Permanent Jest Jobs in London

22 Permanent Jest Jobs in London

Senior Frontend Developer

Croydon, England, United Kingdom
Janes
with cloud native development and deployment inside AWS, API Gateways/Lambdas. Familiarity with Unit testing, TDD, and automated frontend (unit/component) using jest and playwright. Experience working with .NET stack a bonus Benefits 27 days of annual leave Healthy half (0.5 day leave every 6 months for wellbeing more »
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Senior Web Developer

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 »
Employment Type: Technology
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Senior Front End Developer

London, England, United Kingdom
Version 1
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 »
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Senior Front End Javascript Developer

London, United Kingdom
Hybrid / WFH Options
hireful
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
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Frontend Developer

London Area, United Kingdom
Anson McCade
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 »
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Senior React Frontend Engineer

London Area, United Kingdom
Hybrid / WFH Options
Stealth
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 »
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JavaScript Developer

London, England, United Kingdom
BGC Group
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 »
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Senior Frontend Developer – Next.js

London, United Kingdom
Middle Recruitment LTD
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 »
Employment Type: Permanent
Salary: £80000 - £90000/annum
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Frontend Developer (React.js) - up to £70k

London Area, United Kingdom
Hybrid / WFH Options
Revolution Technology
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 »
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Javascript Developer

Greater London, England, United Kingdom
InterQuest Group
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 »
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Node.js Developer - £550 p/d Outside IR35 - 4 Days Onsite

London Area, United Kingdom
Harrington Starr
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 »
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Back End Developer

London Area, United Kingdom
Hybrid / WFH Options
Harrington Starr
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 »
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Senior Full Stack Engineer UK

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 »
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Quality Assurance Automation Engineer

London Area, United Kingdom
Hybrid / WFH Options
Spinks
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 »
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Full Stack Engineer

London Area, United Kingdom
Zest for Tech
TDD, embodying a shift-left approach. The ideal candidate will share that passion, or have an eagerness to learn. The stack also includes Playwright, Jest, Terraform, AWS, DataDog, Docker, Postgres, Snowflake – you don’t need to have experience with all these to apply* Interview Process 30 min screening call – Technical more »
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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 »
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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 »
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React Native Developer

London Area, 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 »
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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 »
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Back End Developer

Greater London, England, United Kingdom
La Fosse
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 »
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Quality Assurance Tester

London, United Kingdom
Manpower UK Ltd
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 »
Employment Type: Permanent
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Junior-Mid Front End Engineer

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 £40,000 - £45,000. Beyond that, they provide a comprehensive benefits package more »
Posted:
Jest
London
10th Percentile
£53,000
25th Percentile
£60,000
Median
£77,500
75th Percentile
£107,500
90th Percentile
£111,250