1 to 25 of 163 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 ...

Full Stack Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £450 to £460 per day
responsive web design. Exposure to AWS technology stacks (serverless applications, Step Functions/Workflows, Lambdas, S3, DynamoDB). Experience writing unit tests with Jest or Jasmine and improving code coverage. Experience in end-to-end automated testing using Playwright. Integration experience with RESTful APIs and microservices. Strong focus on quality ...

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
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
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
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
Stott and May
Location
Manchester, UK
Proficient with TypeScript, HTML5, CSS3, SCSS and responsive design. Experience with AWS serverless technologies (Step Functions, Lambda, S3, DynamoDB). Unit testing experience using Jest or Jasmine; E2E testing with Playwright. Experience integrating with microservices and RESTful APIs. Familiarity with Splunk for logging/monitoring. Knowledge of NodeJS, NestJS ...

Software Engineer

Hiring Organisation
Uniting Ambition
Location
Manchester Area, 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 ...

Lead Fullstack Developer

Hiring Organisation
Ascent Sourcing Ltd
Location
Norwich, Norfolk, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £60,000 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/ ...

Frontend Web Developer

Hiring Organisation
Candour
Location
Leeds, England, United Kingdom
team. Nice-to-Haves: Experience with UI component libraries (Material UI, Chakra UI, Tailwind, etc.). Familiarity with front-end testing frameworks (Jest, React Testing Library, Cypress). Exposure to CI/CD pipelines and deployment workflows. Basic understanding of backend or full-stack concepts. Experience with performance profiling ...

Software Engineer

Hiring Organisation
Uniting Ambition
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£45000 - £60000/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 ...

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 ...

Senior Angular Developer

Hiring Organisation
SearchWorks
Location
United Kingdom
Integrating RESTful APIs and managing complex state (e.g. NgRx, Signals) in a high-traffic environment. Owning code quality through reviews, automated testing (Cypress/Jest) and CI/CD-driven delivery. Must-Have Experience Strong commercial experience with modern Angular (roughly 18–20), TypeScript and RxJS. 4–8 years’ front ...

React JS Developer

Hiring Organisation
HCLTech
Location
City of London, London, 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). ...

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 Limited
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
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 ...

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 Engineer, Frontend

Hiring Organisation
Travelex
Location
London Area, 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 ...

Full Stack Engineer

Hiring Organisation
Net2Source (N2S)
Location
Edinburgh, Scotland, United Kingdom
component libraries Material UIChakra and design systems GDS Performance tuning memoization virtualization bundle splitting webpackVite accessibility WCAG responsive layout CSS in JS TailwindMUI Testing Jest React Testing Library Back End NET NET 78 ASPNET Core Web API EF Core LINQ DDDCQRSMediatR background processing HangfireQueues Data Azure SQL Cosmos DB caching ...

Staff React Engineer (TypeScript + AI Experience)

Hiring Organisation
Wizeline
Location
London Area, 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
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 ...

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 ...