background in front-end development with significant experience working with React with TypeScript Experience in Redux or Zustand Experience in React Query Experienced with Jest for Unit Testing Should be able to demonstrate a strong core front-end skillset of HTML 5, CSS 3, JavaScript and TypeScript Experience working within more »
will have an extensive background in front-end development with significant experience working with React and JavaScript Experienced with RTK Query, GraphQL, REST and Jest for Unit Testing Should be able to demonstrate a strong core front-end skillset of HTML 5, CSS 3, JavaScript and TypeScript Experience working with more »
manage Continuous Integration pipelines and automated test suites. Familiarity with Test Driven Development (TDD) and Behavioural Driven Development (BDD) methodologies and writing tests using Jest, Enzyme, Chai, Sinon, and Istanbul. Understanding of cross-platform/browser compatibility. Hands-on experience with server-side microservices/Lambda-style functions using Node.js. more »
build tools and package managers (e.g., Webpack, Babel, npm). Strong knowledge of RESTful APIs and asynchronous programming. Experience with testing frameworks such as Jest, Enzyme, or React Testing Library. Solid understanding of responsive web design principles and mobile-first development. Excellent problem-solving skills and ability to debug complex more »
Greater London, England, United Kingdom Hybrid / WFH Options
AdvisoryAI
strong portfolio of successful projects. ● Expert-level proficiency in ReactJS, NextJS, Ruby on Rails, HTML, and CSS. ● Strong experience with testing frameworks such as Jest, Cypress, and RSpec. ● Familiarity with UI/UX design principles and ability to collaborate eectively with design teams. ● Excellent problem-solving skills and ability to more »
in express and React ,express , node js and Typescript Experience working with oath2 (AWS Cognito or Azure AD B2C) Experience in testing using Vitest, Jest , react-testing-library Experience with react state management (preferable redux-toolkit or Zustand) and packages like (react-hook-form and react-query) Working knowledge with 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 »
including animations Can articulate WCAG accessibility requirements Implement effective GraphQL front-end implementations Managing a git repository effectively using git flow Unit testing using jest Manage continuous integration pipelines with Azure DevOps This role will best suit: The perfectionist developer – someone who cares about coding quality! Commercially savvy – help make more »
you are a foodie you may have found your match! Joining as Frontend Developer working on a stack consisting of React.js, React Native, Cypress, Jest, AWS and Python (Django). Plenty of room for progression and development here form mentoring others, full autonomy over what you build, the opportunity to more »
wider business. Day to day responsibilities Using Vanilla JavaScript or TypeScript to write clean code Working with NodeJS or Express frameworks Using Cypress or Jest in testing frameworks Using Redux or any other state management systems Experience Experience and passionate about writing clean code. Champion pair programming Always considering and more »
backend frameworks. Proficiency in cloud architecture and system design, preferably AWS. Demonstrated experience with microservices and distributed systems. Familiarity with test frameworks such as Jest, Cypress, Mocha, etc. Hedge Fund/Fintech/Asset Management Experience a plus. If interested please come back as soon as possible. more »
of NestJS, Express or similar NodeJS backend frameworks ● Cloud Architecture & System Design (preferably AWS) ● Experience with microservices/distributed systems ● Experience with test frameworks (Jest, Cypress, Mocha, etc.) Bonuses/Great to haves ● Prior experience or a strong interest in FinTech & SaaS ● Experience with Python a bonus ● Work experience in more »
be on frontend tasks, transitioning to backend responsibilities over time. Full stack development for a global trading platform using the following technologies: Monorepo, GitHub, Jest, Playwright, React, Redis, SQL, WebSockets, Docker, Kubernetes, GitHub Actions, SonarQube.. Contribute to automated tests Peer code review Take responsibility for features you deploy into staging more »
Must have experience: 5+ years’ experience React and Typescript. SASS and any understanding of CSS-in-JS is a plus. Experience with Cypress, Playwright Jest for unit testing. Cross platform/device UI skills. Experience working alongside BE developers, ideally Java/Kotlin. Finance domain exposure a plus (FIX, FX more »
Greater London, 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 »
re in search of individuals with demonstrated expertise in Automated Testing or comparable positions, a strong command of automated testing tools and frameworks like Jest, Playwright, Cypress, and Chromatic, and a comfortable familiarity with web technologies such as HTML/CSS, JavaScript, and React. This opportunity is mostly remote, with more »
Front End applications for production systems. Experience in reactive socket-streaming application development. Competency in CSS. Familiarity with unit testing using libraries such as Jest and Storybook. Bonus: Exposure to MUI React components, JSS, and atom-based concepts (Recoil, Jotai, etc.). Perks & Benefits: Competitive compensation. Fully paid medical, dental 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, England, United Kingdom Hybrid / WFH Options
Isla Health
good understanding of Angular and experience improving performance in Angular applications Good working knowledge of RxJS Experience with unit testing front end applications using jest or jasmine It would be advantageous if you have previous experience working with Google Cloud Platform/Firestore or other NoSQL databases A keen focus 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 »
rapid growth phase and are looking to hire motivated engineers to help scale their market leading technology function. Core tech stack: PHP, Laravel, PHPUnit, Jest, Postgres and Redis Benefits 💉 Private healthcare for you and your immediate family. 📆 27 days holiday + opportunity to buy or sell days. 🔧 Life assurance (4x more »
You will work closely with cross-functional teams to identify defects, verify fixes, and maintain quality standards throughout the software development lifecycle. Key Skills: Jest Selenium Citrus Gherkin/Cucumber Gitlab CI Docker custom API testing JUnit REST Assured We do not require experience in all of the above skills more »
