succeed Databricks best practice Extensive Databricks development experience Up-to-date knowledge of best practices in Databricks data engineering Databricks Unity Catalog and performance optimisation Code version management (Git/DevOps integration) What you need to do now If you're interested in this role, click 'apply 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 ❯

services to clients across various industries, with a focus on cutting-edge technology and data-driven decision-making. Job Description Design and implement high-performance ClickHouse environments Drive the migration of analytical databases to ClickHouse with minimal disruption Manage database query optimisation for scalability and performance Operate … and fault tolerance Develop and maintain backup, disaster recovery, and data security strategies Collaborate with teams to align database solutions with business goals Monitor performance with Prometheus and Grafana , addressing issues proactively Implement best practices for data modelling and processing Guide and mentor junior developers in ClickHouse best practices … troubleshooting The Successful Applicant The successful candidate will have: Extensive experience with ClickHouse in a production environment Proficiency in Linux/Unix and database performance optimisation Strong knowledge of query optimisation , data modelling , and ETL Experience with DevOps tools (Jenkins, Ansible) and CI/CD pipelines Solid 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 ❯

administrative overhead. Optimises workforce planning and scheduling to meet operational needs. Enhances Talent Management capabilities to align learning pathways with business objectives for improved performance and growth. Seamlessly integrates Payroll processes with third-party applications, ensuring full compliance with regulatory requirements. The successful candidate will join the Oracle HCM … unit and integration testing of OIC solutions to ensure high-quality code and efficient data flows. Problem-Solving: Troubleshoot and resolve integration issues, including performance and data-related problems. Performance Optimisation : Monitor and optimise the performance of OIC integrations, focusing on throughput, latency, and scalability. Mentoring More ❯

administrative overhead. Optimises workforce planning and scheduling to meet operational needs. Enhances Talent Management capabilities to align learning pathways with business objectives for improved performance and growth. Seamlessly integrates Payroll processes with third-party applications, ensuring full compliance with regulatory requirements. The successful candidate will join the Oracle HCM … unit and integration testing of OIC solutions to ensure high-quality code and efficient data flows. Problem-Solving: Troubleshoot and resolve integration issues, including performance and data-related problems. Performance Optimisation : Monitor and optimise the performance of OIC integrations, focusing on throughput, latency, and scalability. Mentoring 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 ❯

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 ❯

interoperability. Design and implement data solutions leveraging SAP Datasphere to enable efficient data management and analytics. Provide guidance on BTP best practices, including security, performance optimization, and deployment strategies. Mentor junior developers and solution architects on BTP-related technologies and best practices. Work closely with development and operations teams More ❯