1 to 25 of 60 Jest Jobs

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/ ...

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 ...

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 ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
London Area, 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 ...

Staff Full Stack Engineer

Hiring Organisation
Addition
Location
Milton Keynes, England, 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 ...

React.js Developer

Hiring Organisation
Enin Systems
Location
Flagler Beach, Florida, United States
Employment Type
Any
Salary
USD Annual
version control workflows Understanding of responsive design and cross-browser compatibility Preferred Qualifications Experience with Next.js Knowledge of TypeScript Familiarity with testing frameworks (Jest, React Testing Library) Experience working in Agile/Scrum environments Basic understanding of backend technologies (Node.js, APIs ...

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 ...

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 Full-Stack Developer

Hiring Organisation
PMCS SERVICES
Location
Austin, Texas, United States
Employment Type
Any
Salary
USD Annual
interfaces Experience with highly complex application security requirements Experience with code reviews and in-depth code analysis Experience with JSON Web Tokens Experience with Jest Experience with Webpack Experience with JavaScript ECMAScript 6 Experience with Docker containers Experience with Git, Bitbucket Experience with WCAG 2.0 Standards, 508 Compliance/ ...

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 ...

UI & Mobile Developer

Hiring Organisation
Technosoft
Location
Texas, United States
Employment Type
Permanent
Salary
USD Annual
such as Git. Experience in developing Higher Order Components (HOC) and working with custom frameworks or libraries. Experience in Writing Unit Test Cases with Jest, Enzyme or Mocha. Proficient in developing ADA compliant applications. Excellent problem-solving skills and attention to detail. Ability to work effectively in a collaborative team ...

Full Stack Engineer

Hiring Organisation
Redimeer
Location
Manchester Area, 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 ...

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, UK
Employment Type
Full-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 ...

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 ...

Lead Java Developer

Hiring Organisation
Pyramid Consulting, Inc
Location
Glasgow, Scotland, 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 ...

Frontend Developer

Hiring Organisation
HireQ Talent
Location
United Kingdom
experience building frontend applications with React and TypeScript Solid understanding of modern frontend architecture and best practices Experience with frontend testing frameworks such as Jest, Playwright, or React Testing Library Familiarity with state and data fetching libraries (e.g. react query ) Experience working with design systems (e.g. Material UI ) 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 ...

Founding Senior Full-Stack Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
Have Experience in early-stage startups or founding engineering teams. Familiarity with containerisation and orchestration (Docker, Kubernetes). Knowledge of modern test tooling (Jest, Cypress, PyTest). Experience with observability tools and frameworks (logging, metrics, tracing). Why Join? Play a crucial role on the founding engineering team, shaping product ...

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 ...

Full Stack Engineer

Hiring Organisation
Stott and May
Location
Warwickshire, England, United Kingdom
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 ...

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 ...

Senior UI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
such as React or Vue.js Proven experience building institutional trading tools within financial markets FX trading systems experience highly advantageous Experience with testing frameworks (Jest, Cypress, etc.) and CI/CD pipelines Strong focus on performance optimisation and UI responsiveness Confident working directly with front-office stakeholders Bachelor's degree ...