1 to 25 of 89 Permanent Sass Jobs in the UK

front-end software developer Knowledge of JavaScript and hands-on development experience building responsive and performant web applications using the ReactJS framework. Familiarity with HTML, CSS-in-JS (or SASS), NodeJS, NPM and TypeScript. Experience of using and developing RESTful web services. Experience of web testing frameworks (Jest, Enzyme, Cypress, RTL etc.). Experience working in a git-based CI More ❯

TFSVC) CI/CD, Blue/Green deployments Azure, AWS Identity Access (AADS, Oauth, Okta) ORM tools, Umbraco, SharePoint JSON, XML, XSLT, XPath, XQuery LinQ, Lambda, PowerShell HTML5, CSS3, SASS, Bootstrap, React, JavaScript, jQuery SQL Server, T-SQL .NET Core/Framework, C#, ASP.NET What We Offer Save For Your Future: Equiniti Pension Plan with up to 10% matching Long More ❯

best practices and driving innovation within the company. Expert proficiency in modern JavaScript (ES6+) and TypeScript, with a deep understanding of core web technologies: HTML5, CSS (including preprocessors like SASS/LESS for maintainable stylesheets), and advanced responsive design principles. Extensive practical experience with React and its modern ecosystem (e.g., Hooks, Context, Routers, State Management, or frameworks like Next.js). More ❯

supported by the NHS and widely used across health/social care, HE and in the workplace. The skills we're looking for C# .Net, .NetCore. Javascript or Typescript, SCSS/CSS, HTML. Experiencewith either React.js. or Vue.js (but you'll be using Vue.js here!). SQL Server and an awareness of other data structures. RESTful web services. Solid background More ❯

Pensions, supported by the NHS and widely used across health/social care, HE and in the workplace. The skills were looking for C# .Net, .NetCore. Javascript or Typescript, SCSS/CSS, HTML. Experiencewith either React.js. or Vue.js (but youll be using Vue.js here!). SQL Server and an awareness of other data structures. RESTful web services. Solid background in More ❯

off for your project before development Produce clean, efficient, reusable, tested code Advanced OOP in Typescript React Application state management (e.g. ngrx , redux) Advanced HTML5, CSS and CSS preprocessors (Sass) Automated TDD and BDD approaches using frameworks like Cypress, Jest, Jasmine, Mocha or Chai with Protractor and Karma Package managers (NPM or Yarn) Webpack node.js is a big plus as More ❯

or similar domains. Demonstrable experience in HTML5, React 16/17+, Typescript4/5+, JavaScript UI Libraries such as Material UI or Ant Design. CSS pre-processors such as SASS and LESS Testing frameworks e.g. Jest Performance profiling and optimisation Build tools such as Webpack Code quality and governance tools such as Sonarqube. Responsive design and cross-browser compatibility Version More ❯

Solid experience working with component-driven development and design systems. Demonstrated ability to implement complex UI/UX from Figma, Sketch, or similar tools. Advanced knowledge of HTML5, CSS3 (SCSS/Tailwind), JavaScript (ES6+), and related tooling. Experience leading technical teams or projects. Deep understanding of responsive design, accessibility, and performance optimization. Familiarity with CI/CD workflows and Git. More ❯

Solid experience working with component-driven development and design systems. Demonstrated ability to implement complex UI/UX from Figma, Sketch, or similar tools. Advanced knowledge of HTML5, CSS3 (SCSS/Tailwind), JavaScript (ES6+), and related tooling. Experience leading technical teams or projects. Deep understanding of responsive design, accessibility, and performance optimization. Familiarity with CI/CD workflows and Git. More ❯

Experience Proven experience as a Team Lead or in a senior developer role with leadership responsibilities. Strong expertise in .NET (C#) for backend development. Solid experience with JavaScript , HTML , SASS, MVC , and modern front-end practices. Familiarity with KnockoutJS or similar JavaScript templating frameworks (e.g., Vue.js, React). Experience with Git for version control and collaborative development. Hands-on experience More ❯

Experience Proven experience as a Team Lead or in a senior developer role with leadership responsibilities. Strong expertise in .NET (C#) for backend development. Solid experience with JavaScript , HTML , SASS, MVC , and modern front-end practices. Familiarity with KnockoutJS or similar JavaScript templating frameworks (e.g., Vue.js, React). Experience with Git for version control and collaborative development. Hands-on experience More ❯

mentor colleagues, champion best practice, and bring a problem-solving mindset to everything you do. What You'll Bring: Strong expertise in C# .NET Core, Vue.js, JavaScript/TypeScript, SCSS/CSS, HTML Experience with MongoDB and SQL Server Proven track record in building and consuming RESTful web services Solid grounding in OOP, SOLID principles, and design patterns Skilled in More ❯

Ability to work well in a team environment Strong technical experience with .NET technologies Strong technical experience with web technologies, including React, other JavaScript libraries, Typescript, and CSS/SASS Extensive experience with unit testing Experience with test-driven development Extensive experience in debugging and profiling applications Experience with an enterprise-level ALM platform such as Azure DevOps Experienced in More ❯

libraries such as React Router and Redux. Proven experience in frontend UI development with a focus on usability, accessibility, and performance. Strong grasp of core web technologies: HTML, CSS, SASS, NPM, and responsive design principles using modern layout systems like Flexbox and CSS Grid. Skilled in API integration using Fetch or Axios for consuming RESTful services. Proficient in using Git More ❯

developing on databases and RDBMS solutions (MS SQL preferred) Experience working with RESTful APIs and integrating front-end and back-end components Proficient in use of HTML5, CSS/SCSS, and modern JavaScript/TypeScript standards Experience writing and maintaining unit tests for both Vue (e.g., using Vitest, Jest) and C# (.NET using xUnit, NUnit or MSTest) Possess a positive More ❯

development roles. Experience with Twig, Drupal theming, and the Drupal templating system. Familiarity with Drupal APIs and custom module development. Proficient in front-end technologies such as HTML, CSS (SASS/LESS), and modern JS frameworks (React, Vue.js, etc.). Understanding of RESTful services and API integrations. Version control using Git (GitHub/GitLab/Bitbucket). Experience working in More ❯

scale our products as we continue to grow. Our tech stack Mobile Typescript, React Native, Expo, GraphQL, Relay, Jest, React Testing Library, Maestro Web Typescript, React, NextJS, Redux Toolkit, SCSS Modules, React Testing Library, Cypress, Turborepo Backend/Infrastructure PHP 8 (Symfony), Kotlin, MySQL, RabbitMQ, AWS, Docker, Kubernetes Tooling ArgoCD and Github Actions Github, Jira & Confluence, for our code & product More ❯

Experience optimizing performance, working with caching, CDNs, and web application security principles (e.g., OWASP top ten). Strong skills in HTML5, CSS3, JavaScript, and experience with Bootstrap or other SASS frameworks. Experience with JS frameworks like AngularJS or React/Redux, and good working knowledge of Node.js and build automation tools (e.g., Gulp). Expert knowledge of GIT, branching strategies More ❯

Proven experience as a UI Developer or Front-End Developer. - Proficiency in HTML5, CSS3, JavaScript, and modern frontend frameworks like React.js, Vue.js, or Angular. - Experience with CSS preprocessors like SASS or LESS. - Familiarity with RESTful APIs and asynchronous coding concepts. - Familiarity with design tools such as Figma, Adobe XD, or Sketch. - Knowledge of testing frameworks like Jest or Cypress. Preferred More ❯

/Typescript • In-depth knowledge and experience Working knowledge of any major UI framework (React, Angular, Vue, etc.) • Strong proficiency in using HTML5 • Strong proficiency in using CSS/Sass/Less • Use of web bundlers (Webpack, Parcel etc.) • Experience using Git • Experience using Unix based environments • Has an eye for what looks good • Self-starter with the desire to More ❯

browser and cross-platform testing, including some automated testing working in a containerised development environment, ideally Docker based. We use Docksal experience working with a CSS preprocessor such as SASS or LESS (In terms of front end, (WIG would also be useful) knowledge of web accessibility best-practice experience working in an Agile environment, especially knowledge of Kanban or Scrum More ❯

team, contributing to wider engineering and business initiatives that help us further scale our products as we continue to grow. Our tech stack Web Typescript, React, NextJS, Redux Toolkit, SCSS Modules, React Testing Library, Cypress, Turborepo Mobile Typescript, React Native, Expo, GraphQL, Relay, Jest, React Testing Library Backend/Infrastructure PHP 8 (Symfony), Kotlin, MySQL, RabbitMQ, AWS, Docker, Kubernetes Tooling More ❯

and Typescript coding HMTL (5), CSS (3+) development, including frameworks, e.g. Tailwind Build of responsive designs to suit mobile and desktops VueJS (V3), including PrimeUI, Axios CSS pre-processors (SASS, SCSS) and build tools (Vite, Webpack) MSAL and SSO environments Rest-based API interactions Visual design, UI/UX, User-centred design, accessibility (WCAG/WAI) and usability Wireframes, prototypes More ❯

design, and DevOps processes Work within Agile methodologies and modern CI/CD pipelines Tech Stack & Skills REST API standards & Service-Oriented Architecture ASP.NET Core & .NET (C#) HTML5, CSS, SASS, Bootstrap SQL Server & RDBMS systems Agile, TDD, and DevOps practices Serverless/cloud-native tools (e.g., Logic Apps, Function Apps) MVC, MVVM, and other architectural patterns What's on Offer More ❯

development. You'll be part of a collaborative team where your ideas matter, your code is valued, and your projects are genuinely interesting. Required Skills: Strong HTML5, CSS/SCSS, PHP and JavaScript skills. Experience creating bespoke WordPress sites and themes from scratch. Understanding of SEO principles from a build perspective. An eye for design and appreciation for good UX More ❯