of applications, handling large datasets efficiently. Collaborate with the team to design and implement robust APIs using GraphQL and RestAPI. Conduct thorough testing using Jest and similar tools to ensure code quality and reliability. Contribute to the architecture and design of Web 3 solutions, leveraging Polygon, NFTs, and other related … science, Software Engineering, or a related field (or equivalent experience). Strong expertise in TypeScript, JavaScript, RestAPI, Vue, Vite, TypeORM, Prisma, Git, NestJS, SQL, Jest, and GraphQL. Experience with Cloud Tech and serverless technologies, with GCP as necessary and AWS is an advantage. Previous experience working with Web3 technologies, particularly more »
experience working with Node.js and React.js with a deep understanding of both. 3+ years experience developing code with TypeScript. Experience of automated testing (Playwright, Jest or similar). Comfortable with autonomy and ability to learn quickly. Excellent communication and happy to be on site twice a week. A mix of more »
cross-platform mobile app development. Design: Experience with prototyping tools (Miro, Figma, Sketch) for rapid iteration of new designs and ideas. Testing: Testing frameworks (Jest, Mocha, Jasmine), Selenium, Cypress, TDD and BDD approaches to ensure code quality and application performance Familiarity with e-commerce best practices, including SEO, payment gateway more »
architect scalable and reusable components and understand component lifecycle in React. State Management deep RESTful APIs and GraphQL Knowledge of testing frameworks such as Jest, Enzyme, Playwright etc. Continuous Integration/Continuous Deployment (CI/CD): Understanding of CI/CD pipelines and deployment strategies for React applications. Personal Excellent more »
architect scalable and reusable components and understand component lifecycle in React. State Management deep RESTful APIs and GraphQL Knowledge of testing frameworks such as Jest, Enzyme, Playwright etc. Continuous Integration/Continuous Deployment (CI/CD): Understanding of CI/CD pipelines and deployment strategies for React applications. Personal Excellent more »
london, south east england, United Kingdom Hybrid / WFH Options
BPP
and cloud technologies such as Typescript, React, Node.js, Next.js & AWS. You will be an expert in test driven development practices using frameworks such as Jest, Cypress and React Testing Library. You will be passionate about fostering an inclusive environment, supporting the learning and growth of a diverse group of engineers. more »
london, south east england, United Kingdom Hybrid / WFH Options
Tata Consultancy Services
of building CI/CD pipelines using Jenkins. Experience working with deployment tools like UCD. Hands on experience writing Unit Tests using frameworks like Jest, JUnit etc. Good to have: Strong troubleshooting skills across the entire application stack. A sound understanding of architecture principles and best-practice deployment patterns. Experience more »
Skills in 💡: JavaScript, React.js, TypeScript, HTML, and CSS. Practices 🏆: Familiarity with web development best practices. Tools 🧪: Exposure to automated testing tools and frameworks like Jest and Playwright. Control 🔄: Experience with git and deployment workflows. Skills 💬: Excellent communication and problem-solving abilities. Extra Points For: Server-Side Rendering 🌐: Knowledge of SSR more »
london, south east england, United Kingdom Hybrid / WFH Options
Texcel
Skills in 💡: JavaScript, React.js, TypeScript, HTML, and CSS. Practices 🏆: Familiarity with web development best practices. Tools 🧪: Exposure to automated testing tools and frameworks like Jest and Playwright. Control 🔄: Experience with git and deployment workflows. Skills 💬: Excellent communication and problem-solving abilities. Extra Points For: Server-Side Rendering 🌐: Knowledge of SSR more »
london, south east england, United Kingdom Hybrid / WFH Options
Global Relay
standards and principles like dependency inversion (SOLID etc). Worked in an Agile environment Web Service API integration Unit testing with Mocha, Jasmine/Jest, React Test What you can expect: At Global Relay, there’s no ceiling to what you can achieve. It’s the land of opportunity for more »
non-technical colleagues. Key Technologies you will encounter: JavaScript, React, ES6, HTML, CSS, REST APIs .NET, C#, MS SQL Material UI, Entity Framework, Highcharts, Jest SVN/Git, IIS 5+ years of professional front-end development experience The Salary, Location, Process Salary Range: £65,000 - £80,000 (based on experience more »
ReactJS based Frontend development (other frameworks are fine, but willing to use react): Experience writing unit tests and integration tests for complex web applications (Jest, Puppeteer, Enzyme) Comfortable taking a static design and building it into a new application/feature. Comfortable working with git for source control and familiar more »
london, south east england, United Kingdom Hybrid / WFH Options
Oakwell Hampton
workshops What they are looking for: 4+ years of experience working with React, JavaScript and Typescript Exposure to automated testing tools and frameworks (e.g. Jest, Playwright) Experience with git and deployment workflows Proactive approach to work Excellent communication and problem-solving skills To learn more about the company and the more »
a class component. We use Sass modules for styling our components. We write our tests using React Testing Library, we’ve recently moved from Jest to Vitest as our runner and we’re expanding our Playwright coverage. We respond to Sentry monitoring and resolve issues as soon as possible. Benefits more »
london, south east england, United Kingdom Hybrid / WFH Options
Purple Dot - The Pre-Commerce Company
data and building data-heavy features, or working on data warehousing and data analysis tooling. Experience managing large automated test suites, ideally tools like Jest and Cypress. Benefits £80k - £110k salary. £1000 per year to spend on your own holidays. £1000 per year to spend on your own learning and more »
XCode, etc that are needed for cross platform development. • Any prior experience in setting up Native Bridge would be an additional advantage. • Experience with Jest or Mocha for unit testing. • Should have integrated with various backend systems using SOAP/REST Web Services and should be familiar with session management more »
XCode, etc that are needed for cross platform development. • Any prior experience in setting up Native Bridge would be an additional advantage. • Experience with Jest or Mocha for unit testing. • Should have integrated with various backend systems using SOAP/REST Web Services and should be familiar with session management more »
AMP People | Hiring Tech Leaders for Purpose Driven Companies | UK, US, Europe
and core concepts. Proficiency with type systems like TypeScript or Flow, and extensive knowledge of React and its ecosystem. Experience with Git, testing libraries (Jest/Enzyme/react-testing-library), and modern application stacks such as Redux, React Hooks, and React Navigation. more »
AMP People | Hiring Tech Leaders for Purpose Driven Companies | UK, US, Europe
and core concepts. Proficiency with type systems like TypeScript or Flow, and extensive knowledge of React and its ecosystem. Experience with Git, testing libraries (Jest/Enzyme/react-testing-library), and modern application stacks such as Redux, React Hooks, and React Navigation. more »
Type systems like TypeScript or Flow Deep knowledge of React and the surrounding open-source ecosystem. Git, especially within teams Testing libraries and methods (Jest/Enzyme/react-testing-library) Modern mobile/web application stack: State management with React Context, Redux, React Hooks Build tooling (Webpack & Metro bundler more »
london, south east england, United Kingdom Hybrid / WFH Options
Travelex
Type systems like TypeScript or Flow Deep knowledge of React and the surrounding open-source ecosystem. Git, especially within teams Testing libraries and methods (Jest/Enzyme/react-testing-library) Modern mobile/web application stack: State management with React Context, Redux, React Hooks Build tooling (Webpack & Metro bundler more »
building application .net, core, MS-SQL, IIS. on experience of version control platforms such as GitHub. on experience writing Unit Tests using frameworks like Jest, JUnit etc. and fix SAST and DAST scans (Checkmark, Aqua, NexusIQ, SonarQube). Good to have: Strong troubleshooting skills across the entire application stack. A more »
XCode, etc that are needed for cross platform development. Any prior experience in setting up Native Bridge would be an additional advantage. Experience with Jest or Mocha for unit testing. Should have integrated with various backend systems using SOAP/REST Web Services and should be familiar with session management more »
XCode, etc that are needed for cross platform development. Any prior experience in setting up Native Bridge would be an additional advantage. Experience with Jest or Mocha for unit testing. Should have integrated with various backend systems using SOAP/REST Web Services and should be familiar with session management more »