26 to 50 of 104 Jest Jobs

Senior Software Engineer - Pensions, ISA and Investments

Hiring Organisation
Hargreaves Lansdown
Location
Woking, Surrey, UK
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
Brighton, East Sussex, UK
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
Bolton, Greater Manchester, UK
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, 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 ...

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 ...

Software Engineering Manager - Unified Client Experience (UCX)

Hiring Organisation
Hargreaves Lansdown
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud-native architecture : AWS, Docker, Kubernetes Observability tools Interview Process 3 Stage Interview Stage ...

Full Stack Developer

Hiring Organisation
DCV Technologies
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £470/day
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 ...

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 ...

Senior Front-End Developer - React

Hiring Organisation
Reed
Location
Seaton Delaval, 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 ...

Software Engineer (Lower-Mid Level)

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Permanent
Salary
£65,000
Hands-on experience with cloud environments and Infrastructure-as-Code, alongside foundational CI/CD knowledge. Experience working with automated testing tools such as Jest, Cypress or Backstop. Understanding of RESTful APIs, microservices, documentation, versioning and mocking. Experience contributing to code reviews and working within Agile delivery environments. This ...

(SC Cleared) NodeJS Developer - Inside IR35

Hiring Organisation
Sanderson Recruitment
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Permanent
Salary
Up to £500 per day + Inside IR35
LDDF framework , MOD digital services, or Defence data standards Infrastructure as Code - Terraform or Ansible Experience with MODCloud, AWS, or Azure Testing frameworks: Jest, Mocha, Supertest Familiarity with JSP 440 , NCSC Secure Coding Guidelines , or Defence Digital standards Security Clearance Active SC clearance is mandatory . Candidates eligible ...

(SC Cleared) NodeJS Developer - Inside IR35

Hiring Organisation
Sanderson Recruitment
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract
LDDF framework , MOD digital services, or Defence data standards Infrastructure as Code - Terraform or Ansible Experience with MODCloud, AWS, or Azure Testing frameworks: Jest, Mocha, Supertest Familiarity with JSP 440 , NCSC Secure Coding Guidelines , or Defence Digital standards Security Clearance Active SC clearance is mandatory . Candidates eligible ...

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). ...

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 ...

Lead Full Stack Engineer

Hiring Organisation
BIOMETRIC TALENT
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
practices (CI/CD pipelines, Docker, GitHub Actions). Familiarity with frontend tooling such as Vite, ESLint, CSS-in-JS, and testing frameworks like Jest or Cypress. Excellent communication and collaboration skills. Strong leadership skills and the ability to guide teams through technical decisions. A passion for quality, performance ...

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 ...

Senior Frontend Developer

Hiring Organisation
Rentman
Location
Utrecht, Netherlands
Employment Type
Permanent
Salary
EUR Annual
Frontend Developer Deep Experience building modern single-page applications, writing efficient and scalable frontend code using Angular and Typescript. Expertise with testing tools like Jest, Karma, Jasmine, Cypress, Playwright, or Enzyme You care about code quality -writing clean, readable code supported by unit and integration tests Experience in collaborative, multidisciplinary ...

Front End Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
e.g., Adobe Analytics) Strong engineering principles for SPAs and best practices for TypeScript Expertise in state management and routing Unit testing/TDD using Jest or Vitest Proficiency with Git, GitLab, merge requests, and code reviews Experience with NPM Workspaces, pre-commit hooks, and build/test pipelines Understanding ...

Front End Developer

Hiring Organisation
Hays Technology
Location
Edinburgh, Marchmont, City of Edinburgh, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day
e.g., Adobe Analytics) Strong engineering principles for SPAs and best practices for TypeScript Expertise in state management and routing Unit testing/TDD using Jest or Vitest Proficiency with Git, GitLab, merge requests, and code reviews Experience with NPM Workspaces, pre-commit hooks, and build/test pipelines Understanding ...

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 ...

Front End Developer - ReactJS, Redux, Typescript

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£545 - £548/day Up to £545 per day (Inside IR35)
using tools such as Adobe Analytics. Strong understanding of state management principles and routing strategies. Proficient in unit testing and Test-Driven Development using Jest or Vitest. Skilled in Git, GitLab workflows, and managing merge requests. Experienced with NPM Workspaces, pre-commit hooks, and build/package/test processes. ...

Principal Full Stack Engineer - React, Typescript, C#, .NET Core, MySQL, AWS Services (serverless)

Hiring Organisation
Smart Sourcer
Location
London, UK
Employment Type
Full-time
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 ...

Intermediate PHP/Wordpress Web Developer

Hiring Organisation
Global Relay
Location
London Area, United Kingdom
integration Experience with TDD environment (Test Driven development) Unit testing with PHPUnit and/or a JS test framework eg Mocha, Jasmine/Jest, React Test Worked in an agile environment (Epics, User Stories, Tasks). Company Benefits Private pension Bonus Full medical cover Dental care flexi working Free fruit ...

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 ...