Permanent Jest Jobs in the UK

1 to 25 of 52 Permanent Jest Jobs in the UK

Product Engineer

London Area, United Kingdom
Nous
and are embracing Typescript to provide us with type-safety all the way from the database to the clients (Typescript, React, GraphQL, Prisma, Node.js, Jest, Storybook) As part of our passionate cross functional team, you will be: Bringing a delightful user experience to life for a wide customer base Actively more »
Posted:

Senior Consultant-Full stack development with React, NodeJS & AWS

London Area, United Kingdom
Infosys
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 »
Posted:

Sr. React Native developer

London Area, United Kingdom
Infoplus Technologies UK Limited
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 »
Posted:

Frontend Developer

London Area, United Kingdom
Hybrid / WFH Options
Texcel
End Engineer, you will design, build, and maintain user interfaces using React, TypeScript, HTML, and CSS. Your experience with automation testing tools such as Jest, Cypress, or Playwright will be key to ensuring the quality and reliability of our products. ✅ Skills and Experience: Essential : Proven experience with React, TypeScript, HTML … and CSS. ⚛️ Knowledge of automation testing tools like Jest, Cypress, or Playwright. 🔧 Desirable : Experience with Node.js and Express. 🖧 Understanding of ad tech, such as GPT, ad bidding, etc. 🛠️ What We Offer: Our client offers a competitive salary of £45,000. Beyond that, they provide a comprehensive benefits package, including: Fully more »
Posted:

Senior Frontend Developer

Manchester Area, United Kingdom
Candour Solutions
their newest product suite. Desired skillset: 4+ years commercial experience React experience Typescript experience Angular experience preferred UAT/JS Testing experience (e.g. Jasmine, Jest, Cypress, Playwright, etc) Figma design experience for UX/UI would be beneficial Experience building major platforms from scratch and taking a hands-on approach more »
Posted:

React Native Developer Lead

Greater London, England, United Kingdom
Wipro
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 »
Posted:

Junior Developer

Manchester Area, United Kingdom
Candour Solutions
in Computer Science (or similar) preferable React experience (they use version 18) Typescript experience Angular experience preferred UAT/JS Testing experience (e.g. Jasmine, Jest, Cypress, Playwright, etc) Figma (or similar) design experience for UX/UI would be beneficial Experience building major platforms from scratch and taking a hands more »
Posted:

Junior Frontend Developer

London Area, 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 »
Posted:

Senior React Native Engineer

London Area, United Kingdom
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 »
Posted:

Senior React Native Engineer

London Area, 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 »
Posted:

Full-Stack Developer

London Area, 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 »
Posted:

Full Stack Engineer

London Area, United Kingdom
Explore Group
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 »
Posted:

Full Stack Software Engineer

York, England, United Kingdom
Anaplan
from, others in sensitive situations, without damage to the relationship . Languages and technologies you’ll work with: JavaScript, HTML, CSS React, TypeScript, Redux, Jest, Enzyme, Cypress Java, Kotlin, Spring framework MySQL Container-orchestrations tools such as Docker or Kubernetes Git, Jenkins and Helm Our Commitment to Diversity and Inclusion more »
Posted:

PHP/Wordpress WebDeveloper

London Area, 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 »
Posted:

React Native Developer

North Yorkshire, England, United Kingdom
WRK digital
React server components and client components Experience with modern advanced TypeScript Experience with CSS (modern features) and React Native’s styling system Experience with Jest, Jest snapshot testing, and unit testing in general Experience developing native modules for React Native Experience with native platform development (Swift for Apple apps and more »
Posted:

Full Stack Engineer

London Area, United Kingdom
Initi8 Recruitment
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 »
Posted:

Software Engineering Team Lead

London Area, United Kingdom
Mirai Talent
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 »
Posted:

Javascript Developer

London Area, 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 »
Posted:

Frontend Developer

Greater London, England, United Kingdom
Eligible.ai
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 »
Posted:

Associate Software Engineer

England, United Kingdom
Verint
Understanding of JavaScript frameworks such as React Some experience working with Go or Java Spring frameworks. Commercial experience working within software engineering Understanding with Jest and React Testing Library Some experience of working with Cloud Infrastructure Some experience of working in a CI/CD development environment more »
Posted:

Backend Integration Lead

London Area, United Kingdom
Tata Consultancy Services
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 »
Posted:

Senior Full Stack Developer

England, United Kingdom
Hybrid / WFH Options
iO Associates - UK/EU
Role: Senior Full Stack Developer Location: Fully Remote Rates: £50-£600 per day (depending on experience) Determination: Outside IR35 Experienced Node.js Developer required by innovative digital agency specialising in serverless and headless architectures for e-commerce solutions. We work with more »
Posted:

Senior Full Stack Engineer

London Area, United Kingdom
FINESSE
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 »
Posted:

Senior Frontend Developer (UK)

Bracknell, England, United Kingdom
Hybrid / WFH Options
Xe.com
for state management. Knowledge of TypeScript and the Composition API for writing clean and maintainable code. Familiarity with writing unit tests using Vitest or Jest, and knowledge of e2e testing frameworks such as Playwright and Cypress. Understanding of JavaScript build tools and module bundlers like Vite/Rollup/Webpack. more »
Posted:

Senior Software Engineer

London Area, 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 »
Posted:
Jest
10th Percentile
£47,500
25th Percentile
£52,500
Median
£67,500
75th Percentile
£92,500
90th Percentile
£96,750