Performance Optimisation Jobs in the UK

1 to 25 of 494 Performance Optimisation Jobs in the UK

Lead React Native Engineer

London, United Kingdom
Hybrid / WFH Options
Randstad (Schweiz) AG
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Team Lead, DBA - Andover, Hampshire, UK - Hybrid

Andover, Hampshire, United Kingdom
Hybrid / WFH Options
CloudPay
Senior DBA to grow with us as a Team Lead, Platform DBA. You will play a critical role in ensuring our database systems' optimal performance, security, and availability. As a key leader in our Platform Engineering team, you will be responsible for guiding a team of engineers in managing … supporting the growth of our global payroll platform. The ideal candidate is a technical expert and leader responsible for the design, implementation, maintenance, and performance optimisation of CloudPays database systems. This role encompasses both hands-on database administration and team leadership responsibilities. You will manage and guide a … secure database architectures to support CloudPay's data needs. • Database Management: Install, configure, maintain, and upgrade database systems (e.g., relational, NoSQL, graph databases). • Performance Optimisation: Monitor database performance, identify bottlenecks, and implement optimisations to ensure optimal efficiency. • Backup and Recovery: Develop and execute backup and recovery More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Principal Data Engineer

London, United Kingdom
Iwoca Ltd
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Frontend Developer

Birmingham, England, United Kingdom
Phantom Hire
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 ❯
Posted:

Senior Analytics Business Partner

Preston On The Hill, Cheshire, United Kingdom
Hybrid / WFH Options
SF Recruitment
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 ❯
Employment Type: Permanent
Salary: GBP 60,000 - 70,000 Annual
Posted:

Senior Analytics Business Partner

Runcorn, Preston on the Hill, Cheshire, United Kingdom
Hybrid / WFH Options
SF Recruitment
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 ❯
Employment Type: Permanent
Salary: £60000 - £70000/annum
Posted:

Oracle DBA - SC Cleared

United Kingdom
Initialize IT
Grid Infrastructure Terraform, GitLab, Ansible (nice to have) Some of the duties: 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 ❯
Employment Type: Contract
Rate: GBP Daily
Posted:

(Senior)PostgreSQL and Oracle Database Administrator (DBA) d/f/m

London, United Kingdom
Hybrid / WFH Options
RWE AG
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Product Manager - eCommerce

London, United Kingdom
Hybrid / WFH Options
China-Britain Business Council
role that's central to our digital growth strategy. You'll be empowered to operate with autonomy, lead cross-functional teams, and continuously improve performance through experimentation, insight, and iteration. What You'll Be Doing Optimising the end-to-end eCommerce funnel (PDP to basket to checkout) to deliver … across teams Operating autonomously in a dynamic, hybrid working environment The Person 3+ years of experience in product management, ideally focused on eCommerce, funnel optimisation, or performance marketing Proven impact on commercial KPIs through digital product delivery Deep understanding of acquisition funnels and SEO best practices Strong data … fluency - confident in using analytics and experimentation to guide decision-making Hands-on experience with A/B testing, funnel analysis, and performance optimisation tools Excellent collaboration and communication skills, with experience managing stakeholders across teams Agile mindset, with experience writing clear, actionable product requirements Bachelor's or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Engineer

Central London, London, United Kingdom
167 Solutions Ltd
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 ❯
Employment Type: Permanent
Posted:

Software Engineer - AVP

England, United Kingdom
Hybrid / WFH Options
Barclays
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Developer - Freelance

london, south east england, united kingdom
Picture Production Company
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 ❯
Posted:

Senior Software Developer (Short-Term Contract)

London Area, United Kingdom
Picture Production Company
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 ❯
Posted:

Senior Software Developer (Short-Term Contract)

london, south east england, united kingdom
Picture Production Company
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 ❯
Posted:

Software Engineer

Northampton, Northamptonshire, UK
Hybrid / WFH Options
Barclays
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 ❯
Posted:

Software Engineer - VP

England, United Kingdom
Hybrid / WFH Options
Barclays
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Digital Media Strategist

London, UK
Hybrid / WFH Options
Pivotal London
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 ❯
Posted:

Wordpress Developer

London Area, United Kingdom
Hybrid / WFH Options
The Profs
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 ❯
Posted:

Wordpress Developer

london, south east england, united kingdom
Hybrid / WFH Options
The Profs
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 ❯
Posted:

Performance Marketing Manager

London, United Kingdom
Hybrid / WFH Options
Carwow Group
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Front End Engineer

Bournemouth, South West
Vitality
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 ❯
Employment Type: Permanent
Salary: Competitive + Bonus + Benefits
Posted:

Technical Engineer

Belfast, City of Belfast, County Antrim, United Kingdom
Hybrid / WFH Options
Cala Consulting
Jenkins, GitLab, Bitbucket Ensure efficient and reliable build, test, and deployment processes. Collaborate with development teams to improve CI/CD practices. Monitoring and Performance Optimisation: Implement monitoring tools and practices to ensure the reliability and performance of infrastructure and applications. Identify and resolve performance bottlenecks More ❯
Employment Type: Permanent
Salary: £40000 - £60000/annum pension, share options, health
Posted:

Web Manager

Milton Keynes, England, United Kingdom
Hybrid / WFH Options
Autotech Group
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 ❯
Posted:

Principal Engineer (Fullstack)

London, United Kingdom
AKQA Media
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Fixed income - FTA, UK

London, United Kingdom
T. Rowe Price
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 ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Performance Optimisation
10th Percentile
£49,140
25th Percentile
£53,813
Median
£69,315
75th Percentile
£80,000
90th Percentile
£87,500