team, contributing to wider engineering and business initiatives that help us further scale our products as we continue to grow. Core Skills: React, Typescript, Next Other Skills: React Native, Jest, Cypress Seniority: Senior #J-18808-Ljbffr More ❯
company in a developer role Deep understanding of TypeScript, including its type system and advanced features. Extensive experience with AngularJS Strong knowledge of modern frontend development practices, including testing (Jest), build tools (Webpack), and UI/UX principles. Experience designing and implementing scalable web application architectures. Familiarity with RESTful APIs and API design principles. Experience with Agile development methodologies (e.g. More ❯
London, England, United Kingdom Hybrid / WFH Options
GlobalRelay
web testing frameworks Experience with any of the following is an asset: JavaScript frameworks, such as ExtJS, Angular or Vue.js Linux Selenium Unit testing with Mocha or Jasmine/Jest Enterprise application development What you can expect: At Global Relay, there’s no ceiling to what you can achieve. It’s the land of opportunity for the energetic, the intelligent More ❯
London, England, United Kingdom Hybrid / WFH Options
Limio Ltd
self-sufficient in using the Limio platform and resolving common technical issues. The Technology Our applications, managed by the separate Roadmap team, run on the following tech stack: Testing: Jest, React Testing Library, Mock Service Worker APIs: REST DevOps: AWS Serverless Technologies, Terraform, Docker About You You should apply if: You have at least 6 months of professional experience with More ❯
London, England, United Kingdom Hybrid / WFH Options
MoonPay
closely with product managers What you will be working with Typescript React and NextJS Node.js TypeORM, TypeDI, TypeGraphQL and routing-controllers Google Cloud Platform Postgres Redis Bull DataDog GitHub Jest Most importantly , you will embody the core principles that everyone here at MoonPay lives by. Our “BLOCK Values” are at the heart of everything we do - and they are: B More ❯
Requisition #: 16325 Our Mission: Powering Innovation That Drives Human Advancement When visionary companies need to know how their world-changing ideas will perform, they close the gap between design and reality with Ansys simulation. For more than 50 years More ❯
Bradford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
changes and deliver timely updates A minimum of six months’ commercial experience with React or a similar framework Excellent analytical and troubleshooting skills Familiarity with testing frameworks such as Jest and Mocha Experience working with Docker and Laravel Forge Understanding of AWS services, particularly Route 53 , S3 and CloudFront Exposure to message-queue systems such as RabbitMQ What’s in More ❯
London, England, United Kingdom Hybrid / WFH Options
Acurable
with ES2016+ and asynchronous programming concepts. You have good knowledge of React and are familiar with other frameworks. You like and have knowledge of testing with tools such as jest, testing library and/or cypress. You are familiar with responsive applications and have knowledge of css. You are passionate and like to keep up to date with different technologies. More ❯
London, England, United Kingdom Hybrid / WFH Options
Mintago
with a strong understanding of React Experienced with NextJS, preferably app router You consider unit testing a key part of software delivery You have used testing libraries such as Jest or Vitest and React Testing Library A drive to collaborate with the team and share your opinions to push our technology forwards Skills that are a nice to have TailwindCSS More ❯
of the development process Optimize 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 Strong knowledge of HTML, CSS More ❯
guidelines Handy, but not essential: Experience mentoring other developers Experience working on a multi-national codebase Previous experience in the energy industry Our stack: React GraphQL & Apollo Styled Components Jest & React Testing Library TypeScript Storybook Vercel (desirable) We would prefer someone who can work in our London office but will consider remote candidates. However, you do need to be able More ❯
London, England, United Kingdom Hybrid / WFH Options
Deel
STD, STP Experience withwork item tools like Jira Knowledge of SQL queries At least 5+ years of experience as a QA Engineer with a strong knowledge of: Mocha/Jest - or any other test runner Playwright/Cypress Axios/Got/Postman or any other tool for REST API testing CI/CD processes You're the Engineer we More ❯
projects Write unit tests and work on improvements of the current platforms - You must have extensive experience with using React and also have the capability to write unit tests (Jest, Enzyme, React-Testing Library). - Experience in implementation of responsive design based on provided mockups. This is a 6-month contract - OUTSIDE IR35 - Starting ASAP #J-18808-Ljbffr More ❯
deployment and management) whilst mentoring junior engineers and driving innovation within the mobile team. Requirements: 5+ Years Software Development Experience (3+ Years React Native) IOS and Android Detox/Jest Mobile App Architectures (MVC, MVVM, Flux) CI/CD Tools (Fastlane, Bitrise) Git/Bitbucket What you'll do: Work closely with the backend team (Integrate API's) Collaborate with More ❯
London, England, United Kingdom Hybrid / WFH Options
Redpanda Data
you sweat the details in layout, motion, spacing, and polish Deep understanding of modern front-end principles including component architecture, state management, and accessibility Familiarity with testing frameworks (e.g., Jest, Vitest, React Testing Library) and performance optimization strategies Experience collaborating with design teams and contributing to scalable design systems Proven ability to clearly articulate technical and visual ideas in writing More ❯
London, England, United Kingdom Hybrid / WFH Options
Damia Group
testing process Requirements: QA Engineering Experience (software testing experience). At least three years experience writing automated tests for web and/or non-web based applications Knowledge of Jest, Playwright and BDD tools (e.g. Cucumber) Nice to have: Experience of high volume, high availability, high stakes enterprise systems Experience building and/or testing REST and/or web More ❯