26 to 50 of 127 Performance Optimisation Jobs in the UK excluding London

team, you will ensure that our websites are visually appealing, user[1]friendly, and high performing. You will also be responsible for website speed optimisation, SEO best practices, and integrating marketing tools to enhance overall digital effectiveness. · Design & Develop: Create and maintain high-quality, responsive websites using WordPress … Elementor. · Performance Optimisation: Ensure Core Web Vitals compliance and optimise website speed, mobile responsiveness, and overall performance. · SEO & Analytics: Implement SEO best practices, manage Google Analytics & Search Console, and provide insights for continuous improvement. · Front-End Development: Customise themes and enhance website functionality using HTML, CSS, and JavaScript. ...

Dynamics 365, SharePoint Online, and Gov.UK Pay (or other payment providers, secure payment gateway integration). Required Skills & Qualifications: Strong experience in UI development, performance optimisation, and accessibility. Proficient in React and Next.js for front-end development. Experienced in .NET (C#) for back-end development. Familiarity with Azure ...

highly user focused and successful digital services ensuring governance standards are defined and adhered to. 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 ...

decisions. Experience Extensive production experience architecting and delivering complex applications with TypeScript and Node.js . Expert level GraphQL , including advanced API design, schema evolution, performance optimisation. Strong automated testing frameworks like Vitest and Playwright . Proficiency with modern DevOps tooling and cloud-native architecture, including Docker , Helm , Kubernetes . ...

/CD best practice. Partner with analysts and data scientists to deliver performant and reliable datasets. Implement data quality monitoring, validation processes, and performance optimisation. Support AI initiatives by designing AI marts, feature engineering structures, and ML-ready datasets. Contribute to standardised KPIs, metadata, and a single source ...

deliver new features focused on accessibility, usability and performance. Maintain and enhance existing codebases, including bug fixes, refactoring and new feature development. Optimise frontend performance and ensure consistent, accessible user experiences. Essential Skills & Experience 3+ years' experience with a modern JavaScript framework (ideally Vue.js). Strong understanding of frontend … CSS3, Flexbox and Grid. Proficient with Git and version control workflows. Ability to translate design mockups into clean, responsive interfaces. Understanding of accessibility and performance optimisation best practices. Confident using browser dev tools for debugging. Comfortable working in an Agile environment. Strong organisational skills and ability to manage ...

join a company where your work genuinely matters. This is a role for engineers who are passionate about React , committed to building intuitive, high-performance interfaces, and excited about delivering cross-platform experiences using React Native . You'll play a key role in shaping the UI across both … design system. The team values engineers who are curious, collaborative, and eager to explore new ways of solving complex challenges, whether that's improving performance, enhancing accessibility, or leveraging tools like Storybook, Vite, and cutting-edge AI workflows. As a senior engineer, you'll help define the future ...

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. ...

Lead - Up to £55,000 - Hybrid - Leeds 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 ...

smooth migration. VMware & Pure Storage Integration Design OpenShift deployments integrated with VMware virtualisation environments. Leverage VMware tools (vSphere, vCenter, NSX) to optimise cluster performance and interoperability. Configure and manage Pure Storage solutions (FlashArray, FlashBlade) to support OpenShift workloads. Ensure compatibility, performance optimisation, and operational efficiency across platforms. ...

environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee … solution delivery, ensuring performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge ...

Supporting cloud-ready services using containerisation and AKS What we're looking for: Strong experience with C# and .NET Core Solid SQL Server and performance optimisation skills Experience with Entity Framework Core and/or Dapper Background in API-driven or SaaS environments Exposure to Docker/Kubernetes ...

technology decisions across the product suite. What Youll Bring Expert-level experience in React, TypeScript, and modern JavaScript frameworks. Strong understanding of API integration, performance optimisation, and modern UI engineering. Solid grasp of cloud-based development (preferably Azure) and familiarity with DevOps pipelines (e.g., GitHub Actions). Exposure ...

including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). Strong understanding ...

Strong experience with Python-based data engineering and SQL. Background in software engineering with experience running systems in production. Knowledge of observability, monitoring, and performance optimisation. Experience with cloud data platforms (Azure preferred). Exposure to streaming and event-driven data pipelines is advantageous. Ability to work independently without ...

DOORS, Azure DevOps , Git Essential Skills and Qualifications Strong programming expertise in C++14 , with extensive experience using Visual Studio for development, debugging , and performance optimisation. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks , including target integration and validation. Strong grasp of Object ...

balancers, VPN solutions, wireless networks, LAN infrastructure, and associated security technologies. Manage virtualisation platforms such as Hyper-V and Virtual Machine Manager, including configuration, performance optimisation, and life cycle management of virtual machines. Support backup, recovery, and business continuity processes using Veeam. Deliver robust infrastructure engineering services across … enhance enterprise monitoring solutions, including SolarWinds, to ensure proactive issue detection and service optimisation. Support and manage Citrix environments, contributing to application delivery, performance tuning, and secure remote access capabilities. Perform advanced administration of Active Directory, including group policies, identity life cycle management, and domain services. Conduct Firewall administration ...

applications built on React and React Native, supported by scalable API-driven services. Collaboration with cross-functional teams will be key to ensuring high-performance, accessible, and SEO-compliant applications. Key Responsibilities Building responsive web interfaces using React and mobile apps with React Native. Developing modular, cloud-ready APIs … microservices. Integrating with headless CMS and modern commerce platforms. Ensuring optimal performance, accessibility, and SEO standards. Contributing to a cross-platform design system and component library. Working in an Agile environment alongside designers, architects, and product teams. Job Requirements Proven hands-on experience with React and React Native. Strong ...

Ensuring usability, responsiveness, accessibility, and smooth user navigation Editing, debugging, and improving existing pages and site structures Implementing SEO best practices and monitoring site performance through analytics Digital Content & Creative Production Producing digital artwork, graphics, and visual assets using Adobe Creative Cloud (Photoshop, Illustrator, InDesign) Supporting creation … digital outputs Website Operations & Management Registering domains and coordinating hosting and DNS updates with internal IT Managing website testing, quality checks, and daily performance evaluations Ensuring compliance with accessibility, privacy, and other digital regulatory requirements Tracking traffic and user engagement through analytics tools and producing insights Keeping ...

Ensuring usability, responsiveness, accessibility, and smooth user navigation Editing, debugging, and improving existing pages and site structures Implementing SEO best practices and monitoring site performance through analytics Digital Content & Creative Production Producing digital artwork, graphics, and visual assets using Adobe Creative Cloud (Photoshop, Illustrator, InDesign) Supporting creation … digital outputs Website Operations & Management Registering domains and coordinating hosting and DNS updates with internal IT Managing website testing, quality checks, and daily performance evaluations Ensuring compliance with accessibility, privacy, and other digital regulatory requirements Tracking traffic and user engagement through analytics tools and producing insights Keeping ...

Ensuring usability, responsiveness, accessibility, and smooth user navigation Editing, debugging, and improving existing pages and site structures Implementing SEO best practices and monitoring site performance through analytics Digital Content & Creative Production Producing digital artwork, graphics, and visual assets using Adobe Creative Cloud (Photoshop, Illustrator, InDesign) Supporting creation … digital outputs Website Operations & Management Registering domains and coordinating hosting and DNS updates with internal IT Managing website testing, quality checks, and daily performance evaluations Ensuring compliance with accessibility, privacy, and other digital regulatory requirements Tracking traffic and user engagement through analytics tools and producing insights Keeping ...

Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial ...

middleware More than 8 years' experience programming in Java and ideally Go and Rust Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization Expertise in distributed system design including microservices, Springboot Experience working with Kafka, Docker, k8s, service mesh Experience with monitoring and observability technologies: Splunk ...

Effective communication and agile team collaboration. Preferred Skills Experience with Azure Data Services (SQL, Data Factory, Synapse). Knowledge of reporting governance, security, and performance optimization. Integration with Microsoft tools (SharePoint, Power Apps, Teams). Exposure to REST APIs and MDM tools. In accordance with the Employment Agencies ...

design, development, and operation of complex distributed systems in a modern cloud provider. Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization. Demonstrated ability to own projects end-to-end and mentor junior engineers. Significant experience with production infrastructure, observability, and incident management. Strong collaboration ...