1 to 25 of 100 Permanent Jest Jobs in the UK

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
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
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 (Cardiff)

Hiring Organisation
TPXImpact Holdings Plc
Location
London, England, United Kingdom
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 communicate with internal ...

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 ...

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 ...

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/ ...

Software Engineer

Hiring Organisation
Uniting Ambition
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
OpenID Connect/JWT). Experience with messaging/eventing platforms (RabbitMQ, Kafka). Infrastructure as Code (Terraform, ARM templates). Front-end testing (Jest, React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
City of London, London, United Kingdom
usability, personalization, or automation. Deep understanding of JavaScript (ES6+) , React Hooks, and state management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs . Bachelor’s degree in Computer Science, Software Engineering, or related ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
Slough, Berkshire, UK
Employment Type
Full-time
usability, personalization, or automation. Deep understanding of JavaScript (ES6+), React Hooks, and state management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs. Bachelor's degree in Computer Science, Software Engineering, or related field. ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
/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 Engineering Manager - Unified Client Experience (UCX)

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, Appium CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud-native architecture : AWS, Docker, Kubernetes Observability tools Interview Process 3 Stage Interview Stage ...

React JS Developer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
Participate in code reviews and maintain coding standards. Nice-to-Have Experience with TypeScript , Material UI , or Styled Components . Exposure to testing frameworks (Jest, Enzyme). Familiarity with CI/CD pipelines and cloud platforms (GCP). ...

Mid Level Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 per annum
DevOps practices including CI/CD pipelines and infrastructure automation. Required Skills TypeScript/Node.js REST APIs (Express, Nest.js, or similar frameworks) Unit testing (Jest or equivalent) Cloud computing (GCP preferred; AWS or Azure experience also valuable) Infrastructure as Code (Terraform or similar) Docker and Compose Continuous Integration tools ...

Front End Software Engineer

Hiring Organisation
Nigel Wright Group
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £80,000 per annum
JavaScript and TypeScript. Experience with modern frameworks such as Vue.js or React (other similar frameworks acceptable). Familiarity with automated testing frameworks (e.g., Jest, Cypress). Experience setting up and maintaining CI/CD pipelines (e.g., GitHub Actions). Experience deploying and configuring cloud environments (Azure or AWS preferred). ...

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 ...

Senior Software Engineer - Unified Client Experience (UCX)

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
adaptability matter. Your Technical Toolkit React/React Native/TypeScript JavaScript/HTML/CSS Figma/Vercel/Git Testing frameworks: Jest, Cypress, Appium CI/CD pipelines: GitHub Actions, Harness, Github Desirable Familiarity with RDBMS/NoSQL for data modeling awareness Interview Process 3 Stage Interview Stage ...

Principal Software Engineer - Unified Client Experience (UCX)

Hiring Organisation
Hargreaves Lansdown
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
HTML/CSS RDBMS (Oracle, Sybase)/NoSQL (Document DB) AWS/Docker/Kubernetes CI/CD pipelines : GitHub Actions, Harness Testing frameworks : Jest, Cypress, Appium Observability tools : Prometheus, Grafana Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with ...

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 ...

Principal Engineer React, Typescript, C#, AWS (Serverless), MySQL

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Gateway, SQS/SNS, Step Functions, S3, IAM) to deliver secure, event-driven systems. Embed testing-first practices (TDD/BDD, contract tests, Jest/RTL, Playwright/Cypress, xUnit/NUnit) to raise code quality. Implement modern CI/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation ...

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 ...