London, England, United Kingdom Hybrid / WFH Options
Instapro Group
their own service infrastructure. We keep a close eye on quality and make sure we test everything in an automated way with tools like PHPUnit, PHPStan, Phan, Cypress and Jest, all integrated into GitLab CI/CD pipelines. Your role includes the following: Collaborate effectively with the team to deliver high-quality solutions for our users Contribute to, maintain, and More ❯
London, England, United Kingdom Hybrid / WFH Options
Anmut
NextAuth) Full-Stack Capabilities: Type-safe development across the entire stack API design and implementation Performance optimisation techniques State management using React Query Testing & Quality: Comprehensive testing strategies with Jest and Playwright Experience with mock service workers (MSW) for API testing DevOps & Deployment: CI/CD pipeline configuration and optimisation Environment management and deployment strategies Experience with package managers like More ❯
London, England, United Kingdom Hybrid / WFH Options
Starling Bank
framework, and our codebase is written in TypeScript . We're using Vanilla Extract for styling paired with React Aria primitives. We write tests with React Testing Library and Jest , as well as Playwright . Finally, we deploy to Kubernetes in production, running on Amazon Web Services . Our technologists are at the very heart of Starling and enjoy working More ❯
London, England, United Kingdom Hybrid / WFH Options
Capgemini
development and automation processes for build and release of software. A strong background in JavaScript (ES6 & TypeScript), DOM scripting, Node.js. Experience in testing JavaScript code and React component (e.g. Jest, Cypress). Experience with modern, CSS(3) styling and layout (framework agnostic) including working with CSS preprocessors and/or CSS-in-JS. Built, deployed and run Node.js applications and More ❯
Angular, or Vue (TypeScript is a plus). At least 4 years of back-end development using Go (Golang). Experience with unit and end-to-end testing (e.g., Jest, Cypress). Proficient with Git. Fluent in English (mandatory); Dutch is a plus. Able to work independently and take initiative. Experience working in Agile development teams. Strong interest in UI … based on full-time contract) Flexible working hours Hybrid working arrangement (office and remote) Regular social activities with the team Desired Skills and Experience Golang, React, Typescript, Javascript, Angular, Jest, Cypress, Git Darwin Recruitment is acting as an Employment Agency in relation to this vacancy. More ❯
guildford, south east england, united kingdom Hybrid / WFH Options
Spectrum IT Recruitment
would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯
Staines, Middlesex, United Kingdom Hybrid / WFH Options
Spectrum IT Recruitment
would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯
Staines, Surrey, South East, United Kingdom Hybrid / WFH Options
Spectrum It Recruitment Limited
would be advantageous but is not a prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature, please get in More ❯
London, England, United Kingdom Hybrid / WFH Options
Natter
Using We Rely Heavily On The Following Tools And Technologies React & Typescript to write our frontend application code Playwright for our end-to-end tests Sentry for metrics & monitoring Jest, Vitest & React Testing Library for our unit tests AWS for our production and staging environments We’d love to hear from you if... You have 5+ years' experience developing robust … JavaScript/TypeScript, semantic HTML & CSS A deep understanding of ReactJS & Redux You have experience using WebRTC Experience using Sentry or similar app monitoring/telemetry platform Experience with Jest or Vitest testing frameworks You have an ability to see through conflicting or unclear priorities. Prioritise them, focus and act decisively with the overall context of the business in mind. More ❯
Bracknell, Berkshire, South East, United Kingdom Hybrid / WFH Options
Spectrum It Recruitment Limited
in the following would be advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI This is an exciting opportunity to join a rapidly expanding company using the latest tools and technologies. If you are looking for a role of this nature, please contact More ❯
the NodeJS ecosystem Experience with front-end React/React Native framework Experience and feeling with social media environments You have experience with various testing patterns and supporting frameworks, (Jest, Mocha, Chai, snapshot testing, unit testing) Strong understanding of GraphQl and RESTFul services' conventions and architecture You can work independently and take matters into your own hands The ability to More ❯
in HTML, CSS, TypeScript, and React JS. Familiarity with cloud platforms like Azure and data retrieval libraries such as react-query. Testing Savvy: Experience with testing frameworks like Playwright, Jest, and React Testing Library. Design and Usability: Working knowledge of Material-UI library and a keen eye for UX improvement. Collaborative Spirit: Strong communication and collaboration skills, essential for a More ❯
London, England, United Kingdom Hybrid / WFH Options
Earth
need from you Required skills HTML/CSS React.js Git Webpack Using RESTful APIs Ideal (but we’ll train you up in these if you don’t have them) Jest Cypress CI/CD Python What we can give you We're a small, supportive team that cares about each individual’s journey. When you join us you’ll get More ❯
London, England, United Kingdom Hybrid / WFH Options
Focus on SAP
Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. Familiarity with modern build and test tools (e.g., Maven, JUnit, Cucumber, Jest). Experience with additional languages/tools such as Node.js, TypeScript, and Postgres. Sound understanding of test automation and quality assurance practices. Excellent problem-solving, communication, and collaboration skills. Proven More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Focus on SAP
Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. Familiarity with modern build and test tools (e.g., Maven, JUnit, Cucumber, Jest). Experience with additional languages/tools such as Node.js, TypeScript, and Postgres. Sound understanding of test automation and quality assurance practices. Excellent problem-solving, communication, and collaboration skills. Proven More ❯
london, south east england, united kingdom Hybrid / WFH Options
Focus on SAP
Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. Familiarity with modern build and test tools (e.g., Maven, JUnit, Cucumber, Jest). Experience with additional languages/tools such as Node.js, TypeScript, and Postgres. Sound understanding of test automation and quality assurance practices. Excellent problem-solving, communication, and collaboration skills. Proven More ❯
in HTML, CSS, TypeScript, and React JS. Familiarity with cloud platforms like Azure and data retrieval libraries such as react-query. Testing Savvy: Experience with testing frameworks like Playwright, Jest, and React Testing Library. Design and Usability: Working knowledge of Material-UI library and a keen eye for UX improvement. Collaborative Spirit: Strong communication and collaboration skills, essential for a More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Focus on SAP
Fargate, CloudFormation, Kinesis, IAM, SQS, SNS, S3, API Gateway, and related tools. Strong command of containerization using Docker. Familiarity with modern build and test tools (e.g., Maven, JUnit, Cucumber, Jest). Experience with additional languages/tools such as Node.js, TypeScript, and Postgres. Sound understanding of test automation and quality assurance practices. Excellent problem-solving, communication, and collaboration skills. Proven More ❯
London, England, United Kingdom Hybrid / WFH Options
QiH Group
or Vue.js. Proficiency in HTML5, CSS3, and responsive web design, with experience in CSS preprocessors (Sass, LESS) and CSS-in-JS solutions. Experience with front-end testing frameworks like Jest, Mocha, or Cypress. Expertise in optimising web performance, including lazy loading, bundling, minification, and responsive image handling. Knowledge of CMS would be advantageous. You thrive when working as part of More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Node.js and cloud-based infrastructure Ability to build dynamic dashboards and complex interactive UIs Familiarity with preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that elevate the overall user experience Maintain a clean, efficient, and high-performing More ❯
of hands-on experience with React or a comparable framework. Experience with popular React state management libraries, such as Redux, is a plus. Proficiency with testing framework s like Jest and Playwright. Comprehensive knowledge of server-client communication and browsers. Solid understanding of the Node ecosystem , including npm, Babel, and Webpack. Familiarity with CI/CD processes and tools like More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
Just Eat Takeaway.com
A deep understanding of JavaScript (ES6+), along with modern JS tooling/frameworks such as Next.js, Redux Saga & TypeScript. Demonstrable experience of unit testing tools/frameworks (for example Jest, Cypress, Playwright, React Testing Library, etc) A strong understanding of WCAG standards, CSS pre-processors/CSS frameworks & responsive UI development. Leadership quality - you're able to guide and mentor More ❯
TypeScript, Node.js, React, and GraphQL MongoDB Atlas AWS-based infrastructure using ECS, Lambda, and CloudWatch CI/CD pipelines with GitHub Actions, Terraform, and IaC Testing via Cypress (E2E), Jest/Vitest (unit) Observability with tools like Sentry, Datadog, or New Relic You won’t be starting from scratch, the platform is already live and scaling, but there is real More ❯
Saint Neots, England, United Kingdom Hybrid / WFH Options
Pico Technology
UI/UX and web development practices (including use of Figma). Writing clean, maintainable, and efficient code that adheres to industry standards Conducting thorough testing using Vitest/Jest or similar testing libraries to ensure software quality and performance Translating business requirements into robust technical solutions Optimising website performance for speed, SEO, and accessibility, including AI search and agent More ❯
London, England, United Kingdom Hybrid / WFH Options
Global Relay
SOLID etc). Web Service API integration Experience with TDD environment (Test Driven development) Unit testing with PHPUnit and/or a JS test framework eg Mocha, Jasmine/Jest, React Test Worked in an agile environment (Epics, User Stories, Tasks). What you can expect: At Global Relay, there’s no ceiling to what you can achieve. It’s More ❯