1 to 25 of 55 Jest Jobs

Head of Software Engineering - 2 Days London City/3 Remote

Hiring Organisation
ZENZO DIGITAL LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Stack: 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 ...

Senior Engineer

Hiring Organisation
&Dine
Location
United Kingdom
handling, loading states Performance – bundle optimisation, code splitting, rendering strategies Accessibility & UX – semantic HTML, responsive design, usability best practice Testing – unit and component testing (Jest, Vitest, Testing Library, Cypress/Playwright) Version control – Git workflows, PR reviews, and collaboration Back-end Experience with some of the following, or a strong ...

Full Stack Engineer

Hiring Organisation
Shrinq Consulting Group Inc
Location
Huntsville, Alabama, United States
Employment Type
Any
Salary
USD Annual
Exposure to cloud services (AWS/Azure/GCP Experience with caching systems (Redis) or message queues (Kafka/RabbitMQ Knowledge of testing frameworks (Jest, Mocha, JUnit ...

Staff Full Stack Engineer

Hiring Organisation
Addition
Location
United Kingdom
scale, simplifying complex architectures. Understanding of CI/CD and DevOps principles (Azure DevOps experience ideal). Strong background in testing frameworks such as Jest, Playwright or Cypress. Collaborative leadership style with a passion for mentoring and continuous improvement. Experience working with micro frontends or Nx, and partnering closely with ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
United Kingdom
libraries (e.g., Redux, Zustand). Solid experience integrating front‐end apps with RESTful APIs, (GraphQL is a bonus). Experience with testing frameworks (e.g., Jest , React Testing Library ). Comfortable with CI/CD pipelines, version control ( Git ), modern build tools and an eye for performance optimisation. Strong understanding ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
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 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 Engineer

Hiring Organisation
Uniting Ambition
Location
United Kingdom
North West office . Nice-to-have: Docker/Kubernetes, Terraform/ARM, Identity/Auth (OAuth2/JWT), front-end testing (Jest, RTL), fintech/healthcare/B2B SaaS experience. Why join us? Competitive salary £45k–£60k + performance bonus Hybrid working: flexible remote + collaboration days ...

Mid-Level Developer – £45,000-£55,000 – Leeds City Centre (Hybrid)

Hiring Organisation
Reed
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum, Inc benefits
Next.js Use modern JavaScript (ES6+), hooks, state management, and functional components Testing, Collaboration & Best Practices Write unit, integration, and functional tests using PHPUnit and Jest Follow PSR-12, SOLID principles, and clean code practices Participate in code reviews, sprint planning, and architecture sessions Collaborate closely with other developers, product teams ...

Full Stack Engineer

Hiring Organisation
Redimeer
Location
United Kingdom
/CloudFormation/Pulumi are okay) CI/CD (preferably Github Actions, Gitlab pipelines and ArgoCD are okay) Experience with testing frameworks, e.g. Jest, Playwright Nice to have (in order of importance) Kubernetes (very nice to have), Microservice, Tailwind/ShadCN, AWS serverless expertise (Lambda/S3/API Gateway ...

React/Node .JS Developer

Hiring Organisation
HCL Global
Location
Jacksonville, Florida, United States
Employment Type
Any
Salary
USD Annual
required May include database knowledge in MongoDB Experience with modern web/UI development tools and techniques: Node, Webpack, Grunt/Gulp, GIT, Axios, Jest Client-side templating: mustache.js, handlebars.js, panni.js, and dust.js Proficiency using standard desktop applications such as MS Suite and flowcharting tools such as Visio Proficiency using ...

Software Engineer - Pensions, ISA & Investments

Hiring Organisation
Hargreaves Lansdown
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
Salary
£65,000
TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys learning - you prioritise growing knowledge Experience with CI/CD and Trunk Based Development. Understanding of Microservices & principles of RESTful ...

Senior Software Engineer - Pensions, ISA and Investments

Hiring Organisation
Hargreaves Lansdown
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Part Time
Salary
£80,000
TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with integration and onboarding 3rd party vendors, meeting with vendor engineering ...

Senior Software Engineer - Pensions, ISA and Investments

Hiring Organisation
Hargreaves Lansdown
Location
Bristol, UK
Employment Type
Part-time
TypeScript with React on the front end, IaC, CI/CD Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop). Enjoys upskilling others in a team - you prioritise sharing knowledge Experience with integration and onboarding 3rd party vendors, meeting with vendor engineering ...

Full stack developer

Hiring Organisation
Stackstudio Digital Ltd
Location
Warwick, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £480 to £500 per day
Experience 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 ...

Lead Front-End Developer

Hiring Organisation
Picture More
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £80,000 per annum
design and component architecture. Git and modern front-end workflows. Attention to detail and a problem-solving mindset. Desirable skills: Testing tools such as Jest, React Testing Library, or Cypress Build tools like Webpack or Vite Accessibility best practice knowledge Why this role? Hybrid working from a prime Liverpool Street ...

Lead Java Developer

Hiring Organisation
Pyramid Consulting, Inc
Location
United Kingdom
knowledge of SQL/MySQL Experience with JavaScript Exposure to frontend technologies: React JS, Redux, HTML5, CSS3 Familiarity with frontend testing tools such as Jest Strong problem-solving and communication skills Ability to work onsite, 5 days a week Why Join? Long-term contract with a global banking leader High ...

Senior Front-End Developer - React

Hiring Organisation
Reed
Location
Whitley Bay, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £62,000 per annum, Inc benefits
developers, and stakeholders to deliver user-centric products Integrate APIs and manage CI/CD pipelines Write robust unit tests using tools like Jest Contribute to architectural decisions and technical strategy Support continuous improvement and innovation across the development lifecycle Essential Skills: Expert-level proficiency in HTML, CSS, JavaScript Strong ...

Full Stack Engineer / Full Stack Developer

Hiring Organisation
Gamma Telecom Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
applications using frontend frameworks, such as React, Angular Good knowledge of HTML/CSS (3+ years) Experience using JavaScript unit & e2e test frameworks (eg. Jest, Playwright) Experience deploying code using CICD pipelines. Experience working with and mentoring junior engineers. Development knowledge of public cloud service, ideally AWS Kubernetes (not essential ...

Software Engineer

Hiring Organisation
Gamma Telecom Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
applications using frontend frameworks, such as React, Angular Good knowledge of HTML/CSS (3+ years) Experience using JavaScript unit & e2e test frameworks (eg. Jest, Playwright) Experience deploying code using CICD pipelines. Experience working with and mentoring junior engineers. Development knowledge of public cloud service, ideally AWS Development knowledge ...

Senior Java Developer

Hiring Organisation
Square One Resources
Location
Bournemouth, Dorset, United Kingdom
Employment Type
Contract
Contract Rate
£409/day
define, design, and ship new features. Some hands on knowledge on React JS, Redux, HTML5, CSS3 Some exposure to frontend testing tools like Jest Ensure the performance, quality, and responsiveness of applications. Identify and correct bottlenecks and fix bugs. Maintain code quality, organization, and automation. Implement security and data protection ...

Frontend Developer - Vue.js- Remote - £45,000 - £54,000 DOE

Hiring Organisation
Reed
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £54,000 per annum, Inc benefits
planning large stylesets Experience with Webpack or similar build tools Responsive design & mobile-first development Working with REST APIs within microservices Writing frontend tests (Jest, Vue Testing Library or similar) Understanding of modern UI/UX patterns and frameworks Desirable: Cloud experience Familiarity with TDD Knowledge ...

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 ...

Senior React Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
Staines, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
prerequisite Good software engineering principles eg Version control/Git, issue tracking, documentation etc Node.js Front end development tools and libraries like jest, rollup etc Experience with connected devices Web/UX design appreciation Figma or similar Full stack software development If you are seeking a role of this nature ...

Java AWS Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£80,000
Lambda, API Gateway, S3, DynamoDB, Step Functions, Apigee) Proficiency in AngularJS, Jenkins, Karate, Node 10, Groovy, Bash, Typescript. Knowledge of Gherkin, Cypress, Jest Tooling: Gitlab, Jenkins, CloudFormation, Maven, Docker, Fortify on Demand, SonarQube AWS DevOps Engineer certification or above. Understanding of software development lifecycle. Ability to apply secure coding practices. ...