26 to 50 of 76 Jest Jobs in England

automation, CI & deployment tooling such as Git & Actions 2-4 years experience with frameworks and languages: React, Typescript, State Management (Zustand/Redux) You are already Unit Testing with Jest or React-Testing-LIbrary You are aware of the impact of performance & accessibility and understand techniques for improving load and render times. You will have as much passion in HOW More ❯

self-improvement Proven track record on code delivery and support Desirable Criteria It would also be beneficial, but not necessary, to have some of the following: Gradle Agile (SAFe) Jest Testing Redux Saga MUI Git/Github Jenkins If you do not have all the Good to Have or Desirable Criteria, your application will be considered. We value diverse perspectives More ❯

self-improvement Proven track record on code delivery and support Desirable Criteria It would also be beneficial, but not necessary, to have some of the following: Gradle Agile (SAFe) Jest Testing Redux Saga MUI Git/Github Jenkins If you do not have all the Good to Have or Desirable Criteria, your application will be considered. We value diverse perspectives 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 ❯

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 ❯

C# and .NET 8 Optimise SQL Server queries, indexing, and stored procedures Contribute across the stack using ReactJS v6, TypeScript, Redux, and SCSS Write clean, testable code using xUnit, Jest, and React Testing Library Operate independently within an agile, remote-first team using Git and Jira Follow clean architecture principles and contribute to best coding practices The Person: Experienced Full More ❯

C# and .NET 8 Optimise SQL Server queries, indexing, and stored procedures Contribute across the stack using ReactJS v6, TypeScript, Redux, and SCSS Write clean, testable code using xUnit, Jest, and React Testing Library Operate independently within an agile, remote-first team using Git and Jira Follow clean architecture principles and contribute to best coding practices The Person: Experienced Full 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 ❯

resolve complex software issues, including network-level troubleshooting. Collaborate closely with cross-functional teams including firmware, support, and production. Champion strong testing practices across the stack using tools like Jest and Vitest . What We're Looking For Expert-level experience in backend development with TypeScript . Solid understanding of AWS cloud infrastructure and infrastructure-as-code (IaC), ideally using More ❯

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 to More ❯

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. Strong More ❯

A team player with a desire to learn more • You like a challenge and are willing to take responsibility Desirable Skills: • Prototyping and Wireframing • Experience using Javascript testing frameworks (Jest, QUnit etc.) About us KION Supply Chain Solutions (KION SCS) is an operating unit of the KION Group, consisting of the two strong and successful brands Dematic and DAI. Dematic More ❯

Node.js Good UI/UX understanding – ideally experience implementing Figma designs Web APIs experience including real-times events, WebSockets and camera access Good experience with testing frameworks such as Jest, React Testing Library Experience with Cloud Infrastructure – the team are currently working with AWS If this role sounds like a great match for you and you’d like further details More ❯

Strong experience in test automation and functional testing Expertise in Playwright with JavaScript/TypeScript and C# Experience testing SPAs, APIs (Playwright API, Postman, REST Assured,) Familiarity with Mocha, Jest, BDD tools like Cucumber (preferred) CI/CD knowledge (Git, Jenkins, Azure DevOps) What's on Offer Varied, engaging work with new challenges daily Projects across public and private sectors More ❯

/React Native, Python (Django, Django REST framework, pandas) Docker, Postgresql, Airflow, Redis, Kafka CircleCI & Terraform AWS services (RDS, Elasticache, EC2, ECS, Fargate, Lambda, Batch, etc.) JIRA, Sentry, Mixpanel Jest, react-testing-library, Cypress Leadership/mentoring Mobile-first and PWA Problem-solving Senior Front End Engineer rewards: A base salary of circa 65-70k L&D budget Stock More ❯

and stability across our app ecosystem. Guide and mentor junior developers, providing technical direction and support. Support and advocate for test automation across the mobile stack using tools like Jest and Vitest . What We're Looking For Expert-level experience building cross-platform mobile apps with React Native and TypeScript . Solid understanding of Git , version control, and CI More ❯

and stability across our app ecosystem. Guide and mentor junior developers, providing technical direction and support. Support and advocate for test automation across the mobile stack using tools like Jest and Vitest . What We're Looking For Expert-level experience building cross-platform mobile apps with React Native and TypeScript . Solid understanding of Git , version control, and CI More ❯

and stability across our app ecosystem. Guide and mentor junior developers, providing technical direction and support. Support and advocate for test automation across the mobile stack using tools like Jest and Vitest . What We're Looking For Expert-level experience building cross-platform mobile apps with React Native and TypeScript . Solid understanding of Git , version control, and CI More ❯

and Next.js Strong understanding of component-based architecture and front-end data modelling Solid experience working with REST APIs and .NET-integrated environments Experience with modern testing tools (e.g. Jest, React Testing Library) Proficiency with version control systems, particularly GitHub Hands-on technical delivery background, not just leadership or management Experience with Ionic is highly desired Experience mentoring and supporting More ❯

leading Agile teams and working in an iterative development environment. Familiarity with microservices architecture and DevOps best practices. Experience with test management and test automation tools (e.g., Selenium, Cypress, Jest etc.). Hands-on experience integrating automated testing in CI/CD pipelines. Strong problem-solving and stakeholder management skills. NODE.JS exp is non-negotiable More ❯

field; with 3+ years industry experience or equivalent combination of education, training, and experience; Good to have: • Experience with Next.js • Experience with Redis/Memcached • Experience with PHPUnit, mocha, jest, or similar ; • Experience in server technologies, specifically AWS; • Experience in Docker applications will be a plus; • Familiarity with open-source software a plus; • Familiarity with JIRA, Jenkins, Elasticsearch, Grafana, Kibana More ❯

for UX and UI design best practices. Excellent problem-solving skills and attention to detail. Awareness of technical SEO principles. Nice to have: Modern front-end testing tools like Jest and React Testing Library. Node.js. Modern front-end build pipelines and tools, such as Babel, Webpack. Agile/Scrum methodologies. CMS platforms like Strapi. Internationalisation. What We Offer At MrQ More ❯

engineering principles, including data structures, algorithms, and software design Solid understanding of web application architecture, including APIs, HTTP requests, databases, caching, and related concepts Used testing frameworks such as Jest to write and maintain unit tests for your code, and browser automation tools such as Cypress or Playwright for test automation Preferred Qualifications Bachelor's or Master's degree in More ❯