251 to 275 of 316 Jest Jobs in England

Frontend Engineer (GreenTech) - Typescript, React.js, Tailwind CSS, RESTful API's, Testing - Cypress/Jest, Complex Design & Architecture, Problem Solving! We're hiring for a GreenTech scale up who have recently secured huge PE funding and are looking for a Frontend Engineer who's owned the delivery of complex internal and customer facing frontends! You'll have the opportunity to own More ❯

frontend projects. Demonstrated success in developing responsive, user-friendly web applications. Strong expertise in TypeScript/React and the principles of component-based architecture. Skilled in unit testing using Jest and Pytest, with a focus on maintaining comprehensive test coverage. Practical experience with ORM, views, signals, and implementing security best practices. Proficient in using Docker for application containerisation and managing More ❯

Engineering, Construction) space Exposure to 3D graphics, rendering, or modelling tools (AutoCAD, Revit, etc.) Some C# or desktop app testing chops Experience with test libraries like Cucumber, Selenium, or Jest Familiarity with CI/CD tools like GitHub Actions or Azure DevOps Asite acquired 3D Repo in 2023 and has been scaling fast ever since. Our platform powers big players More ❯

Senior React Native Developer opportunity. Interviews are taking place shortly! Keywords: Senior React Native Developer, Mobile App Development, UI/UX, iOS, Android, Redux, RESTful APIs, GitHub, MSSQL, Mocha, Jest, Clean Code, Agile, FinTech, Hybrid Working, London, App Store, Google Play, Mobile App Launch Established in Didsbury, Connexa Technology Ltd is becoming one of the UK's fastest growing IT More ❯

Automation: Develop automated API tests using tools like Postman and Newman. Test Automation in Code: Collaborate with developers or work independently to develop automated tests using TypeScript, Java, JavaScript, Jest, and jUnit. Web Application Testing: Experience testing web applications built with Angular or similar frameworks. Test Execution: Conduct manual testing, accurately document results, and report defects promptly. Defect Management: Identify More ❯

Familiarity with continuous integration and development tools Ability to create database schemas supporting business processes Experience with TypeScript, Cordova, native Android/iOS development, RAIL, PWA, SSR, Node, Cypress, Jest Full-stack experience is a bonus, especially with Ruby or Elixir What We Are Looking For Proven experience in developing complex JavaScript SPAs Experience with React and Redux Familiarity with More ❯

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. We More ❯

and manipulation, optimization, best practices, tuning, and leading industry trends Experience in writing testable code using unit and integration tests, including familiarity with test frameworks such as Cypress, Serenity, Jest, and Karma Solid knowledge of architectural principles such as domain-driven design, event-driven systems, micro-frontends, and microservices Ability to partner and lead internal and external technology resources in More ❯

party services. Understanding of software development principles and best practices. Experience with version control systems (Git). Experience with cloud platforms (AWS) is a plus. Experience with testing frameworks (Jest) is a plus. Excellent problem solving and debugging skills. Strong communication and collaboration skills. Ability to work independently and as part of a team. Experience in the property management or More ❯

Strong knowledge of web accessibility standards and experience using screen readers for a solid understanding of their behaviour ( JAWS , NVDA OR VoiceOver ). Testing experience with tools such as Jest , React Testing Library , Playwright , or Cypress. Familiarity with CI/CD , version control (Git), and semantic versioning. Experience documenting components using Storybook or similar tools and eventually training other developers More ❯

Strong knowledge of web accessibility standards and experience using screen readers for a solid understanding of their behaviour ( JAWS , NVDA OR VoiceOver ). Testing experience with tools such as Jest , React Testing Library , Playwright , or Cypress. Familiarity with CI/CD , version control (Git), and semantic versioning. Experience documenting components using Storybook or similar tools and eventually training other developers More ❯

Strong knowledge of web accessibility standards and experience using screen readers for a solid understanding of their behaviour ( JAWS , NVDA OR VoiceOver ). Testing experience with tools such as Jest , React Testing Library , Playwright , or Cypress. Familiarity with CI/CD , version control (Git), and semantic versioning. Experience documenting components using Storybook or similar tools and eventually training other developers 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. CMS platforms like Strapi. What We Offer At MrQ, we take pride in providing More ❯

junky and obsessed with getting 100% Lighthouse scores Handles Eloquent/ORM with MySQL/PostgreSQL efficiently and knows how to debug slow queries Automated tests using Playwright, Pest, Jest or similar are a natural part of your daily work Building re-usable Components with Storybook using Vue gives you joy Building a component-based front-end using Vue.js and More ❯

code Remix or Nextjs (or you're excited to learn remix ) – You understand how to navigate the frameworks and how SSR works Testing – You’ve used tools like Vitest, Jest, or Testing Library to test components and user flows Communication – You write clearly, ask thoughtful questions, and give kind, constructive feedback A keen eye for UX – You’ll work with More ❯

the wider business. Tech stack We're pragmatic about our technology choices. These are some of the things we use now: TypeScript, React, styled-components Python ️PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytest ️ AWS, GCP ECS Fargate, Docker, Terraform, GitHub Actions How we expect you to work We expect you to work in these ways, as well as More ❯

. You have used any state management tools such as Redux, Flux, ReCoil, MobX (etc). You wrote unit and end-to-end tests using tools such as Mocha, Jest or similar. Bonus points if you've worked with Material UI and Webpack. This job likely isn't for you if: You need detailed, step-by-step instructions to work More ❯

within the role. Tech stack We're pragmatic about our technology choices. These are some of the things we use now: TypeScript, React, styled-components Python PostgreSQL, BigQuery, MySQL Jest, React Testing Library, Cypress, pytest AWS, GCP ECS Fargate, Docker, Terraform, GitHub Actions How we expect you to work We expect you to work in these ways, as well as More ❯

and implement user & system metrics and observability as you go to continually learn, assess and improve 9fin's platforms and products. Our Frontend Stack React 18 Typescript React query Jest, React Testing Library, Playwright Storybook Launch darkly feature flagging Next.js Vite About You This role will be a great fit if you: Experienced with React, modern ES6 and TypeScript to More ❯

Job Description Senior Fullstack Engineer (React & TypeScript) - Capital Markets FinTech c.£80-100k [London] Building Cutting edge data visualisation libraries About the Role: Volition has partnered with a rapidly scaling FinTech who are looking for a highly skilled Senior More ❯

If you're an experienced engineer with extensive knowledge about Frontend Web development, who also has a passion for building delightful user experiences, join us! As an Angular/TypeScript Software Engineer, you will be responsible for building front end More ❯

If you're an experienced engineer with extensive knowledge about Frontend Web development, who also has a passion for building delightful user experiences, join us! As an Angular/TypeScript Software Engineer, you will be responsible for building front end More ❯

web applications using React, Next.js, and TypeScript Lead frontend architecture and design within your squad Champion accessibility and performance best practices Write robust unit and end-to-end tests (Jest, Playwright/Cypress) Mentor developers and drive high-quality code through reviews Collaborate with cross-functional teams to deliver impactful features What You Bring: Extensive frontend development experience Deep knowledge … architecture Strong testing skills and experience with Storybook and cloud platforms (Azure a plus) A passion for clean code, collaboration and continuous improvement Tech: Microsoft Azure | React | Typescript | Next.js | Jest | Storybook | Playwright | Cypress | Server Side Rendering (SSR) | Static Generation (SSG) We take our inspiration from pets in embracing people from all walks of life, and we value, respect and celebrate More ❯

Being transparent with the team (both upwards and downwards) about challenges, failures, and successes Requirements In our tech stack, we use the latest technologies, such as React, , Typescript, Tanstack , Jest, Docker, and Kubernetes, all hosted in Google Cloud. About You: Deep understanding of React and it’s ecosystem Solid understanding of TypeScript Experience integrating with cloud services, and RESTful APIs. … Modern frontend build tooling (Webpack/Parcel, ESlint, Cypress, Jest, Babel, NPM/Yarn) Proficiency in frontend markup and styling Interested in writing high quality, robust code involving approaches such as unit testing, code coverage and static code analysis. Have a product mindset: At Skimlinks we truly believe that feature ideas can come from anywhere Voted “Best Places to Work More ❯

tech solutions. Experience: Extensive experience using frontend frameworks – React, Next.js, Angular, Vue Experienced using design and prototype tools such as Figma, Sketch, AdobeXD, InVision Knowledge of testing frameworks like Jest and Cypress Cloud experience with Azure, AWS, or GCP Any knowledge of LLMs and AI would be beneficial Salary Package: They offer a great salary package of up to – Inside More ❯