Jest Job Vacancies

101 to 125 of 450 Jest Jobs

Senior Software Engineer - Pensions, ISA & Investments

bristol, south west england, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
and Node, Java, and with the use of IaC tools such as Terraform and AWS CloudFormation. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing to ensure system reliability and performance. More ❯
Posted:

Senior Software Engineer - Pensions, ISA & Investments

bradley stoke, south west england, united kingdom
Hybrid / WFH Options
Hargreaves Lansdown
and Node, Java, and with the use of IaC tools such as Terraform and AWS CloudFormation. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing to ensure system reliability and performance. More ❯
Posted:

Senior Full-Stack Web Developer

London, England, United Kingdom
Hybrid / WFH Options
Resident Advisor Ltd
oriented language such as C# or Java Typescript NestJS .NET Core GraphQL Elasticsearch React hooks React Native Server-side rendering Styled Components Testing react apps using testing-library and jest Testing .Net using NUnit, XUnit and utilising Moq Docker and kubernetes AWS and terraform Experience running high-availability distributed systems What We Offer You Generous annual leave policies aimed at More ❯
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Senior Front End Engineer (TypeScript/React)

London, England, United Kingdom
Hybrid / WFH Options
Goodlord
and creating components and pages that are reusable and testable, and an understanding of architectural patterns like DDD and microservices. Proficient at writing automated tests using frameworks such as Jest, React Testing Library or Cypress. Collaborate effectively with cross-functional teams, including engineers, product managers, and designers Experience of working in an agile delivery environment (e.g. Kanban) with a delivery More ❯
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Senior Frontend Engineer - Studio (f/m/d)

London, England, United Kingdom
Hybrid / WFH Options
Contentful
the above responsibilities or similar, demonstrating ownership, urgency, and the ability to drive initiatives independently. Solid Background in Automated Testing: Including both unit and e2e tests, using frameworks like Jest & Playwright. Containerization and Orchestration : Experience with Docker and Kubernetes. Cloud Services Familiarity : Knowledge of cloud platforms like AWS, Azure, or GCP. Preferred Applied AI: Previous experience leading or being involved More ❯
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Frontend Engineer - Engine by Starling

London, England, United Kingdom
Hybrid / WFH Options
Starling Bank
Associated libraries and frameworks like Next.JS, Gatsby, Redux, React Query and more Design system management (Storybooks are fairly common, little bit of CSS-in-JS, too) Testing tools like Jest and React Testing Library for the most part We also stray into infrastructure work from time to time, using tools like AWS API Gateway, AWS Lambda, AWS CloudFront, GCP or More ❯
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Lead Angular Developer

England, United Kingdom
Arthur J. Gallagher & Co
WCAG), responsive design principles, and cross-browser compatibility. Experience integrating frontend applications with RESTful APIs and handling complex asynchronous interactions. Familiarity with frontend testing practices using tools such as Jest, Cypress, or Selenium. Strong working knowledge of Git and modern development workflows, including CI/CD practices. Ability to translate UX/UI designs (e.g., Figma, Adobe XD) into functional More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Staff Software Engineer - Angular / React

London, United Kingdom
Ivanti
Who We Are: In today's work environment, employees use a myriad of devices to access IT applications and data over multiple networks to stay productive, wherever and however they work. Ivanti elevates and secures Everywhere Work so that people More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Javascript Developer

United Kingdom
Hybrid / WFH Options
NearTech Search
ego team. Key Responsibilities Develop and maintain full-stack applications using React, Node.js, GraphQL, and PostgreSQL/MongoDB Lead automation testing efforts —implementing, improving, and documenting test suites (e.g., Jest, Cypress, Ghost Inspector) Ensure high test coverage and promote testing best practices across the development team Collaborate with product and DevOps teams to deliver secure, stable features efficiently Essential Skills … Experience 3+ years’ professional experience with full-stack JavaScript (React + Node.js) Strong proficiency in GraphQL and modern databases (SQL/NoSQL) Demonstrable expertise in test automation (Jest, Mocha, Cypress, or similar) Ability to define and implement testing strategies —specific tools are flexible Pragmatic approach to balancing delivery speed with code quality Desirable Qualifications Background in regulated industries (e.g., EdTech More ❯
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Sr. Software Engineer (Front End)

Coppell, Texas, United States
Lancesoft Inc
Coppell TX(local preferred onsite 5 days) Duration 06+ Months Required Technical Skills: JavaScript (ES6+) Expert React (v18+) Expert TypeScript Expert Tailwind CSS & responsive design Expert Testing frameworks: Cypress, Jest, or Playwright Expert TanStack Query (React Query) Intermediate Webpack Intermediate Vue.js Intermediate Java (OOP) Intermediate CI/CD & feature flags Intermediate Git Intermediate Job Summary: An Engineer delivers world-class … Technical Skills: Required Expert-level experience in JavaScript w/ES6+ Expert-level experience with React (18+) Expert-level experience using TypeScript Expert-level experience writing Tests using Cypress, Jest and/or Playwright Expert-level experience with responsive web design using Tailwind and CSS standards Intermediate experience with TanStack Query Intermediate experience with Webpack Intermediate experience with Vue Intermediate More ❯
Employment Type: Any
Salary: USD Annual
Posted:

Full Stack Developer up to £60,000 London

London, United Kingdom
Pearson Carter
and JavaScript Node.js React Docker and containerized development workflows Git and version control NoSQL databases - MongoDB and Redis AWS services - EC2, Lambda, S3, and CloudWatch RESTful APIs Testing frameworks - Jest , Mocha , or similar CI/CD pipelines Start-up background Salary They offer a strong all round package with a base salary of up to £60,000 with some added More ❯
Employment Type: Permanent
Salary: GBP 60,000 Annual
Posted:

Full Stack Developer

London, United Kingdom
Pearson Carter
and JavaScript Node.js React Docker and containerized development workflows Git and version control NoSQL databases - MongoDB and Redis AWS services - EC2, Lambda, S3, and CloudWatch RESTful APIs Testing frameworks - Jest , Mocha , or similar CI/CD pipelines Start up background Salary They offer a base salary of £50,000 and £60,000 Equity. Location This client has an office in More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

React Developer - RTK Query

London Area, United Kingdom
Hybrid / WFH Options
The JM Longbridge Group
of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview More ❯
Posted:

React Developer - RTK Query

Slough, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
of functional components, React Hooks, and component lifecycle Skilled in TypeScript and writing type-safe frontend code Proficient in Tailwind CSS, CSS Modules, or styled-components Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress Experience deploying via Vercel, Netlify, or CI/CD pipelines Comfortable with Git, ESLint, Prettier, and automated workflows #J-18808-Ljbffr More ❯
Posted:

React Developer - RTK Query

City of London, London, United Kingdom
Hybrid / WFH Options
CBSbutler Holdings Limited trading as CBSbutler
of functional components, React Hooks, and component lifecycle - Skilled in TypeScript and writing type-safe frontend code - Proficient in Tailwind CSS, CSS Modules, or styled-components - Bonus: Next.js, GraphQL, Jest, React Testing Library, Cypress - Experience deploying via Netlify, or CI/CD pipelines - Comfortable with Git, ESLint, Prettier, and automated workflows Please apply for immediate interview! CBSbutler is operating and More ❯
Employment Type: Permanent
Salary: £75000 - £95000/annum
Posted:

Javascript Developer

Durham, England, United Kingdom
Hybrid / WFH Options
Real Recruitment
handling asynchronous data Version control using Git/GitHub Strong attention to detail and ability to write clean, modular code Desirable Skills (Not Essential) Experience with TypeScript Knowledge of Jest or React Testing Library Familiarity with performance optimisation and accessibility Background in financial services or previous work in FinTech Package & Benefits Salary up to £50,000 (DOE) Flexible hybrid/ More ❯
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Full Stack Software Engineer - All Levels

London, England, United Kingdom
MATCHESFASHION
whether you join us online, through our app, at our shops and pioneering retail destination, 5 Carlos Place. ROLE: TECH STACK: Typescript Node.js React.js GraphQL MongoDB Mongoose MySQL Cypress Jest Docker AWS Lambda ABOUT YOU: KEY SKILLS: Experience of unit testing, TDD, BDD & Test Automation Hands-on experience of developing REST web services and APIs Knowledge of container tools, ideally More ❯
Posted:

Senior Full-Stack Engineer (Fintech) - Remote | $65,000 USD/year

London, England, United Kingdom
Hybrid / WFH Options
SourceIn
React Deep JavaScript/TypeScript knowledge Proficiency in CSS (Tailwind, Bootstrap) Backend experience with Node.js and REST APIs Familiarity with microservices, Docker, and CI/CD Solid testing experience (Jest, Mocha, etc.) Nice to have : Fintech, payment systems or secure coding experience Redis, WebSockets, or real-time system knowledge Familiarity with monorepos, Swagger/OpenAPI, and compliance (PCI, GDPR) Security More ❯
Posted:

Full Stack Software Engineer

London, England, United Kingdom
Onmo
mobile libraries for networking. Experience with performance and memory tuning tools. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯
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Full Stack Engineer (Angular + Node.js)

United Kingdom
Hybrid / WFH Options
MYT Shutters
features end-to-end with autonomy Desirable: · Practical experience with GraphQL (Apollo, server or client) · PostgreSQL or relational database experience · Familiarity with AWS · Nx monorepo · Testing experience with Playwright, Jest, or similar · ERP, manufacturing, or production system exposure · DevOps, CI/CD, or modern build pipeline experience Why Join Us? If you're excited by a clean stack, real-world More ❯
Posted:

Full Stack Engineer (Angular +

United Kingdom, UK
Hybrid / WFH Options
MYT Shutters
features end-to-end with autonomy Desirable: · Practical experience with GraphQL (Apollo, server or client) · PostgreSQL or relational database experience · Familiarity with AWS · Nx monorepo · Testing experience with Playwright, Jest, or similar · ERP, manufacturing, or production system exposure · DevOps, CI/CD, or modern build pipeline experience Why Join Us? If you're excited by a clean stack, real-world More ❯
Employment Type: Full-time
Posted:

Front-end Developer

London, England, United Kingdom
Oak Intranet
with unit, end to end and integration testing Typescript (3+) CSS3 HTML5 VueJS 2 (not Vue 3) JSX/TSX SASS/SCSS React (Hooks) Playwright (end to end) Jest (unit tests) Storybook Above all else we have an excellent culture at Oak which we work hard to maintain. We are looking for an experienced person that has a positive More ❯
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Full Stack Java Engineer

Glasgow, Scotland, United Kingdom
WISSEN TECHNOLOGY PRIVATE LIMITED
building and deploying scalable, high-performance applications, with knowledge of microservices and cloud deployment strategies. * Experience writing unit tests and performing integration testing with frameworks like JUnit, Jasmine, or Jest to ensure high code quality and reliability. * Familiarity with Continuous Integration and Continuous Deployment processes using tools like Jenkins, GitLab CI, or Circle CI for automated testing and deployment. * Knowledge More ❯
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Frontend Developer (SFIA 3)

London, England, United Kingdom
Hybrid / WFH Options
Zaizi
experience working on continuous integration environments Requirements Coding and testing: Strong REACT experience HTML/CSS/JavaScript TypeScript Testing experience-(Unit testing/End to End testing - e.g Jest/NightwatchJS etc) Experience with AA Standard accessibility Experience with restful API's Experience developing for all major currently used browsers e.g Chrome, Edge etc Strong performance optimisation awareness Nice More ❯
Posted:
Jest
10th Percentile
£47,500
25th Percentile
£55,938
Median
£65,000
75th Percentile
£88,125
90th Percentile
£134,099