1 to 25 of 205 Jest Jobs in the UK

Lead React Developer

Hiring Organisation
Response Informatics
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract
API. Familiarity with RESTful APIs, GraphQL, and microservices architecture. Hands-on experience with Webpack, Babel, and modern build tools. Knowledge of unit testing frameworks (Jest,ReactTesting Library). Exposure to CI/CD pipelines and DevOps practices. Experience in Agile/Scrum methodologies. Knowledge of Next.js, Node.js, or Cloud platforms ...

Web Developer

Hiring Organisation
Akkodis
Location
Stevenage, England, United Kingdom
Skills HTML5, CSS3, JavaScript (ES6+) React.js & TypeScript State management (Redux/Zustand) API integration (REST/GraphQL) Version control using Git Front-end testing (Jest, Cypress, etc.) Strong debugging and performance optimisation skills 📩 Interested? Apply Now! 📅 Book a call with me: https://outlook.office.com/bookwithme/user/ ...

Full Stack Developer - Manchester - £525 inside IR35

Hiring Organisation
Tecknuovo Ltd
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
usability best practices Hands-on experience applying DevOps practices, including: CI/CD pipelines (GitHub Actions, GitLab CI, CircleCI, etc.) Automated testing frameworks (Jest, Mocha, Cypress, Playwright, JUnit) Monitoring and logging tools Strong understanding of REST APIs, microservice patterns, and system integration. Experience with Git and modern, collaborative development workflows. ...

REACT Developer

Hiring Organisation
Brightwork Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
software engineering best practices and clean code principles Nice to have Familiarity with Next.js and SSR/SSG Experience with testing frameworks like Jest, React Testing Library or Cypress Awareness of CI/CD tools and pipelines Basic understanding of backend technologies such as Node.js You'll be part ...

Full Stack Developer - LEEDS

Hiring Organisation
Reed
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum, Inc benefits
exposure (AWS, Azure, or GCP). Experience with Docker and containerisation. Knowledge of GraphQL. Understanding of authentication (OAuth, JWT). Testing frameworks such as Jest, Mocha, Cypress, or Playwright. The Person Strong communicator able to work with technical and non-technical healthcare stakeholders. Passionate about clean code, best practices ...

Technical Lead - Head of Engineering - 2 Days Peterborough or London

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Toolkit Frontend HTML5, CSS3, JavaScript (ES6+), TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Automation : Implementing and maintaining continuous integration/continuous deployment pipelines to accelerate development cycles. Code Quality and Testing : Experience with automated testing frameworks (e.g., Jest, JUnit) and best practices for ensuring code quality. DevOps Practices : Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication : Able to confidently ...

Full Stack Developer

Hiring Organisation
DCV Technologies Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Spring Boot Build and integrate RESTful APIs and microservices Develop AWS serverless solutions (Lambda, Step Functions, DynamoDB, S3) Apply TDD and automated testing (Jest, Jasmine, Playwright) Work closely with Product Owners and business stakeholders Contribute to CI/CD pipelines and DevOps best practices Ensure high code quality through peer ...

Fullstack Developer to £42k+Bonus+Excellent Benefits

Hiring Organisation
Ascent Sourcing Ltd
Location
Norwich, Norfolk, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £42,000 per annum
Next.js, modern UI principles. Backend: Node.js, ASP.NET (C#), Spatial Data Languages: JavaScript (ES6+), TypeScript, C# Databases: SQL Server, PostgreSQL, MongoDB. APIs: RESTful, GraphQL. Testing: Jest or similar frameworks. Cloud Infrastructure: DevOps/AWS/Github/Jira/Confluence/M365 Preferred Skills Experience with cloud platforms (Azure/ ...

Senior Frontend Web Developer (React &

Hiring Organisation
Narwhal Media Group (NMG)
Location
Newport, UK
Employment Type
Full-time
full-stack development (Node.js, serverless, API integration). Experience with performance profiling, Core Web Vitals, and SEO optimization. Knowledge of testing frameworks like Jest, React Testing Library, Cypress, or Playwright. What We Offer A collaborative and forward-thinking engineering team. Opportunities to influence architecture, design systems, and technical standards. Exposure ...

Senior Frontend Web Developer (React & Next.js)

Hiring Organisation
Narwhal Media Group (NMG)
Location
City Of Bristol, England, United Kingdom
full-stack development (Node.js, serverless, API integration). Experience with performance profiling, Core Web Vitals, and SEO optimization. Knowledge of testing frameworks like Jest, React Testing Library, Cypress, or Playwright. What We Offer A collaborative and forward-thinking engineering team. Opportunities to influence architecture, design systems, and technical standards. Exposure ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
London, UK
Employment Type
Full-time
/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Understanding of CI/CD practices and deployment pipelines Proficient in using version control systems (Git) Nice to have: Experience with design systems ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
Slough, Berkshire, UK
Employment Type
Full-time
/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Understanding of CI/CD practices and deployment pipelines Proficient in using version control systems (Git) Nice to have: Experience with design systems ...

Full Stack JavaScript Engineer - to £60k - ID45465

Hiring Organisation
Humand Talent
Location
Oxfordshire, England, United Kingdom
/CD pipelines Docker , containers, and microservice-based infrastructure Bonus experience (not required, but nice to have): NestJS , Next.js , or Gatsby Automated testing with Jest Message queues (e.g. RabbitMQ ) Search technologies (e.g. SOLR ) Experience with Java (especially Vert.x) Cloud exposure, especially AWS About You You’re a capable full stack ...

Full Stack Engineer

Hiring Organisation
Uniting Ambition
Location
Manchester, England, United Kingdom
have: Docker/Kubernetes, IaC (Terraform/ARM), Identity/Auth systems (OAuth2/JWT). Event streaming (Kafka/RabbitMQ), front-end testing (Jest, RTL). Fintech/healthcare/B2B SaaS experience. Benefits & Culture: Competitive salary £45k–£60k + performance bonus Hybrid working: flexible remote + collaboration days ...

Full Stack Developer

Hiring Organisation
Loopla
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Tailwind CSS and Next.js Comfort with AWS or GCP High level of English language proficiency Clear communicator, strong problem-solver Bonus Skills Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience. Soft skills The successful candidate ...

Full Stack Developer

Hiring Organisation
CODEVERSE LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 per annum
teams Front End Skills React (including good knowledge of hooks) SWR for working with external REST APIs Next.js Styled Components HTML, Modern JavaScript & CSS Jest Back End Skills C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Azure Data Factory (nice to have) GitHub Actions (nice to have) Terraform ...

Full Stack Developer

Hiring Organisation
Stott & May Professional Search Limited
Location
Warwickshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£460 - £510 per day
excellence Your Profile Essential Skills & Experience Front-End Development: React (including Hooks) SWR for REST API integration Next.js Styled Components HTML, Modern JavaScript & CSS Jest Back-End Development: C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Desirable/Nice-to-Have Skills Azure Data Factory GitHub Actions Terraform ...

Web Developer

Hiring Organisation
Noir
Location
Swindon, Wiltshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
including lazy loading, code splitting, and asset optimisation. Experience consuming secure REST APIs from the browser. Familiarity with front-end testing frameworks such as Jest, React Testing Library, Playwright or Cypress. Solid understanding of modern front-end tooling (e.g., npm/yarn, Vite/Webpack, ESLint/Prettier). Strong ...