solutions. Excellent interpersonal and communication skills with employees at all levels and good written English. Technical skills: Must Frontend: HTML, CSS JavaScript (ES2020+), TypeScript SolidJS or React Unit-testing (Vitest/Jest/similar) End-to-end testing (Cypress/Playwright/similar) Backend : RESTful APIs Node.js SQL and/or NoSQL databases Unit-testing Integration testing Infrastructure: Vercel (or More ❯
Sheffield, Yorkshire, United Kingdom Hybrid / WFH Options
OMEGA, Inc
state management Strong history of working with React and libraries like Material-UI (MUI), React Query/TanStack Query, and React Hook Form (preferred) Experience with testing frameworks like Vitest and Playwright Proficiency with GitHub for source-control Ability to write clean, maintainable, and well-tested code. Experience integrating RESTful APIs Strong problem-solving skills and attention to detail Excellent More ❯
London, England, United Kingdom Hybrid / WFH Options
Twinkl Educational Publishing
backend code AWS Lambda for serverless computing S3 for scalable storage, and NoSQL databases like DynamoDB SQS/SNS for messaging Continuous deployment with Terraform (IaC) and GitHub Actions Vitest + React Testing Library for unit tests and Playwright for browser-based tests/smoke tests ..to craft web applications and digital products that have real impact. These include: Discovery More ❯
and maintaining client-facing platforms. Knowledge of web technologies (CSS/HTML/JavaScript). Experience in developing, debugging, and automated testing (e.g., react testing library/cypress/vitest) within a commercial setting. Solid understanding of CI/CD (e.g., Jenkins), Application Resiliency, and Security. Experience collaborating with backend technology teams in designing scalable and reusable RESTful APIs. Preferred More ❯
quality, production-ready React single-page applications that power our cutting-edge solutions. This role offers the unique opportunity to drive technical excellence by championing code quality, robust testing (Vitest, Cypress), and best practices in front-end architecture, performance, and accessibility. You'll thrive in an Agile environment, contributing actively to workstreams, while also building modular, reusable components with Storybook … and component development (Storybook). Commercial experience with SPA solutions, ideally for administrative CMS platforms, and integrating with 3rd party systems. Extensive experience with unit, E2E, and regression testing (Vitest, React Testing Library, Cypress).Experience with Jest is also valuable. Commercial experience using Git for Continuous Integration in large development teams. Solid understanding of Agile methodologies (Kanban and/or More ❯
Gateshead, Tyne and Wear, England, United Kingdom Hybrid / WFH Options
Reed
optimisation and Core Web Vitals Solid grasp of SEO best practices and accessibility standards Experience working with RESTful APIs and GraphQL Bonus points for experience with: Testing tools like Vitest, Jest, or Playwright CI/CD pipelines and atomic design principles Working Environment: Flexible Hybrid/Remote model: You will need to be local to the Gateshead office and willing More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
Familiarity with RESTful APIs. Hands-on experience with bundlers such as RSPack or Vite. Knowledge of state management tools like zustand or valtio. Experience with testing frameworks such as Vitest, Jest, or React Testing Library. Proficiency with version control systems like Git. Understanding of CI/CD pipelines and deployment practices. Awareness of web accessibility standards and performance optimisation techniques. More ❯
Requirements: Strong TypeScript and React skills Experience with state management libraries (e.g., Zustand) Proficiency in writing clean, testable code with solid test coverage Experience with testing frameworks such as Vitest and Playwright Familiarity with REST or GraphQL API design Ability to write high-quality CSS Independent ownership of deliverables and strong communication skills in a collaborative environment Preferred Qualifications: Experience More ❯
knowledge. Strong React knowledge. Experience with state management libraries, such as Zustand. Ability to write clean, maintainable and testable code. Experience with writing automated tests and testing frameworks like Vitest and Playwright. Experience with designing clean APIs using architectural styles like REST and GraphQL. Ability to implement beautiful styles using CSS. Ability to take ownership of work independently. Good communication More ❯
experience in frontend web development Expert knowledge of React, TypeScript, Next.js Deep understanding of modern frontend architecture (state management, component patterns, hooks, etc.) Experience with web testing frameworks (e.g. Vitest, Jest, React Testing Library, Playwright, Cypress) Experience with CSS-in-JS libraries (e.g. Vanilla Extract, Emotion, Styled Components) Familiarity with CI/CD processes and version control (e.g. Git) Experience More ❯
Below JD As a Frontend Engineer, you’ll focus on building web components and creating test coverage for our new design system and metadata driven UI objects that power our next generation UI console. In this role, you’ll report More ❯
Below JD As a Frontend Engineer, you’ll focus on building web components and creating test coverage for our new design system and metadata driven UI objects that power our next generation UI console. In this role, you’ll report More ❯
Birmingham, England, United Kingdom Hybrid / WFH Options
Synchro
Role: Senior Frontend Developer Tech: React, TypeScript, modern JS, CSS, Jest/Vitest/Cypress Location: Remote-first, with 1 monthly team meetup in Birmingham Salary: £70,000–£80,000 Our client is building the next generation of internal platforms for a global tech learning company- and this is your chance to help shape it from the ground up! They More ❯
our types! We also use d3, Formik, and Zustand to build out the products, and styled-components and tailwind to make them pretty. And then we test them with vitest, jest, and playwright. If you're also interested in the backends, here's some other tech we use: PHP, NodeJS, Docker, Elastic, Redis, and all the services offered by AWS. More ❯
our types! We also use d3, Formik, and Zustand to build out the products, and styled-components and tailwind to make them pretty. And then we test them with vitest, jest, and playwright. If you're also interested in the backends, here's some other tech we use: PHP, NodeJS, Docker, Elastic, Redis, and all the services offered by AWS. More ❯
patterns and best practices (e.g. WCAG and WAI-ARIA) Understanding of how screen readers operate and experience using them (e.g. VoiceOver, JAWS, NVDA) Experience with web testing frameworks (e.g. Vitest, Jest, React Testing Library, Playwright, Cypress) An understanding of how components are designed and the ability to work closely with designers to interpret and implement component specifications to a high More ❯
London, England, United Kingdom Hybrid / WFH Options
OnePlan
software engineering roles with Python & React. Strong knowledge and hands-on Python and Django for REST API development. Strong knowledge and hands-on React development, excellent understanding of Zustand, Vitest, React testing library and Playwright, responsive UI best practices. Experience working with geospatial data and/or canvas/WebGL tools. Excellent understanding and experience of writing automated tests: TDD More ❯
APIs Knowledge of SQL, Git Bash, SSMS, MS Build, XML, JSON, Postman Experience with frontend frameworks such as React and state management libraries, testing frameworks such as Jest/Vitest and contributing to UI design systems Benefits and Perks at AFH Flexible working & holidays - Enjoy flexible working and competitive holiday allowance, with annual buy & sell scheme options and your birthday More ❯
/Open AI, RAG, Vector Databases, and Semantic Search Working containers via Docker, K8s, and/or Azure Container Instances Frontend unit testing experience is a plus ( i.e. Jest, Vitest ) Education in Computer Science or Software Engineering (or related experience) Experience developing software using Microsoft Visual Studio, Github , Jira and/or Azure DevOps Experience with CI/CD and More ❯
Elstree, England, United Kingdom Hybrid / WFH Options
elasticStage
in developing RESTful APIs and working with microservices architecture. Experience with databases such as MySQL, PostgreSQL, and NoSQL solutions. Strong experience in writing unit and integration tests (PHP Unit, Vitest, Cypress). Understanding of UI/UX principles to collaborate on the user interface. Excellent communication and teamwork skills. Degree in Computer Science, Software Engineering, or a related field, or More ❯
Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including writing robust unit, integration, and end-to-end tests, as well as establishing best practices for test coverage and continuous integration pipelines. Significant More ❯
Node.js internals. Demonstrable hands-on experience using modern front-end build tools and bundlers (Webpack, Rollup, Vite). Comprehensive experience with modern testing tools and frameworks, such as Jest, Vitest, React Testing Library, Playwright, or Cypress, including writing robust unit, integration, and end-to-end tests, as well as establishing best practices for test coverage and continuous integration pipelines. Significant More ❯