51 to 75 of 95 Jest Jobs in the UK excluding London

customers. The Technology Our applications use the following technology: Back-end: Node, Express, Lambda, Git, ElasticSearch, DynamoDB Front-end: ES6, React, Redux, Gatsby Testing: Jest, React Testing Library, Mock Service Worker APIs: REST DevOps: AWS serverless technologies, Terraform, Docker You should apply if You have 5+ years of full-stack More ❯

OAuth etc Familiarity with modern front-end build pipelines and tools Experience with popular front-end development tools such as Yarn, Webpack, Vitjs, StoryBook, Jest, Eslint, Prettier, Husky, etc. Ability to understand business requirements and translate them into technical requirements Experience with code versioning tools such as Git Experience with More ❯

Skills Required: 3+ years of experience professionally developing web applications using React Excellent TypeScript/JavaScript programming skills Experience with testing libraries such as Jest or Playwright An appreciation for design and aesthetic details and their impact on the user experience Knowledge of Git, node and npm/yarn Self More ❯

within Web Development. Backend Skills: Laravel, PHP, MySQL, REST APIs Frontend Skills: JavaScript/Typescript, Svelte or Vue, React, HTML, CSS. Additional Skills: SOLID, Jest, Cloudflare, AWS, BrowserStack,... More ❯

Svelte/SvelteKit, Vue or React Solid understanding of TypeScript, JavaScript, MySQL, and RESTful API integration Experience with deployment tools (Forge, Envoyer), testing frameworks (Jest, Mocha), and cross-device/browser testing Strong HTML/CSS (incl. Tailwind), Web Security practices, and SOLID principles This is a fully remote role. More ❯

within Web Development. Backend Skills: Laravel, PHP, MySQL, REST APIs Frontend Skills: JavaScript/Typescript, Svelte or Vue, React, HTML, CSS. Additional Skills: SOLID, Jest, Cloudflare, AWS, BrowserStack, Mobile. Able to conduct code reviews and mentor developers where needed. Confident working across different teams. Good collaborative and communications skills. Salary More ❯

development and modern DevOps practices. A degree in Computer Science or Software Engineering (or equivalent professional experience). Experience writing automated tests (e.g., NUnit , Jest ). Knowledge of both relational and non-relational databases (e.g., SQL Server , PostgreSQL , MongoDB , Cosmos DB ). About the Organisation This SaaS company delivers a More ❯

environments using modern DevOps practices. A degree in Computer Science/Software Engineering or equivalent industry experience. Experience with writing automated tests (e.g., NUnit, Jest). Experience working with relational and non-relational databases (e.g., SQLServer, Postgres, MongoDB, CosmoDB). About Amici: Founded in 2005, Amici provides a cloud-based More ❯

and SOLID principles; Reactjs, Angular, Webpack based web-applications; Familiarity with functional programming REST API, Websockets Reactive Programming (RXJS); Experience of using Test Frameworks (JEST) SCSS/BEM Performance Testing Experience with DevTools and Performance Improvements CI/CD GIT Cross-browser support on mobile devices Upper-Intermediate/Advanced More ❯

user joy. Write clean code - Use modern best practices and help keep the codebase healthy and readable. Test like a pro - Use tools like Jest to write unit/integration tests and squash bugs before users ever see them. Work cross-functionally - Pair up with product managers, designers, and backend More ❯

developing web applications using React.js and TypeScript. Strong knowledge of Tailwind CSS and responsive design principles is required. Experience with Storybook, GitHub, GraphQL, Jenkins, Jest, OWASP, React, Serverless, TypeScript, Web UX/UI Design, JavaScript, and frontend development is essential. More ❯

Essential Requirements 2+ years of experience professionally developing web applications using React Excellent TypeScript/JavaScript programming skills Experience with testing libraries such as Jest or Playwright An appreciation for design and aesthetic details and their impact on the user experience Knowl... More ❯

MySQL Source control platforms such as Git Experience with logging tools - Elasticsearch, Rollbar Sentry, Jira Writing unit tests and using testing frameworks - Xunit, Nunit, Jest, Jasmine Agile Methodologies Desirables: AWS Terraform Benefits Package Competitive base salary Flexible/Remote Working - One day a month in Oxford Working on exciting unique More ❯

a Backend Developer: 3+ years backend experience with Nodejs, microservices, REST APIs (bonus if you have Kubernetes and Mongo) Strong unit testing background with JEST You’ve pushed your own code out to production Helped mentor or set up and ran standups Be an enthusiastic developer. Someone who can come More ❯

environments using modern DevOps practices. A degree in Computer Science/Software Engineering or equivalent industry experience. Experience with writing automated tests (e.g., NUnit, Jest). Experience working with relational and non-relational databases (e.g., SQLServer, Postgres, MongoDB, CosmoDB). About Amici: Founded in 2005, Amici provides a cloud-based More ❯

development practices (including use of Figma). Writing clean, maintainable, and efficient code that adheres to industry standards Conducting thorough testing using Vitest/Jest or similar testing libraries to ensure software quality and performance Translating business requirements into robust technical solutions Optimising website performance for speed, SEO, and accessibility More ❯

development practices (including use of Figma). Writing clean, maintainable, and efficient code that adheres to industry standards Conducting thorough testing using Vitest/Jest or similar testing libraries to ensure software quality and performance Translating business requirements into robust technical solutions Optimising website performance for speed, SEO, and accessibility More ❯

development practices (including use of Figma). Writing clean, maintainable, and efficient code that adheres to industry standards Conducting thorough testing using Vitest/Jest or similar testing libraries to ensure software quality and performance Translating business requirements into robust technical solutions Optimising website performance for speed, SEO, and accessibility More ❯

in React & similar modern front-ends. Python experience & associated frameworks (Django, Flask, FastAPI) Must have solid grasp of OOP principles Worked with testing frameworks (Jest, PyTest, Playwright, etc) Exposure across cloud services & relational databases A natural instinct to move fast & break things, learn what works, & iterate quickly. Someone who holds More ❯

Desirable Skills Flexible data querying, familiarity with frontend testing frameworks like Jest or React Testing Library, and a basic understanding of Docker and containerized development are desirable. Additionally, having experience in a Linux environment and domain knowledge in ERP systems. Required Skills We are looking for a candidate who is More ❯

with REST and GraphQL API integration Solid front-end experience with Vue.js, React/Next.js, and Tailwind CSS Strong debugging and testing skills (e.g. JEST, PEST) Well-organised, self-motivated, and team-oriented Commercially aware and comfortable engaging with client needs Additional Information: Applicants outside the UK cannot be considered More ❯

business, and ambiguity and uncertainty is high. Technology stack We have a Javascript-centric tech stack using React, Typescript, node.js. Our test stack uses Jest and Playwright We host on AWS and include services such as Lambda, S3, RDS, Cloudfront, Cognito, Appsync, CFT and CDK. We use 3rd party tooling More ❯

performance , ensuring speed and scalability across web applications Design, prototype, and validate UI concepts , ensuring technical feasibility Strengthen our test coverage , using tools like Jest to maintain quality Be part of a dynamic, supportive team where you can grow, innovate, and make a real impact What We’re Looking For More ❯

performance , ensuring speed and scalability across web applications Design, prototype, and validate UI concepts , ensuring technical feasibility Strengthen our test coverage , using tools like Jest to maintain quality Be part of a dynamic, supportive team where you can grow, innovate, and make a real impact What We’re Looking For More ❯

with a focus on reliability and user impact. Technical Environment: Primary stack includes TypeScript with React (front-end) and NestJS (back-end) Testing tools: Jest, ViteTest, and Playwright Architectures include SPAs, REST, and GraphQL APIs Hosted on AWS using ECS, RDS, S3 and related services More ❯