1 to 25 of 43 Jest Jobs

Senior React Developer - SC Cleared

Hiring Organisation
NSD
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Modern JavaScript (ES6+), HTML5 and CSS3. State management libraries such as Redux or Context API. REST APIs and asynchronous programming. Testing frameworks such as Jest and React Testing Library. Git and collaborative development workflows. Agile/Scrum delivery environments. CI/CD pipelines and modern software engineering practices. Desirable experience ...

Fullstack Frontend Developer

Hiring Organisation
Opus Recruitment Solutions
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£0 - £400/annum
Knowledge of state management tools such as Redux or Zustand Strong focus on performance, accessibility, and user experience Experience with testing frameworks such as Jest, Cypress, or Playwright Familiarity with Git and CI/CD practices Desirable Skills Experience with Next.js Exposure to AI-powered features or API integrations Knowledge ...

UI Architect

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £570 per day
Nice to Have Event-driven architecture experience (Kafka, async patterns) Observability tools (Prometheus, Grafana, ELK) Frontend security (OAuth2, JWT) Automated testing frameworks (Cypress, Playwright, Jest) Design systems and tooling (Storybook, Figma) Experience in financial services, fintech, or payments environments Reasonable Adjustments: Respect and equality are core values to us. ...

Senior Software Engineer – Client Identity (Backend)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Code (CloudFormation or CDK/Terraform) Strong Git practices and CI/CD experience (GitHub Actions or similar) Experience writing unit and integration tests (Jest) Nice to Have Experience with identity, authentication, or MFA systems Familiarity with Kong API Gateway or similar Exposure to Aurora PostgreSQL or DynamoDB Knowledge ...

Full-Stack Developer - AI-Assisted Development

Hiring Organisation
Spectrum It Recruitment Limited
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
similar server-side JavaScript/TypeScript environments REST APIs, ideally with Express, Nest.js or similar MongoDB and/or relational databases Unit testing with Jest or similar Working in a CI environment Clear communication and the ability to work well in a collaborative development team Useful experience AI-assisted development ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, 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 ...

Senior Frontend Engineer - Retail Digital Platform

Hiring Organisation
Sanderson
Location
West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £550 per day
HTML5, CSS3 and SCSS Responsive and mobile-first development experience REST API and/or GraphQL integration experience Testing experience using tools such as Jest, React Testing Library, Cypress or Playwright Experience working with Git-based version control and CI/CD pipelines Strong knowledge of frontend performance optimisation ...

Senior Front-End Developer - 12 months - Contract

Hiring Organisation
Jobleads-UK
Location
Leeds, England, United Kingdom
Experience in building accessible compliant user interfaces (WCAG). Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha. Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices ...

Software Engineering Lead (Full Stack)

Hiring Organisation
Robert Walters
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
deployment pipelines using tools like Azure DevOps or GitHub Actions. Testing Standards: Experience with unit testing frameworks (xUnit/NUnit) and frontend testing tools (Jest/Cypress) as part of standard development practices. The permanent role for a Software Engineering Lead (Full Sack) will pay a salary range ...

Senior Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
TypeScript (Node.js, React), MongoDB & Postgres. We use AWS for our cloud services and our infrastructure is managed with Kubernetes and Terraform. We test with Jest and Cypress, and monitor our systems with Prometheus, Grafana and Sentry. We embrace building with AI to help us deliver faster and better ...

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 ...

Principal 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 ...

Senior Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes ...

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 ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Wimbledon, England, United Kingdom
YAML, Terraform, CloudFormation, Bash/Zsh, and modern tooling (VSCode, GitHub, Vite, Rollup, tsx, npm). Proficiency with unit, integration, and E2E testing (Vitest, Jest, Cypress, Playwright). Skilled in mocking, dependency isolation, refactoring, and peer review. Understanding of accessibility, performance, load, and security testing. Experience building and maintaining ...

Principal Software Engineer

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
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 apply ...

Software Engineering Lead (Full Sack)

Hiring Organisation
Robert Walters
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
deployment pipelines using tools like Azure DevOps or GitHub Actions. Testing Standards: Experience with unit testing frameworks (xUnit/NUnit) and frontend testing tools (Jest/Cypress) as part of standard development practices. The permanent role for a Software Engineering Lead (Full Sack) will pay a salary range ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
scalable application patterns. Experience integrating RESTful APIs and backend services. Experience building performant, accessible and responsive user interfaces. Strong experience with automated frontend testing (Jest, React Testing Library, Playwright or Cypress). Experience with CI/CD pipelines and cloud‐hosted frontend deployments. Excellent communication skills with the ability ...

Staff React Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
team. This is non‐negotiable. Rigorous engineering standards – fluency with Git-based workflows, trunk-based development, CI/CD (ideally GitHub Actions), comprehensive testing (Jest, React Testing Library, Playwright), and a genuine commitment to accessibility, performance and secure-by-default coding. Technical leadership without the title – a track record ...

Java Software Engineer - Liverpool 1 dpw - up to £70,000

Hiring Organisation
Exalto Consulting
Location
Nationwide, United Kingdom
Employment Type
Contract
Contract Rate
£65000 - £70000/annum £70,000 + Benefits
accessibility (WCAG), and responsive design principles. Solid experience across the testing landscape, including unit, integration, and end-to-end testing using tools such as Jest, Detox, Cypress, Playwright, Selenium, JUnit, and Mockito — with a strong commitment to test-driven development. Solid understanding of CI/CD pipelines, version control ...

Java Software Engineer - Liverpool 1 dpw - up to £70,000

Hiring Organisation
17918
Location
London, United Kingdom
accessibility (WCAG), and responsive design principles. Solid experience across the testing landscape, including unit, integration, and end-to-end testing using tools such as Jest, Detox, Cypress, Playwright, Selenium, JUnit, and Mockito with a strong commitment to test-driven development. Solid understanding of CI/CD pipelines, version control ...

Java Software Engineer - Liverpool 1 dpw - up to £70,000

Hiring Organisation
Exalto Consulting ltd
Location
Merseyside, North West, United Kingdom
Employment Type
Permanent
Salary
£65,000
accessibility (WCAG), and responsive design principles. Solid experience across the testing landscape, including unit, integration, and end-to-end testing using tools such as Jest, Detox, Cypress, Playwright, Selenium, JUnit, and Mockito — with a strong commitment to test-driven development. Solid understanding of CI/CD pipelines, version control ...

Senior Engineer - PayE

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
client-facing web applications. Backend Stack: Proficient with Python, FastAPI, PostgreSQL, Redis , and designing secure REST APIs . Frontend Stack: Proficient with TypeScript, React, Jest , and Storybook . Experience with Micro Frontends (MFEs) is a major plus. DevOps & Cloud: Hands-on experience with Docker, Kubernetes, Terraform , and AWS . Foundations ...

Software Developer (Node.js & Angular)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Front End applications using Angular and TypeScript Write clean, maintainable and well-tested code using modern engineering practices Build and maintain automated tests using Jest Contribute to CI/CD pipelines using GitLab CI/CD Support cloud-native deployments using AWS and container technologies Participate in architecture discussions, code … developing applications with Node.js Excellent JavaScript and TypeScript knowledge Experience building REST APIs using Express.js Commercial Angular development experience Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience working with Git Desirable Skills Experience with some of the following technologies would ...

Software Developer (Node.js & Angular)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 70,000 Annual
Front End applications using Angular and TypeScript Write clean, maintainable and well-tested code using modern engineering practices Build and maintain automated tests using Jest Contribute to CI/CD pipelines using GitLab CI/CD Support cloud-native deployments using AWS and container technologies Participate in architecture discussions, code … developing applications with Node.js Excellent JavaScript and TypeScript knowledge Experience building REST APIs using Express.js Commercial Angular development experience Experience writing automated tests using Jest Experience using GitLab CI/CD Understanding of Agile software delivery Experience working with Git Desirable Skills Experience with some of the following technologies would ...