1 to 25 of 60 Remote/Hybrid Performance Optimisation Jobs in the UK excluding London

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 ...

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 ...

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. ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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. ...

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 ...

technologies and recommend innovations aligned with business objectives Cloud & Infrastructure Design, deploy, and manage cloud-based solutions, primarily within Microsoft Azure Oversee system availability, performance, security, and disaster recovery Ensure infrastructure is scalable, cost-efficient, and compliant with industry standards Data & Reporting Design and oversee data architecture, pipelines … including HTML, C++, and modern web frameworks Provide technical oversight for websites, portals, and Learning Management Systems (LMS) Ensure high standards of code quality, performance, accessibility, and security Review architecture, code, and integrations to ensure maintainability and scalability LMS & Website Management Lead the technical development and ongoing enhancement ...

Developer - SaaS - Swindon (Hybrid, 3 Days in Office) (Tech stack: Web Developer, .NET Framework, WebForms, ASP.NET MVC, React, TypeScript, SCSS, Accessibility, API Integration, Performance Optimisation, Testing, Front End Developer) Our client is an established technology business that builds and maintains sophisticated digital platforms used across multiple sectors. They … maintain a reusable component library and manage CSS architecture, responsive layouts, and theming. Ensure accessibility and semantic HTML standards are met. Optimise front-end performance, applying modern best practices. Implement client-side authentication flows and manage secure sessions. Write and maintain front-end tests covering key user journeys. ...

designs into well-structured, reusable code Work with modern JavaScript frameworks to build intuitive interfaces Integrate with APIs and back-end services Ensure performance, accessibility, and cross-browser compatibility Contribute to code reviews and technical discussions Required Skills & Experience Strong commercial experience with HTML, CSS, and JavaScript Experience with … working in collaborative environments Ability to write clean, maintainable code Desirable Experience TypeScript Modern CSS frameworks or preprocessors (Sass, Tailwind, etc.) Testing frameworks and performance optimisation Agile/Scrum methodologies What’s On Offer Hybrid working, 2 days per week in the Doncaster office Competitive salary and benefits ...

React/Redux front end, working with complex datasets, real-time dashboards, and advanced visualisations. You'll be involved in API design, PostgreSQL performance optimisation, frontend state management, CI/CD pipelines, and cloud infrastructure, while collaborating closely with Product, Data, and commercial stakeholders. The company's mission ...

solver, quick learner, clear communicator who thrives independently and in teams. Desirable: Nuxt.js, CI/CD, headless CMS, e-commerce/CRM/licensing, performance optimisation/Nginx. This is a UK-based role, mainly remote with occasional Stroud office days for collaboration. You'll ideally live within ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Hands On Software Engineering Managers/Tech leads – C#/.NET/AZURE - Data & Performance This is a hands-on technical leadership role with a strong focus on data architecture, application performance, and platform scalability. You’ll lead a small senior engineering team, combining technical delivery with people … usage, and real-time customer insight . 🔧 What You’ll Do 🌳 Lead and support a newly forming team focused on data architecture and application optimisation 🌳 Drive structural change within a large, established codebase to support scale 🌳 Influence architecture, design, and technology decisions across the platform 🌳 Partner closely with Product ...

Lead - Up to 55,000 - Hybrid - Liverpool We're looking for an experienced Shopify Tech Lead to join a growing digital team delivering high-performance ecommerce solutions. This is a hands-on leadership role where you'll own Shopify projects end-to-end while mentoring developers and frontend best … technical authority on Shopify, providing guidance, code reviews and mentorship Collaborate closely with branding, QA and Project Management Drive standards, tooling and performance optimisation across projects What You'll Bring Strong commercial experience working with Shopify at a senior or lead level Expert knowledge of Shopify Liquid, HTML ...

aiming to deliver high-quality service and build lasting relationships with our clients. OUR BENEFITS: Flexible and hybrid working Autonomous working Companywide collaborative events Performance reward and achievements Private Health Insurance Pension Contribution And more... WHAT WILL YOU BE DOING? In this role, you’ll play a key part … while implementing and maintaining CI/CD pipelines to ensure robust testing and seamless deployments. Working within our Azure infrastructure, you’ll focus on performance optimisation, contribute to team standards through code reviews, and stay ahead of emerging automotive datasets to recommend new sources. You’ll also create ...

experience developing design systems is an advantage). Experience working with .NET-based CMS platforms. Experience developing for e-commerce platforms. Working knowledge of performance optimisation, testing, and code quality best practices. Strong understanding of accessibility standards and best practices. Experience using Git for version control and deployment. ...

solution design through to testing, release, and operational support A track record of maintaining high engineering standards, including clean architecture, automated testing, observability, and performance optimisation Ability to break down complex technical challenges, evaluate trade-offs, and make robust engineering decisions - without needing close direction Experience contributing within ...

modern frameworks (e.g., React, Vue, etc.) Build and customise Wagtail, WordPress, Shopify,or other CMS-based sites Optimise sites for speed, SEO, and mobile performance Ensure cross-browser and cross-device compatibility Collaborate with design and content teams to implement UI/UX effectively Troubleshoot bugs, fix issues … HTML5, CSS3, JavaScript, and responsive design Experience with CMS platforms like WordPress (custom theme development), Shopify,or Wagtail Understanding of SEO principles and website performance optimisation Familiarity with Git, hosting platforms(e.g., cPanel, Plesk,Cloudflare), and dev tools Ability to manage multiple projects and deadlines Problem-solver with ...

Deep understanding of consuming and integrating backend APIs into front-end workflows . 2. UI/UX & Quality Accessibility (WCAG): A strong understanding of performance optimisation and making applications inclusive for a global user base . Utility-based CSS: Experience with modern CSS frameworks (such as Tailwind ...