1 to 25 of 41 Jest Jobs in England

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/CD SDLC environment. Knowledge of data structures, algorithms, and designing for performance. Excellent stakeholder management skills Previous More ❯

delivery and a unified customer experience. 4. Governance, Security & Quality Ensure accessibility (WCAG 2.1), internationalization (i18n), and performance benchmarks are consistently met. Establish frontend testing strategy using tools like Jest, React Testing Library, Cypress, etc. Partner with security teams to implement secure-by-design frontends aligned with SaaS compliance needs (e.g., OWASP, SSO, GDPR). Required Qualifications Bachelor's or More ❯

directly influence trading performance. What You’ll Be Doing Building UIs with modern tech such as React, ES6, Node.js, TypeScript, GraphQL, SQL/NoSQL, Redux, CSS-in-JS, Webpack, Jest, Enzyme Delivering high-quality, well-tested, and maintainable code Collaborating with internal stakeholders to plan, coordinate, and gather feedback Contributing to the full product lifecycle, from concept to deployment Championing More ❯

IAM/Auth0). Deep understanding of SDLC, Agile delivery, and cross-functional collaboration (Product, UX, QA). Proficient in CI/CD, Docker, Git, and test frameworks like Jest and Cypress. Strong communication skills able to bridge technical and non-technical stakeholders. Experience with Jira for sprint planning and delivery tracking; familiarity with Figma for UI handoffs. Track record More ❯

17+) , Spring Boot , and modern front-end frameworks like React and TypeScript . Strong understanding of REST APIs , CI/CD pipelines , and test-driven development using tools like Jest, Cypress, Playwright, or Pact. Proficiency with HTML5, CSS3, Redux, Docker, GitHub , and monitoring tools such as Grafana, Dynatrace or ELK . Experience managing and mentoring software engineers in Agile teams. More ❯

technologies across the group - Participate in Scrum ceremonies The Ideal Candidate: - Extensive experience with frontend technologies (React, JavaScript, Typescript, Redux, HTML5 and CSS3) - Experience with testing frameworks such as Jest, React Testing Library, Cypress and Playwright - Exposure to CI/CD, Github, Docker, Jenkins and Grafana (a nice to have) - Experience managing a team of software developers from a people More ❯

languages such as Java/Springboot, PHP or .Net would also be beneficial, although not essential. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing to ensure system reliability and performance. More ❯

Hands-on experience with DevOps practices (CI/CD pipelines, Docker, GitHub Actions). Familiarity with frontend tooling such as Vite, ESLint, CSS-in-JS, and testing frameworks like Jest or Cypress. Excellent communication and collaboration skills. Strong leadership skills and the ability to guide teams through technical decisions. A passion for quality, performance, and security. Highly Desirable: Experience with More ❯

Design: Expertise in crafting seamless experiences across desktop, tablet, and mobile. Testing & Quality Assurance Establish and enforce unit testing, component testing, and integration testing strategies. Utilise tools such as Jest, Vue Test Utils, and Cypress to maintain code reliability. Automate testing and CI/CD pipelines to ensure smooth deployments. REST API Integration & Performance Optimisation Design and optimise REST API More ❯

MySQL (Google Cloud SQL), MongoDB Cloud: Google Cloud Run, Cloud Storage, AWS EC2/S3/Lambda Tools: Docker, GitHub, Jira, AI-assisted dev tools (Copilot, ChatGPT) Testing: Pytest, Jest, Cypress (AI-assisted test generation encouraged) Why Join Us? AI-first development environment we embrace AI to accelerate build, test, and release cycles. Work on cutting-edge SaaS used by More ❯

MySQL (Google Cloud SQL), MongoDB Cloud: Google Cloud Run, Cloud Storage, AWS EC2/S3/Lambda Tools: Docker, GitHub, Jira, AI-assisted dev tools (Copilot, ChatGPT) Testing: Pytest, Jest, Cypress (AI-assisted test generation encouraged) Why Join Us? AI-first development environment we embrace AI to accelerate build, test, and release cycles. Work on cutting-edge SaaS used by More ❯

for existing applications when necessary. About You Experience with TypeScript, React, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. PHPUnit, Playwright, Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful API development More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯

Ionic Collaborate with UX designers to translate wireframes into polished, user-centric interfaces Build and maintain component libraries using Storybook Write clean, maintainable code and develop robust test coverage (Jest, React Testing Library) Work within agile teams, participating in ceremonies and driving continuous improvement Integrate front-end components with APIs and back-end services Act as a subject matter expert More ❯

Ionic Collaborate with UX designers to translate wireframes into polished, user-centric interfaces Build and maintain component libraries using Storybook Write clean, maintainable code and develop robust test coverage (Jest, React Testing Library) Work within agile teams, participating in ceremonies and driving continuous improvement Integrate front-end components with APIs and back-end services Act as a subject matter expert More ❯

would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature, please contact More ❯

in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature, please contact More ❯

API development Event Driven Architecture, Event Systems Messaging Queues WebSockets SQL, NoSQL DevOps - CI/CD, Docker, GitHub. Desirable skills: WebAssembly IaC AWS Cloud Development Kit Integration testing using Jest or similar NextJS This is an urgent vacancy so if you are interested then please apply quoting reference 102889. React | TypeScript | NodeJS | AWS | Event driven Architecture | CDK | Lambda | Cognito | S3 More ❯

UX, User-centred design, accessibility (WCAG/WAI) and usability Wireframes, prototypes and high-fidelity mock-ups Figma or similar e.g. Sketch, Adobe XD Testing frameworks (e.g. Cypress, Mocha, Jest), and broader testing tools such as Selenium, Playwright, Docker, Postman, GitHub or similar The Where and When This is a full-time role (35 hours per week) based in our More ❯

of a high-impact platform. If you're passionate about clean code, scalable architecture, and modern tooling—this one's for you! Tech Stack: React.js Node.js TypeScript REST APIs Jest/Enzyme/Cypress AWS Interested? Apply now or send your latest CV to ASAP! If you haven’t heard back within 48 hours, please assume your application was not More ❯

with a strong focus on React Native . Deep understanding of JavaScript/TypeScript , mobile performance optimization, and component-based architecture. Solid knowledge of mobile development workflows, debugging, testing (Jest, Detox), and CI/CD. Experience integrating RESTful APIs and third-party libraries. Strong communication and leadership skills, with a track record of mentoring developers and promoting coding standards. Nice More ❯

deploying secure, scalable web applications in AWS. Mastery of modern frameworks such as React, FastAPI, and NodeJS Experience with Rest APIs Skilled in writing and maintaining comprehensive test suites (Jest, React Testing Library, Cypress). Experience with core AWS services (e.g., EC2, S3, Lambda) and infrastructure-as-code using AWS CDK. Experience with system design, performance optimization, observability, and operational More ❯

Availability Znes, Region Paris IOT expereince DevOps CI/CD working/best practices. Automation first approach. TeamCity, Octopus Deploy Git, including GitFlow & Pull Requests/Peer Reviews. ReactJs, Jest, ESLint, Sinon, Npm, Webpack Working with Geospatial data. Azure Big Data technologies, DataLake, Sql Data Warehouse, Azure Databricks Media Decoding Academic background in a scientific or technical discipline with some More ❯

Availability Znes, Region Paris IOT expereince DevOps CI/CD working/best practices. Automation first approach. TeamCity, Octopus Deploy Git, including GitFlow & Pull Requests/Peer Reviews. ReactJs, Jest, ESLint, Sinon, Npm, Webpack Working with Geospatial data. Azure Big Data technologies, DataLake, Sql Data Warehouse, Azure Databricks Media Decoding Academic background in a scientific or technical discipline with some More ❯