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 »
Rails, HTML, and CSS . Deep understanding of responsive design, cross-browser compatibility, and web performance optimization. Strong experience with testing frameworks such as Jest, Cypress and RSpec. Familiarity with UI/UX design principles and ability to collaborate effectively with design teams. Excellent problem-solving skills and ability to more »
London, England, United Kingdom Hybrid / WFH Options
Global Relay
is a nice to have: Worked in an Agile environment Typescript Web Service API integration Selenium/Cypress Unit testing with Mocha, Jasmine/Jest, React Test Related web technologies like Sass/Less, AJAX and JSON What you can expect: At Global Relay, there's no ceiling to what more »
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 »
South East London, 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 »
Experience with working with APIs - Experience of performing code reviews and helping to maintain best practices - Experience of writing unit tests with test frameworks (Jest, Mocha, etc.) Although, we do have a fully dedicated QA team. - Experience with version control (Git, GitHub, GitLab) If all the above sounds like you more »
Employment Type: Permanent
Salary: £70000 - £80000/annum Up to £80K Basic + Benefits Package
dotnet tools Knowledge of relational and/or No-SQL databases and integrations patterns Knowledge of React stack - React, Node, Typescript, CSS, Material UI, Jest, JSS and supporting tools Desirable Understanding of microservice architecture Experience with CI/CD pipelines and various testing stages for APIs Knowledge of Azure ecosystem more »
London, England, United Kingdom Hybrid / WFH Options
AdvisoryAI
Rails, HTML, and CSS . Deep understanding of responsive design, cross-browser compatibility, and web performance optimization. Strong experience with testing frameworks such as Jest, Cypress and RSpec. Familiarity with UI/UX design principles and ability to collaborate effectively with design teams. Excellent problem-solving skills and ability to more »
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 »
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 »
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 »
you will have the will work alongside others that you can learn from and grow with. Stack: Reactjs, Typescript, Nodejs, AWS, CI/CD, Jest and Mocha What do you need? Full Stack experience with Reactjs and Nodejs (Vue, Angular also considered) Prior experience working in a Senior capacity What more »
South East London, England, United Kingdom Hybrid / WFH Options
Revolution Technology
teams you will have the will work alongside others that you can learn from and grow with.Stack: Reactjs, Typescript, Nodejs, AWS, CI/CD, Jest and MochaWhat do you need?Full Stack experience with Reactjs and Nodejs (Vue, Angular also considered)Prior experience working in a Senior capacity What’s more »
also do so within an organization dedicated to UK security. Requirements: Proficiency in several of the following technologies: AWS, TypeScript, React, Node, GitLab, Cypress, Jest, Java, JEE, Wildfly, MicroProfile, OpenShift, Docker, Jenkins, RabbitMQ, Nifi. Sound good? APPLY NOW more »
you will have the will work alongside others that you can learn form and grow with. Stack: Reactjs, Typescript, Nodejs, AWS, CI/CD, Jest and Mocha What do you need? Previous experience leading tech teams Full Stack experience with Reactjs and Nodejs (Vue, Angular also considered) What’s in more »
South East London, England, United Kingdom Hybrid / WFH Options
Revolution Technology
teams you will have the will work alongside others that you can learn form and grow with.Stack: Reactjs, Typescript, Nodejs, AWS, CI/CD, Jest and Mocha What do you need?Previous experience leading tech teamsFull Stack experience with Reactjs and Nodejs (Vue, Angular also considered)What’s in it more »
budgetsRegular learning workshopsWhat they are looking for:4+ years of experience working with React, JavaScript and TypescriptExposure to automated testing tools and frameworks (e.g. Jest, Playwright)Experience with git and deployment workflowsProactive approach to workExcellent communication and problem-solving skillsTo learn more about the company and the position - apply now more »
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 »
portfolio of successful projects. ● Expert-level proficiency in JavaScript, 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 effectively with design teams. They will be ideally looking for someone more »
South East London, England, United Kingdom Hybrid / WFH Options
Global Relay
developmentAwareness of coding standards and principles like dependency inversion (SOLID etc).Worked in an Agile environmentWeb Service API integrationUnit testing with Mocha, Jasmine/Jest, React TestWhat you can expect:At Global Relay, there’s no ceiling to what you can achieve. It’s the land of opportunity for 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 »
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 »