1 to 25 of 44 Jest Jobs

Javascript Developer

Hiring Organisation
Sanderson
Location
City of London, London, United Kingdom
with AWS, Kubernetes, Docker and Lambda functions Experience working with Contentful CMS (content modelling, delivery APIs) Familiarity with infrastructure as code Testing experience with Jest and Playwright Understanding of RESTful APIs and microservices principles Comfortable working in an Agile, DevOps environment Proficient with Git and CI/CD pipelines (GitLab ...

Senior Engineer

Hiring Organisation
&Dine
Location
London, England, 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 Software Developer

Hiring Organisation
Genesis Code
Location
City of London, London, United Kingdom
demonstrate real-world application experience Experience writing and maintaining automated tests (unit, integration, or end-to-end) using modern testing frameworks such as Jest, React Testing Library, Cypress, or similar to ensure code quality and reliability. Good understanding of REST APIs, Git, and modern development practices Strong problem-solving skills ...

Java Fullstack developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Knutsford, Cheshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£280 - £318 per day
Docker Strong experience in AWS services such as Lamda, Step function and IAM Proficiency in unit testing (Junit 4/5), Karma or Jest, code quality metrics & BDD and TDD approaches. Strong knowledge of relational databases (ideally MS SQL server DB) Strong communication, problem-solving and critical thinking skills with ...

Full Stack Engineer

Hiring Organisation
Hays
Location
Manchester, England, United Kingdom
Docker • Strong experience in AWS services such as Lamda , Step function and IAM • Proficiency in unit testing (Junit 4/5) , Karma or Jest and code quality metrics & BDD and TDD approach • Strong Knowledge on relational databases (ideally MS SQL server DB) • Strong communication, problem solving and critical thinking skills ...

Front End Developer

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
system engineering teams to translate design into production-grade front-end code. Apply secure coding standards, accessibility principles and testing practices (Jest, Jasmine, Cypress). Contribute to continuous delivery pipelines and advocate DevOps ways of working within your team. As a Front End Developer, you will need: Strong skills ...

Frontend React Developer

Hiring Organisation
Explore Group
Location
City of London, London, 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 ...

Full Stack Developer

Hiring Organisation
Focus on WD
Location
Warwick, England, United Kingdom
agile ceremonies and team collaboration. Required Skills Front End React (including Hooks) Next.js SWR for REST APIs Styled Components HTML, modern JavaScript, CSS Jest Back End C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Nice to Have Azure Data Factory GitHub Actions/CI/CD Terraform Docker ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing/automation and use of testing frameworks (e.g. Mocha, Jest, Cypress) We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please ...

Frontend Developer

Hiring Organisation
Reed
Location
Whitley Bay, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£32,000 - £34,000 per annum, Inc benefits
desire to grow as a developer Nice to have (but not essential): Familiarity with cloud platforms (e.g., AWS, Azure) Experience with unit testing (Jest or similar) Exposure to CI/CD or version control tools like Git Interest in modern tooling, accessibility, and UI performance Salary ...

Junior Frontend Developer

Hiring Organisation
Reed
Location
Whitley Bay, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£32,000 - £34,000 per annum, Inc benefits
desire to grow as a developer Nice to have (but not essential): Familiarity with cloud platforms (e.g., AWS, Azure) Experience with unit testing (Jest or similar) Exposure to CI/CD or version control tools like Git Interest in modern tooling, accessibility, and UI performance Salary ...

Senior Software Developer

Hiring Organisation
Avance consulting
Location
Santa Clara, California, United States
Employment Type
Any
Salary
USD Annual
hands-on ServiceNow development Strong proficiency in JavaScript and front-end frameworks (React, Vue, or similar) Experience building and maintaining unit tests using Jest, Mocha, Jasmine, or similar Demonstrated ability to write performant, optimized code Understanding of UI/UX design principles and experience creating accessible and responsive interfaces Familiarity ...

Front End Developer

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
accessibility (ARIA) and form validation Experience with bundlers such as Webpack or Rollup Practical experience with Node.js and API integration Knowledge of Jest, Jasmine or similar testing frameworks Experience with Git and branching strategies Understanding of Agile delivery and CI/CD best practices Strong grounding in Computer Science fundamentals ...

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
Newport, 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 ...

Full Stack Developer

Hiring Organisation
Erin Associates
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
TypeScript Strong REST API development skills Experience with C# in enterprise environments Knowledge of CI/CD, cloud infrastructure, and Azure DevOps Experience with Jest or Vitest Join a collaborative, agile team developing data-rich, user-friendly enterprise applications. Erin Associates Ltd acts as an Employment Agency for this vacancy. ...

Senior Java Developer

Hiring Organisation
Velocity Talent Ltd
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£75,000
production-grade experience AWS services: ECS, ECR, Lambda, API Gateway, S3, DynamoDB, Step Functions, SQS AngularJS, TypeScript, Node.js, Groovy, Bash Testing: Karate, Gherkin, Cypress, Jest Tooling: GitLab, Jenkins, CloudFormation, Maven, Docker, SonarQube CI/CD pipeline design and operation AWS Certified DevOps Engineer Professional (or above) required 7+ years ...

Front End Developer

Hiring Organisation
Anson Mccade
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
validation, and ARIA accessibility standards. Familiarity with bundlers like Webpack/Rollup and environment configuration. Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine). Comfortable working in Agile teams and applying DevOps practices. Strong foundation in Object-Oriented Programming, design patterns, and data structures. Experience with ...

Front End Developer

Hiring Organisation
Anson Mccade
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
validation, and ARIA accessibility standards. Familiarity with bundlers like Webpack/Rollup and environment configuration. Experience with Node.js, API integration, and JavaScript testing frameworks (Jest, Jasmine). Comfortable working in Agile teams and applying DevOps practices. Strong foundation in Object-Oriented Programming, design patterns, and data structures. Experience with ...

Lead Software Engineer (MongoDB / Node.js / JavaScript)

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
wider JavaScript/TypeScript ecosystem Express.js and/or Fastify RESTful API design AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc.) CI/CD pipelines & DevOps practices GitHub workflows Observability tools (e.g., DataDog) Docker/Kubernetes Tech Stack Youll Be Working With Node.js, JavaScript/ ...

Senior Front-End Developer (React) - Whitley Bay

Hiring Organisation
Reed
Location
Whitley Bay, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£57,000 - £64,000 per annum, Inc benefits
scalable front-end architecture Experience with API integration, cloud platforms, and CI/CD workflows Writing unit tests Modern front end testing frameworks like Jest Ability to mentor colleagues and collaborate effectively Strong understanding of performance, security, and modern engineering patterns Desirable Skills Docker and container-based development Backend ...

Front End Developer

Hiring Organisation
Anson McCade
Location
England, United Kingdom
ECMA standards. Experience with front-end frameworks and architecting scalable web applications. Strong understanding of DOM complexity, CSS, accessibility standards and ARIA. Experience with Jest, Jasmine or similar test frameworks and a shift-left testing mindset. Practical experience with Git and branching strategies aligned to continuous delivery. Familiarity with Node.js ...

Senior Frontend Engineer

Hiring Organisation
AudienceProject
Location
City of London, London, United Kingdom
understanding of state management, component architecture, and performance optimisation techniques. Experience integrating with RESTful APIs and/or GraphQL. Experience implementing testing strategies (e.g., Jest, React Testing Library, Cypress or similar). Familiarity with CI/CD pipelines and modern development workflows. Excellent English communication skills. Strong collaboration skills ...