1 to 25 of 132 Performance Optimisation Jobs in the UK excluding London

Web Developer

Hiring Organisation
Searchability
Location
Chester, Cheshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
Developer Frontend Development, Web Performance, Accessibility, CMS Salary £40-50k Hybrid working - Chester Strong progression and learning opportunities Who We Are We are a technology-driven organisation building and maintaining modern, cloud-based web platforms that support both internal teams and external users. Web development plays a critical … experiences. Working closely with IT, product, and business stakeholders, our web team focuses on building high-quality, maintainable websites that follow best practice in performance, security, and accessibility. As our platforms continue to evolve, we're looking for a skilled Web Developer to help design, build, and improve ...

Frontend Developer

Hiring Organisation
Aspire Personnel Ltd
Location
Poole, Dorset, United Kingdom
Employment Type
Permanent
Salary
£25000 - £35000/annum
. Translate UI/UX wireframes and design systems into high-quality, reusable front-end components. Ensure cross-browser and cross-device compatibility, including performance optimisation for page load, rendering, and interactions. Integrate front-end components with APIs and back-end services, handling data fetching, error states … state management approaches (e.g. Redux/Fluxor or similar for Blazor). Solid understanding of responsive design, cross-browser quirks, and front-end performance optimisation techniques. Familiarity with RESTful APIs, JSON, and common front-end tooling (package managers, bundlers, linters). Experience using Git, DevOps version control systems ...

Lead AI Engineer

Hiring Organisation
Newpage Solutions
Location
City Of Bristol, England, United Kingdom
ability to architect distributed systems A ‘no-compromise’ attitude with engineering best practices such as clean code, TDD, containerisation, security, CI/CD, scalability, performance and cost optimisation Active user of AI-assisted development tools (Claude Code, GitHub Copilot, Cursor) with demonstrable experience using structured workflows … scalable microservice architecture Proven track record developing and deploying GenAI/LLM-based systems in production Advanced understanding of context engineering, prompt construction, optimisation and evaluation techniques End-to-end implementation experience using vector databases and retrieval pipelines Experience with GitHub Actions, Docker, Kubernetes and cloud-native deployments ...

Paid Media Manager

Hiring Organisation
Greenfield I T Recruitment
Location
Crewe, Cheshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
appoint an experienced Paid Media Manager to join its in-house digital marketing team.This is a hands-on role focused on lead generation , performance optimisation, and return on investment across paid search and paid social. You’ll take ownership of paid media activity, working closely with internal marketing … stakeholders and an external performance agency to deliver measurable commercial outcomes.The role suits someone who is both strategic and execution-focused — comfortable setting direction, but equally confident getting into platforms, analysing performance, and driving continuous improvement. The Role As Paid Media Manager, you will lead the planning, delivery ...

Full Stack Developer - Python, Django, React

Hiring Organisation
OCC Computer Personnel
Location
Crewe, Cheshire, United Kingdom
Employment Type
Permanent
will be working for an Agile, tech driven innovative company who offer continuous improvement and career progression. Desired tech stack includes Front end performance optimization (Tailwind, Storybook), database design, CI/CD, Docker, Linux systemsadmin, application security and monitoring tools Datadog. The client can offer hybrid working. ...

Software Engineer (Digital Signal Processing)

Hiring Organisation
Expleo UK LTD
Location
Manchester, United Kingdom
Employment Type
Permanent
mathematics, and experience working in model-driven development environments. The position involves working within multidisciplinary engineering teams to translate mathematical models into robust, high-performance software implementations. The ideal candidate will be comfortable working in Linux-based environments, collaborating across modelling, software, systems, and verification functions. Responsibilities Design, develop … optimise real-time DSP algorithms in C++ within high-performance computing environments. Integrate both auto-generated and hand-crafted model-based code into larger software systems. Conduct modelling, simulation, and validation of algorithms using MATLAB, Simulink, or similar environments. Execute structured testing, benchmarking, and verification of DSP components ...

Senior Frontend Developer

Hiring Organisation
Lorien
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
Role Our client is seeking a Senior Frontend Engineer to join their Product Development team. In this hands-on role, you'll build high-performance, customer-facing applications for kiosk systems. You'll help shape frontend architecture, mentor junior engineers, and drive best practices across the team, focusing … technical excellence, collaboration, and continuous improvement. Key Responsibilities Develop and maintain React/TypeScript applications using modern frameworks Architect scalable, maintainable frontend systems with performance and accessibility in mind Drive improvements in code quality, testing, and tooling Champion responsive design and performance optimisation Collaborate with DevOps ...

Senior Java Developer - Manchester

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points For Experience in microservices architecture ...

Web Developer

Hiring Organisation
Akkodis
Location
Stevenage, England, United Kingdom
across digital platforms. Working closely with UX Designers, Software Engineers, and Solution Architects, the engineer will translate design concepts into functional interfaces, optimise application performance, and contribute to the continuous improvement of the front-end framework. Responsibilities Building responsive, accessible, high-performing web applications Designing reusable front-end components …/UI designs into functional interfaces Integrating with RESTful/GraphQL APIs Ensuring web security, authentication, and session management best practices Optimising for performance, accessibility (WCAG), and cross-browser compatibility Contributing to CI/CD pipelines and cloud deployments (AWS or Azure) Working within Agile teams and participating ...

Java Software Engineer

Hiring Organisation
Tata Consultancy Services
Location
Burgess Hill, England, United Kingdom
Unix commands and shell scripting. Experience with code quality tools such as Sonar and knowledge of design patterns. Experience with code reusability and performance optimisation. Rewards & Benefits TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance ...

Full Stack Developer - LEEDS

Hiring Organisation
Reed
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, Inc benefits
backend services with Node.js/Express. Creating modern, responsive UI components using React (including Hooks). Working with MongoDB for data modelling, indexing, and performance optimisation. Ensuring security best practices — especially relevant for healthcare systems. Participating in Agile ceremonies, code reviews, and platform improvement sessions. Debugging, troubleshooting, and enhancing ...

Senior Frontend Engineer

Hiring Organisation
Ronald James
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
engineering team. Key Responsibilities Lead the design and implementation of complex, scalable frontend architecture using modern JavaScript frameworks. Own the frontend technical direction, ensuring performance, accessibility, and maintainability at scale. Collaborate with product managers, designers, and engineers to translate requirements into robust technical solutions. Mentor and guide engineers through … React and TypeScript (or equivalent modern frameworks). Strong understanding of component-based architecture, state management, and responsive design. Deep knowledge of browser APIs, performance optimisation, accessibility standards, and cross-browser compatibility. Experience designing and maintaining frontend design systems or shared component libraries. Full Stack & Backend Experience Exposure ...

Senior Software Engineer

Hiring Organisation
Reevr Talent Ltd
Location
Paddington, London, Lancaster Gate, United Kingdom
Employment Type
Permanent
Salary
£70000 - £90000/annum
Experience with TypeScript and React Exposure to frontend design systems Experience with Docker and cloud platforms (AWS preferred) Knowledge of modern web architecture and performance optimisation A proactive, pragmatic mindset — someone who takes ownership and gets things done Why apply to be a Software Engineer? Join a mission ...

Senior Frontend Developer

Hiring Organisation
Dirty Martini Marketing Ltd
Location
Exeter, England, United Kingdom
high-end construction companies. Working closely with our Senior Developer and design team, you’ll collaborate on developing bold concepts into pixel-perfect, high-performance experiences. We run a modern JAMStack, headless architecture designed for performance and scale, with CI/CD pipelines for automated testing and deployment. … designs into refined, performant builds ✔ Collaborating with designers, strategists and project managers ✔ Maintaining and improving existing projects as they evolve ✔ Learning best practices around performance, security and scalability ✔ Contributing ideas - technically and creatively ✔ Develop industry-leading WordPress and Shopify websites for incredible clients. ✔ Maintain hosting environments - optimising performance ...

Database (Administrator) Engineer

Hiring Organisation
Spirax Sarco
Location
Skelmersdale, England, United Kingdom
effectively and meet business and operational requirements. The role sits within our OT and Infrastructure Operations and is responsible for database operations, migrations and performance optimisation across global industrial systems thus, requiring a candidate who has proven experience managing complex database platforms and a strong understanding of secure … access control and integrity, ensuring platforms remain robust and compliant - Maintain and optimise schemas, backups, functions, procedures and related services, with a focus on performance and resilience - Monitor and tune database performance to drive efficiency and continuous improvement - Support secure customer data migration projects, ensuring effective planning, execution ...

Lead Developer - .NET/Azure

Hiring Organisation
Nixor
Location
Edinburgh, Scotland, United Kingdom
Development Team Lead | Data Platforms and Performance Edinburgh preferred | Hybrid working | £67,000 to £76,000 About the Company We're partnering with a profitable, product-led technology scale-up operating in the enterprise software space, where data sits at the heart of how customers run their businesses. … optimise delivery and profitability. Backed by a supportive board and private equity partner, the business is now investing heavily in its data foundations, application performance, and next generation AI capabilities. Engineering plays a central role in that strategy. Teams are working on structural change across established systems to support ...

Front-End Developer

Hiring Organisation
William Reed
Location
Gatwick, West Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
technical functionality and escalating critical gaps in project requirements or processes, when necessary, to proactively address issues Testing and debugging designs to ensure seamless performance and adherence to accessibility standards (e.g. WCAG compliance) Optimising website performance to meet Core Web Vitals benchmarks, including Largest Contentful Paint (LCP), First … Input Delay (FID), and Cumulative Layout Shift (CLS) Leveraging modern development techniques such as lazy loading, efficient asset management, and CSS/JS optimisation to enhance user experience and speed Working alongside testers in UAT to ensure our products work as intended Efficiently triaging and managing assigned tickets, maintaining ...

Senior Data Engineer

Hiring Organisation
Lynx Recruitment Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
Data Factory). Experience designing and managing cloud data platforms (Snowflake essential; AWS/Azure/GCP desirable). Solid data modelling knowledge and performance optimisation skills. Awareness of data governance, security, and regulatory compliance . Ability to work closely with technical and business teams to deliver impactful ...

Senior Data Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £85,000 per annum
Data Factory). Experience designing and managing cloud data platforms (Snowflake essential; AWS/Azure/GCP desirable). Solid data modelling knowledge and performance optimisation skills. Awareness of data governance, security, and regulatory compliance . Ability to work closely with technical and business teams to deliver impactful ...

Front End Developer

Hiring Organisation
Intellectual Property Office
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£45,000
reach a common understanding of acceptance criteria, the code base and test coverage Assist in Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Proactively investigate problems and opportunities in existing processes, evaluating and communicating findings and recommendations to stakeholders Identify and manage ...

D365 BC Developer

Hiring Organisation
We Are Dcoded Limited
Location
Stockport, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
designs Support and optimise data migration processes and system upgrades Troubleshoot, debug and resolve complex technical issues across environments Contribute to solution architecture decisions, performance optimisation and best practice Ensure all development aligns with SaaS, security and Microsoft standards Support post-go-live optimisation and continuous improvement ...

Full Stack Web Developer

Hiring Organisation
LM RECRUITMENT SOLUTIONS LTD
Location
Stroud, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
Exposure to headless CMS platforms and their integration into web application architectures. Experience with e-commerce platforms, CRM systems, or licensing integrations. Experience with performance optimisation and Nginx configuration. Personal Attributes Proactive problem solver with strong attention to detail. Enthusiastic about learning new technologies and tackling complex challenges. ...

Web GIS Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £390 to £400 per day
spatial indexing, database optimization, and schema design Familiarity with cloud environments such as AWS, Azure, or equivalent platforms Experience with infrastructure monitoring tools and performance optimization Additional Competencies Strong problem-solving and analytical skills Ability to work independently and manage multiple priorities Experience supporting team members ...

Website Developer

Hiring Organisation
Commercial
Location
Northampton, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent, Part Time
Salary
£35,000
Digital Web Specialist to take ownership of multiple websites. This is a key role within the business, responsible for troubleshooting technical issues, improving site performance, and building online visibility through effective SEO and website optimisation. The successful candidate will be comfortable managing multiple websites at once, identifying problems, implementing … presence. Key Responsibilities Maintain and manage WordPress websites Add new pages, features, and functionality Improve site structure, navigation, and usability Optimise website speed and performance Troubleshoot and fix technical issues Update and manage plugins, themes, and security Support SEO best practices Monitor website performance and analytics Review competitor ...

Machine Learning Engineer

Hiring Organisation
Robert Walters
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £95,000 per annum
building, and deploying scalable machine learning and GenAI solutions. You'll work on complex, multi-layered datasets and contribute to model governance, evaluation, and optimisation in regulated, real-world environments. You will also be involved in reviewing and assessing GenAI use cases from across the business and supporting robust … controls around model usage. Key Responsibilities Design, build, and productionise machine learning and Generative AI solutions that meet enterprise standards for scalability, reliability, and performance Partner closely with data scientists to turn experimental models into well-engineered, production-ready systems Develop and maintain end-to-end ML pipelines, including ...