Contract Jest Jobs in the UK

15 of 15 Contract Jest Jobs in the UK

SharePoint SPFx Developer

South East London, London, United Kingdom
Hybrid / WFH Options
Data Careers
/TypeScript: Advanced knowledge of modern JavaScript and TypeScript CSS/SCSS: Styling and responsive design implementation Web Standards: HTML5, accessibility (WCAG), cross-browser compatibility Testing: Unit testing with Jest or similar frameworks Version Control: Git workflow and collaboration practices SharePoint Knowledge: Understanding of SharePoint Online architecture and security model Experience with SharePoint lists, libraries, and content types Knowledge of More ❯
Employment Type: Contract, Work From Home
Rate: £500 - £550 per day
Posted:

Senior Front-End Developer

Leeds, West Yorkshire, England, United Kingdom
GTC Recruitment Limited
front-end frameworks (e.g., React). Proven experience building WCAG-compliant, accessible user interfaces . Skilled in writing unit tests and delivering thorough test coverage using tools such as Jest or Mocha. Experience integrating with APIs, databases (SQL/NoSQL), caching tools (e.g., Redis), and cloud infrastructure (AWS/Azure). Ability to influence, lead front-end activities, set best More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Front-end Developer

United Kingdom
Hammond Clarke
end frameworks and templating languages. • Experience in building accessible compliant user interfaces (WCAG). • Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. • Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based More ❯
Employment Type: Contract
Rate: GBP 675 Daily
Posted:

Senior Front-End Developer - 12 months - Contract

Leeds, West Yorkshire, England, United Kingdom
Involved Solutions
end frameworks and templating languages. Experience in building accessible compliant user interfaces (WCAG). Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based More ❯
Employment Type: Contractor
Rate: £600 - £675 per day
Posted:

React Developer

London, United Kingdom
Hybrid / WFH Options
Lawrence Harvey
retrieval, manipulation and management. Experience with developing accessible, responsive layouts using componentised CSS/SASS. Working practices such as test-driven development or behaviour-driven development. TypeScript testing using Jest or a similar framework and React Testing Library or Enzyme for component testing. Desirable Skills: Familiarity with SQL database concepts and hands on experience with PostgreSQL. Familiarity with version control More ❯
Employment Type: Contract
Rate: £600 - £700/day
Posted:

UX Engineer

Manchester, United Kingdom
Hybrid / WFH Options
Adecco
TypeScript , HTML5 , and CSS3 Experience integrating with design systems and tools such as Figma Familiarity with modern development tools including Git, CI/CD workflows, and testing frameworks (e.g. Jest, Testing Library) Comfortable working in agile environments with cross-functional teams Excellent attention to detail and ability to bring design concepts to life through clean, maintainable code More ❯
Employment Type: Contract
Posted:

UX Engineer

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Adecco
TypeScript , HTML5 , and CSS3 Experience integrating with design systems and tools such as Figma Familiarity with modern development tools including Git, CI/CD workflows, and testing frameworks (e.g. Jest, Testing Library) Comfortable working in agile environments with cross-functional teams Excellent attention to detail and ability to bring design concepts to life through clean, maintainable code More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Senior Developer

Isleworth, London, United Kingdom
Hybrid / WFH Options
Lancesoft Ltd
What youll bring: Extensive experience with TypeScript and Node.js in production environments. Strong knowledge of GraphQL (API design, schema evolution, integration ). Experience with automated testing frameworks ( Vitest, Playwright, Jest ). Familiarity with DevOps tooling: Docker, Helm, Kubernetes , CI/CD pipelines. Experience with cloud-native architectures and infrastructure-as-code. Ability to drive improvements across the codebase and influence More ❯
Employment Type: Contract
Rate: Up to £600 per day
Posted:

Sr Front-End Engineer

Leeds, West Yorkshire, United Kingdom
Hybrid / WFH Options
Lawrence Harvey
and other front-end frameworks. Experience in building accessible compliant user interfaces (WCAG). Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based More ❯
Employment Type: Contract
Rate: £575 - £675/day
Posted:

UI Developer

Reading, Oxfordshire, United Kingdom
Grassroots Recruitment Ltd
quality, user-focused solutions. Core Frontend Skills: Proficient in TypeScript, React, HTML5, and CSS3, with the ability to build scalable, maintainable, and performant interfaces. Testing & Quality Assurance: Experience with Jest and related testing practices to ensure reliable and well-tested codebases. Security & Best Practices: Strong understanding of frontend security principles and safe coding practices. Accessibility & Inclusive Design: Skilled in applying More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

UI Developer

Reading, Berkshire, England, United Kingdom
Grassroots Recruitment Limited
quality, user-focused solutions. Core Frontend Skills: Proficient in TypeScript, React, HTML5, and CSS3, with the ability to build scalable, maintainable, and performant interfaces. Testing & Quality Assurance: Experience with Jest and related testing practices to ensure reliable and well-tested codebases. Security & Best Practices: Strong understanding of frontend security principles and safe coding practices. Accessibility & Inclusive Design: Skilled in applying More ❯
Employment Type: Contractor
Rate: £0 per day
Posted:

Applications Developer

Marchwood, Hampshire, United Kingdom
Hybrid / WFH Options
Omega Resource Group
the MERN stack. Experience - Application Developer • Advanced skills in JavaScript (NodeJS ES6) technologies. • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Experience in refactoring legacy applications into modern, scalable, and maintainable solutions • Release procedures, coding design and documentation Candidates who are currently an Application Developer More ❯
Employment Type: Contract
Rate: GBP 400 - 500 Daily
Posted:

Applications Developer

Southampton, Marchwood, Hampshire, United Kingdom
Hybrid / WFH Options
Omega Resource Group
the MERN stack. Experience - Application Developer • Advanced skills in JavaScript (NodeJS ES6) technologies. • Senior development experience using MERN framework for web application development. • Unit with React Testing Library/Jest and E2E test automation with Cypress • Experience in refactoring legacy applications into modern, scalable, and maintainable solutions • Release procedures, coding design and documentation Candidates who are currently an Application Developer More ❯
Employment Type: Contract
Rate: £400 - £500/day
Posted:

QA Engineer

Reading, Oxfordshire, United Kingdom
Grassroots Recruitment Ltd
We re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … Agile teams, you ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

QA Engineer

Reading, Berkshire, England, United Kingdom
Grassroots Recruitment Limited
We’re seeking a detail-oriented QA Engineer with strong expertise in test automation using tools like Playwright, Jest, and Cucumber. The ideal candidate has solid programming skills to develop and maintain automated testing frameworks and is proficient in API testing for RESTful and services. Experience in performance testing, database validation using SQL, and ensuring cross-browser and cross-platform … Agile teams, you’ll collaborate closely with developers and stakeholders to deliver reliable, high-quality software products. QA Engineer – Key Skills & Competencies Test Automation: Hands-on experience with Playwright, Jest, and Cucumber for end-to-end, unit, and behavior-driven testing. Programming & Scripting: Strong programming/scripting skills to build and maintain automated test frameworks. API Testing: Proficient in validating More ❯
Employment Type: Contractor
Rate: £0 per day
Posted:
Jest
10th Percentile
£325
25th Percentile
£400
Median
£468
75th Percentile
£538
90th Percentile
£641