1 to 25 of 136 Sass Jobs in London

evolving standards and technologies, learning new skills as needed. Mentoring junior candidates. MINIMUM QUALIFICATIONS/SKILLS Strong commercial experience with hands-on React development. Mastery of semantic HTML5, CSS3 (SASS/LESS), and TypeScript (as a preprocessor for JavaScript ES6+), adhering to industry coding standards. Proficient in state management with React Query. Solid understanding of fluid responsive layouts, cross-browser More ❯

maintainability. Drive improvements and innovation in ourfrontend architecture, tooling (NPM, Webpack, Vite), and development processes. Technologies We Use Languages & Frameworks: JavaScript (ES6+), TypeScript, React, Next.js, Redux, HTML5, CSS3/SCSS Testing: React Testing Library, Jest, Cypress (or similar) Build & Tooling: NPM, Webpack, Vite (or similar modernbundlers), Babel DevOps & Tools: AWS (S3, CloudFront, etc.), GitlabCI/CD, Git Backend Interaction: RESTful 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 ❯

standards and technologies, learning new skills as needed. Mentoring junior candidates. What we want from you: Strong commercial experience with hands-on React development. Mastery of semantic HTML5, CSS3 (SASS/LESS), and TypeScript (as a preprocessor for JavaScript ES6+), adhering to industry coding standards. Proficient in state management with React Query. Solid understanding of fluid responsive layouts, cross-browser More ❯

as React, Angular, or Vue.js. Knowledge of data visualization libraries (e.g., D3.js, Chart.js). Understanding of modular and reusable UI component architecture. Expertise in CSS pre-processor such as SCSS or SASS. Back-End: Strong knowledge of at least one object-oriented language (e.g., Python) and back-end frameworks (e.g., Django, Flask). Experience with RESTful APIs and/or 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 ❯

and JavaScript. 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 ❯

IP & DNS, Caching) Experience with testing frameworks such as Jest, RTL, Cypress or Playwright Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/CD platforms such as Jenkins and Github Actions. Experience with monitoring and alerting in order to maintain a production application Good understanding More ❯

before development Produce clean, efficient, reusable, tested code WHAT YOU WILL NEED 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 ❯

Services and Microsoft Azure. Understanding and experience of some of the following, NodeJS client & server side development, Angular & Typescript front end development, CCS, HTML, CSS pre-processors such as Sass and Less. Other skills: Understanding of various relevant published standards including some of ISO27001, ISO5500, IETF standards, W3C standards, particularly WCAG 2. Closely work with technical stakeholders including, engineers, architects More ❯

components, state management, and routing. Has experience with popular React libraries and frameworks and the front-end build toolchain (Webpack, babel etc.). Possesses deep expertise in JavaScript, HTML5, SCSS, tailwind, material UI and CSS3. Demonstrates working knowledge of WCAG and accessibility best practices. Enjoys building reusable UI components and takes pride in clean code architecture. Has experience working with More ❯

including Angular CLI, Angular Material, RxJS, and maintaining design and contributing to internal design system. Familiarity with reactive programming paradigms, async programming and state management. Strong understanding of HTML5, SASS, and JavaScript like semantic HTML, SASS mixins, themes, one-dimensional and two-dimensional layouts, Responsiveness for various screen sizes. Experience with developing reusable components, services and toolkits. Experience with RESTful 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 ❯

binary repositories (e.g., JFrog Artifactory) Able to detect/remediate out-of-date dependencies and security issues Web security concepts: HTTPS, CORS, OAuth, JWT RESTful API integration CSS preprocessors (SASS, LESS) and styling libraries (CSS Modules, Styled Components, TailwindCSS) Nice to Have Contributions to open-source projects Experience with performance optimization and accessibility best practices RE Partners is a technology More ❯

binary repositories (e.g., JFrog Artifactory) Able to detect/remediate out-of-date dependencies and security issues Web security concepts: HTTPS, CORS, OAuth, JWT RESTful API integration CSS preprocessors (SASS, LESS) and styling libraries (CSS Modules, Styled Components, TailwindCSS) Nice to Have Contributions to open-source projects Experience with performance optimization and accessibility best practices RE Partners is a technology More ❯

to learn from them. Qualifications Bachelor's or master’s degree in technology or computer science fields 5+ years of programming experience Full stack programming skills (HTML5, CSS/SASS, C#, NodeJS, React/Vue, SQL) Experience developing mobile applications on iOS and Android platforms (Swift/SwiftUI, Kotlin/Jetpack) Experience designing and developing proof of concepts and prototypes More ❯

front-end development Experience building full-stack applications with React, Node.js or similar tools within the JS ecosystem Solid knowledge of modern web standards and technologies (ES6, CSS/Sass, HTML 5, etc) Required: React, Redux, CSS/Sass, HTML 5, D3, Javascript Some experience of back end development in an object oriented language is a big plus (e.g. Java More ❯

with Shopify Plus Deep hands-on knowledge of Shopify architecture, APIs, Liquid, and app integrations Experience architecting large-scale eCommerce solutions Strong understanding of web technologies: HTML5, CSS3/SASS, JavaScript (ES6+), JSON, REST, GraphQL Familiarity with modern JS frameworks (React, Vue.js) and build tools Experience with enterprise SDLC, Agile methodologies, and CI/CD practices Knowledge of Cloud infrastructure More ❯

of UI/UX principles to enhance usability and aesthetics Experience with Node.js and cloud-based infrastructure Ability to build dynamic dashboards and complex interactive UIs Familiarity with preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that More ❯

of UI/UX principles to enhance usability and aesthetics Experience with Node.js and cloud-based infrastructure Ability to build dynamic dashboards and complex interactive UIs Familiarity with preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that More ❯

work that they produce. Coding and testing: Strong REACT and Redux experience TypeScript Testing experience-(Unit testing/End to End testing - e.g Jest) Good experience with CSS/SCSS Experience with AA Standard accessibility Experience with Restful API’s Experience developing for all major currently used browsers e.g Chrome, Edge etc. Strong performance optimisation awareness Experience and confidence working More ❯

components, state management, and routing. Has experience with popular React libraries and frameworks and the front-end build toolchain (Webpack, babel etc.). Possesses deep expertise in JavaScript, HTML5, SCSS, tailwind, material UI and CSS3. Demonstrates working knowledge of WCAG and accessibility best practices. Enjoys building reusable UI components and takes pride in clean code architecture. Has experience working with More ❯

in UX Being proficient with Azure DevOps Being confident with unit, end to end and integration testing Typescript (3+) CSS3 HTML5 VueJS 2 (not Vue 3) JSX/TSX SASS/SCSS React (Hooks) Playwright (end to end) Jest (unit tests) Storybook Above all else we have an excellent culture at Oak which we work hard to maintain. We are 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 ❯

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 ❯