Permanent Jest Jobs in England

1 to 25 of 152 Permanent Jest Jobs in England

Back-End Engineer

Bristol, United Kingdom
Callen Lenz
Go, TypeScript, and/or JavaScript Experience with technologies such as MySQL, MongoDB, Postgres, Redis, gRPC, WebSockets, REST API, React, CSS, Rego/OPA, Jest, Cypress, Redux, microservices, AWS/Azure/GCP, Docker, Kubernetes, etcd, Tailwind, DaisyUI, shadcn/ui, Git, Ansible, Terraform, HTML5, Leaflet/Mapbox/Cesium More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Content & Personalisation

Bristol, Avon, South West, United Kingdom
Hybrid / WFH Options
Hargreaves Lansdown
/asset delivery APIS. Experience of developing and maintaining infrastructure as code. Experience with unit, integration, and end to end testing tools and practices (Jest, Playwright). Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews and following More ❯
Employment Type: Permanent, Part Time
Salary: £75,000
Posted:

Web Development Team Lead

Yorkshire, United Kingdom
Hybrid / WFH Options
Eclipse I.T. Recruitment
Python Databases: MySQL, PostgreSQL, MongoDB, Redis DevOps & Infrastructure: AWS (EC2, RDS, S3, Lambda), Docker, Kubernetes, GitHub Actions, GitLab CI/CD, Terraform Testing & QA: Jest, Mocha, Chai, Cypress, ESLint, Prettier Monitoring & Analytics: Sentry, LogRocket, Google Analytics, Amplitude Design & Prototyping: Figma, Adobe XD, Zeplin We adopt a technology-agnostic approach, ensuring More ❯
Employment Type: Any
Salary: GBP 60,000 - 80,000 Annual
Posted:

Senior Full Stack Software Engineer (.Net / React) (Remote)

London, United Kingdom
Hybrid / WFH Options
Remotestar
e.g., MySQL, PostgreSQL, MS SQL Server, MongoDB. Familiarity with Git and branching strategies such as GitOps. Solid understanding of testing frameworks and methodologies e.g. Jest, Mocha, Selenium. Ability to write and maintain unit, integration, and end-to-end tests. Ability to write and understand design documentation using C4, sequence diagrams More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead Full Stack Engineer (Senior Manager, Technology)

London, United Kingdom
Publicis Groupe
front-ends - React.js, Angular or Vue HTML, CSS, JavaScript (ES6) or TypeScript Webpack or Gulp A client-side Unit Testing framework e.g., Mocha or Jest Other technical skills API Management and Documentation (Swagger.io, I/O Docs) Experience with high scale, highly transactional, high performance, highly available systems and robust More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Web Architect

City of London, London, United Kingdom
Allen Lane
API Design : RESTful APIs, OpenAPI/Swagger, GraphQL CMS : Experience with various CMS platforms; headless CMS integration (e.g., Contentful, Sanity, Strapi) Testing : Automated testing (Jest, Mocha, Selenium), TDD, BDD, integration and load testing Observability : Logging, tracing, monitoring tools (e.g., Sentry, Datadog, New Relic) System Architecture : Designing scalable, secure, and maintainable More ❯
Posted:

Web Architect

London Area, United Kingdom
Allen Lane
API Design : RESTful APIs, OpenAPI/Swagger, GraphQL CMS : Experience with various CMS platforms; headless CMS integration (e.g., Contentful, Sanity, Strapi) Testing : Automated testing (Jest, Mocha, Selenium), TDD, BDD, integration and load testing Observability : Logging, tracing, monitoring tools (e.g., Sentry, Datadog, New Relic) System Architecture : Designing scalable, secure, and maintainable More ❯
Posted:

Web Architect

london, south east england, united kingdom
Allen Lane
API Design: RESTful APIs, OpenAPI/Swagger, GraphQL CMS: Experience with various CMS platforms; headless CMS integration (e.g., Contentful, Sanity, Strapi) Testing: Automated testing (Jest, Mocha, Selenium), TDD, BDD, integration and load testing Observability: Logging, tracing, monitoring tools (e.g., Sentry, Datadog, New Relic) System Architecture: Designing scalable, secure, and maintainable More ❯
Posted:

Web Architect

slough, south east england, united kingdom
Allen Lane
API Design: RESTful APIs, OpenAPI/Swagger, GraphQL CMS: Experience with various CMS platforms; headless CMS integration (e.g., Contentful, Sanity, Strapi) Testing: Automated testing (Jest, Mocha, Selenium), TDD, BDD, integration and load testing Observability: Logging, tracing, monitoring tools (e.g., Sentry, Datadog, New Relic) System Architecture: Designing scalable, secure, and maintainable More ❯
Posted:

Frontend Developer (Hampshire)

Hampshire, UK
Hybrid / WFH Options
Shaw Daniels Solutions
etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright). Strong problem-solving and analytical skills. Ability to work in an Agile/Scrum environment and collaborate across teams. Strong communication More ❯
Posted:

Developer Frontend

Winchester, Hampshire, South East, United Kingdom
Shaw Daniels Solutions
etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright). Strong problem-solving and analytical skills. Ability to work in an Agile/Scrum environment and collaborate across teams. Strong communication More ❯
Employment Type: Permanent
Posted:

Frontend Developer

Hampshire, England, United Kingdom
Hybrid / WFH Options
Shaw Daniels Solutions
etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright). Strong problem-solving and analytical skills. Ability to work in an Agile/Scrum environment and collaborate across teams. Strong communication More ❯
Posted:

Frontend Developer

southampton, south east england, united kingdom
Hybrid / WFH Options
Shaw Daniels Solutions
etc.). Knowledge of performance optimization techniques for web applications. Understanding of SEO best practices for modern front-end development. Experience with testing frameworks (Jest, Mocha, Cypress, Playwright). Strong problem-solving and analytical skills. Ability to work in an Agile/Scrum environment and collaborate across teams. Strong communication More ❯
Posted:

Lead Software Engineer

Chester, Cheshire, United Kingdom
Lloyds Banking Group
databases) Proficiency in working with RESTful APIs. Strong experience of test first development and unit testing with modern testing frameworks and tools such as Jest, Enzyme, React Testing Library, Pact, Cypress and Playwright. Familiarity with CI/CD and build pipelines, using tools such as Github, Harness, Jenkins, Docker, ELK More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Global Banking & Markets - Birmingham - Analyst - Front End Engineer

Birmingham, United Kingdom
WeAreTechWomen
with HTML, CSS-in-JS (or SASS), NodeJS, NPM and TypeScript. Experience of using and developing RESTful web services. Experience of web testing frameworks (Jest, Enzyme, Cypress, etc.). Experience working in a git-based CI/CD SDLC environment. Knowledge of data structures, algorithms, and designing for performance. Comfortable More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (Fullstack)

Chester, Cheshire, United Kingdom
Hybrid / WFH Options
Lloyds Banking Group
frameworks integrated with CI/CD pipelines. Strong experience of test first development and unit testing with modern testing frameworks and tools such as Jest, Enzyme, React Testing Library, Pact, Cypress and Playwright. DevOps: Familiarity with CI/CD and build pipelines, using tools such as Github , Harness, Jenkins, Docker More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Frontend

North Bradley, Wiltshire, United Kingdom
Poppulo
technologies (HTML5, CSS3, responsive design principles). Familiarity with modern UI frameworks (Material UI, Tailwind CSS, or similar). Experience with frontend testing frameworks (Jest, React Testing Library, Cypress). Knowledge of AWS cloud services and integration with serverless backend architectures (beneficial). Knowledge of WCAG standards and accessibility best More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Full Stack Developer

Northampton, England, United Kingdom
Eames Consulting
month contract basis to begin with. Essential Skills: Strong front-end technology skills using HTML, CSS, JavaScript, React JS, Redux, Node, test framework (e.g., Jest) Strong experience with back-end technology: Java, SpringBoot, JPA, Hibernate, Junit, Mockito, microservices Experience with SQL (MS SQL preferred), cloud technology and messaging tools. Experience More ❯
Posted:

Java Full Stack Developer

kettering, midlands, united kingdom
Eames Consulting
month contract basis to begin with. Essential Skills: Strong front-end technology skills using HTML, CSS, JavaScript, React JS, Redux, Node, test framework (e.g., Jest) Strong experience with back-end technology: Java, SpringBoot, JPA, Hibernate, Junit, Mockito, microservices Experience with SQL (MS SQL preferred), cloud technology and messaging tools. Experience More ❯
Posted:

Java Full Stack Developer

milton keynes, south east england, united kingdom
Eames Consulting
month contract basis to begin with. Essential Skills: Strong front-end technology skills using HTML, CSS, JavaScript, React JS, Redux, Node, test framework (e.g., Jest) Strong experience with back-end technology: Java, SpringBoot, JPA, Hibernate, Junit, Mockito, microservices Experience with SQL (MS SQL preferred), cloud technology and messaging tools. Experience More ❯
Posted:

Full Stack Engineer (Reading)

Reading, Berkshire, UK
measurable.energy
React or Svelte Working knowledge of relational databases like PostgreSQL Experience with Git and CI/CD pipeline tools Familiarity with testing frameworks (e.g., Jest, Mocha, PyTest, Cypress, or similar) Understanding of Agile methodologies and tools like Jira Nice-to-Have Skills Working knowledge of C#/.NET ecosystems. Experience More ❯
Posted:

Full Stack Engineer (Reading)

Holybrook, Berkshire, UK
measurable.energy
React or Svelte Working knowledge of relational databases like PostgreSQL Experience with Git and CI/CD pipeline tools Familiarity with testing frameworks (e.g., Jest, Mocha, PyTest, Cypress, or similar) Understanding of Agile methodologies and tools like Jira Nice-to-Have Skills Working knowledge of C#/.NET ecosystems. Experience More ❯
Posted:

Full Stack Engineer

Reading, England, United Kingdom
measurable.energy
React or Svelte Working knowledge of relational databases like PostgreSQL Experience with Git and CI/CD pipeline tools Familiarity with testing frameworks (e.g., Jest, Mocha, PyTest, Cypress, or similar) Understanding of Agile methodologies and tools like Jira Nice-to-Have Skills Working knowledge of C#/.NET ecosystems. Experience More ❯
Posted:

Full Stack Engineer

slough, south east england, united kingdom
measurable.energy
React or Svelte Working knowledge of relational databases like PostgreSQL Experience with Git and CI/CD pipeline tools Familiarity with testing frameworks (e.g., Jest, Mocha, PyTest, Cypress, or similar) Understanding of Agile methodologies and tools like Jira Nice-to-Have Skills Working knowledge of C#/.NET ecosystems. Experience More ❯
Posted:

Lead Front-End Product Developer (London Area)

London, UK
Hybrid / WFH Options
Futuria
Ability to build dynamic dashboards and complex interactive UIs Familiarity with preprocessors (Sass, LESS) and build tools (Webpack, Gulp) Experience with testing frameworks like Jest or Mocha Strong skills in optimizing front-end performance Success Metrics Deliver high-quality, responsive UI components that elevate the overall user experience Maintain a More ❯
Posted:
Jest
England
10th Percentile
£47,500
25th Percentile
£55,000
Median
£65,000
75th Percentile
£84,688
90th Percentile
£140,677