24 of 24 Jest Jobs in the UK

PostgreSQL, MongoDB) Build secure and performant RESTful APIs Implement scalable backend services and microservices Optimise application performance and system reliability Implement automated tests using Jest, Cypress, and TDD practices Collaborate with product managers, designers, QA, and DevOps teams Participate in code reviews and maintain high engineering standards Contribute ...

years of professional software development experience. Infrastructure & Tooling: Proficient with Docker, CloudFormation, GitLab, Jenkins , Maven, and SonarQube. Testing Frameworks: Experience with Karate, Gherkin, Cypress , Jest, or similar. DevOps: Proven experience in CI/CD pipeline design and operation. Scripting: Familiarity with Node.js, Groovy, and Bash. The Package Competitive salary (Circa ...

APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge ...

APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge ...

Node 10, Typescript. Tooling: Gitlab, Jenkins, Maven, Docker, Fortify on Demand or similar, SonarQube or similar Cypress/Selenium, BDD-Gherkin --> Karate/Cucumber, Jest Demonstrable evidence of leading and mentoring teams, combined with strong stakeholder management and an ability to communicate effectively at all levels within an organisation. Able ...

APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge ...

validation, and ARIA accessibility standards. Familiarity with bundlers like Webpack/Rollup and environment configuration. Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine). Comfortable working in Agile teams and applying DevOps practices. Strong foundation in Object-Oriented Programming, design patterns, and data structures. Experience with ...

libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding ...

work with a variety of technologies. You'll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node.js, Jest, Cypress Ruby (non-Rails environment) - nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive ...

integrations. CI/CD experience preferable but not required. Unit testing: Implementing unit testing as part of development best practice. Familiarity with NUnit/Jest/Playwright is advantageous but not essential. Implementing accessible and performance best practices: Working with designers to ensure that the website and application they create ...

best practices• Mentor and support a junior Front End Developer Key Skills Required:• React + TypeScript• Redux• JavaScript• HTML & CSS• Component-based development Desirable:• Jest or automated front-end testing experience• Azure DevOps exposure• React Native experience If you are interested in this opportunity and would like to hear more ...

experience with AWS SAM including templates, pipelines and parameterised stacks CI/CD experience with GitHub Actions and automated testing using tools such as Jest/Vitest, Postman/Newman or Pact Strong backend development in Node.js/TypeScript (Go or Python also welcome) and solid API design skills across ...

Required Skills Strong experience with React JavaScript (ES6+)/TypeScript HTML5, CSS3, responsive design State management (Redux, Context, etc.) REST APIs, Git, basic testing (Jest/Cypress) Nice to Have Next.js, design systems, Storybook UI libraries (MUI, Tailwind, Ant Design) Accessibility (WCAG) Reasonable Adjustments: Respect and equality are core values ...

Required Skills Strong experience with React JavaScript (ES6+)/TypeScript HTML5, CSS3, responsive design State management (Redux, Context, etc.) REST APIs, Git, basic testing (Jest/Cypress) Nice to Have Next.js, design systems, Storybook UI libraries (MUI, Tailwind, Ant Design) Accessibility (WCAG) Reasonable Adjustments: Respect and equality are core values ...

improving an existing codebase, rather than only greenfield work. Familiarity with cloud platforms (AWS, GCP, or Azure) for hosting and deployment. Testing experience (Jest, Pest, PHPUnit, or similar). Exposure to CI/CD pipelines. Nice to have Mentoring or technical lead experience. React Developer (Full Stack, React/Laravel ...

maintaining feature-level test scenarios Experience building modern web applications Experience integrating with APIs and handling dynamic data Experience with unit testing using Jest Experience with end-to-end/integration testing using Playwright Strong understanding of responsive design and UI/UX best practices Experience with version control (e.g. ...

bring (or Required Skills/Qualifications): Back‐end: Java (Spring Boot) and/or Go. Front‐end: React or Vue.js. Testing: JUnit/Jest/Cypress (or equivalent). Tooling: GitLab/Git, Docker, Kubernetes, Helm, GitLab CI/Argo CD/Jenkins, Jira/Confluence. Experience leading agile teams ...

bring (or Required Skills/Qualifications): Back‐end: Java (Spring Boot) and/or Go. Front‐end: React or Vue.js. Testing: JUnit/Jest/Cypress (or equivalent). Tooling: GitLab/Git, Docker, Kubernetes, Helm, GitLab CI/Argo CD/Jenkins, Jira/Confluence. Experience leading agile teams ...

implement improvements. Required Qualifications & Experience Strong TypeScript and React experience (React 16+). Proficient in JavaScript ES6+. Experience with React Testing frameworks like Jest and Enzyme. A keen sense of design and desire to build a better mousetrap. General understanding of supporting infrastructure: git, microservices, containers, etc. Comfortable working with ...

with React & NodeJS Familiarity with relational databases, such as PostgreSQL or MS SQL Experience writing well maintained, testable code using frameworks like Vitest or Jest Familiarity with modern authentication systems (better-auth or similar) Desirable: Experience with any of the following Expo/React Native or native mobile development ...

using MySQL. Solid understanding of networking concepts such as TCP/IP, LANs and WANs. Ability to work with test frameworks such as Pytest, Jest or Cypress. Capacity to produce and maintain detailed technical documentation for product rollouts. Strong analytical mindset with the ability to manage individual tasks to tight ...

environments Core Technology Environment: • Linux (Debian/Ubuntu) • Apache • MySQL • Python • PHP • ReactJS • NodeJS • CI/CD Pipelines • BitBucket • JIRA • Xray/Pytest/Jest/Cypress • TCP/IP Networking • WAN/LAN Technologies • Satellite Communications Infrastructure • VoIP/Asterisk Platforms Requirements: • Strong software engineering and systems development background ...

Bash, Python, PHP, ReactJS and NodeJS) Experience of CI/CD pipelines, Bitbucket and JIRA environments Experience of at least one of Xray, Pytest, Jest, Cypress test frameworks Experience of SonarQube code quality tool (desirable) Programming knowledge of SOA architectures (Desirable) Working knowledge of satellite networks and infrastructure (desirable) Asterisk ...

with a mix of the following technologiesLinux Debian and UbuntuApache and MySQLPython PHP Bash ReactJS NodeJSCI CD pipelines Bitbucket JiraTesting frameworks such as Pytest Jest Cypress or XrayIP networking VoIP and distributed systems What we are looking for Strong commercial experience as a Developer with leadership or senior responsibility Solid ...

Role Summary We are seeking Senior Frontend Software Engineers to work within cross‐functional feature teams delivering front‐end led capabilities for the Data Marketplace . The role focuses on building accessible, high‐quality, and ...