1 to 25 of 79 Permanent Jest Jobs in the UK excluding London

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 ❯

/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 ❯

/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 ❯

/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 ❯

/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 ❯

/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 ❯

and event-driven architecture RESTful API design Kafka, Camunda Frontend Development React 18, Next.js, Redux JavaScript & TypeScript Experience with testing and static analysis tools (Jest, Mocha, Jasmine, ESLint, Prettier) Databases PostgreSQL, Snowflake, MySQL, MongoDB, Redis Schema versioning tools like Flyway SQL and NoSQL proficiency DevOps & Platform Systems AWS, Kubernetes CI More ❯

REST APIs and API documentation (OpenAPI) SQL & NoSQL databases Git, GitLab, CI/CD pipelines Docker & microservices Bonus Points for Experience With: Testing with Jest NestJS framework Jamstack – Gatsby or Next.js RabbitMQ, SOLR, or AWS Java or Vert.X (for those with polyglot experience!) Ways of Working: Agile and squad-based More ❯

JavaScript. Solid understanding of core web technologies (HTML5, CSS3). Experience working in cloud-hosted environments, ideally Azure. Familiarity with automated testing frameworks (e.g., Jest, Playwright). A collaborative mindset with a passion for solving real customer problems. Curiosity, initiative, and a drive to continuously learn and adapt. Bonus Points More ❯

Frontend: React.js, TypeScript, Next.js, HTML5, CSS Modules Backend: Node.js, Express.js, REST APIs Cloud & DevOps: AWS (Lambda, S3, DynamoDB), Docker, CI/CD pipelines Testing: Jest, React Testing Library Tools: GitHub, Jira, Slack What they're looking for: 7+ years of professional experience in JavaScript development Strong experience in both React.js More ❯

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 ❯

and experience writing testable code. You’ll need solid experience in Angular, TypeScript and RxJS along with experience in using testing tools such as Jest and Cypress or PlayWright. Additionally, you’ll demonstrate: Sound collaboration skills with the ability to work with business teams to produce pragmatic solutions that work More ❯

and experience writing testable code. You’ll need solid experience in Angular, TypeScript and RxJS along with experience in using testing tools such as Jest and Cypress or PlayWright. Additionally, you’ll demonstrate: Sound collaboration skills with the ability to work with business teams to produce pragmatic solutions that work More ❯

TypeScript Frontend: React, Vue.js Backend: Node.js, Express AI Dev Tools: GitHub Copilot, Claude, Windsurf Enterprise Platforms: Microsoft MCP Cloud Platforms: AWS, Vercel, Azure Testing: Jest, Cypress, Playwright Version Control: Git, GitHub Agile Tools: Jira, Trello Why Join TwoSD? At TwoSD , innovation isn’t a department—it’s a mindset. Here More ❯

TypeScript Frontend: React, Vue.js Backend: Node.js, Express AI Dev Tools: GitHub Copilot, Claude, Windsurf Enterprise Platforms: Microsoft MCP Cloud Platforms: AWS, Vercel, Azure Testing: Jest, Cypress, Playwright Version Control: Git, GitHub Agile Tools: Jira, Trello Why Join TwoSD? At TwoSD , innovation isn’t a department—it’s a mindset. Here More ❯

or GCP, and related technologies (e.g. Kubernetes, Docker and serverless). Experience with unit, integration, and end to end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing to More ❯

Frontend: React.js, TypeScript, Next.js, HTML5, CSS Modules Backend: Node.js, Express.js, REST APIs Cloud & DevOps: AWS (Lambda, S3, DynamoDB), Docker, CI/CD pipelines Testing: Jest, React Testing Library Tools: GitHub, Jira, Slack What they're looking for: 7+ years of professional experience in JavaScript development Strong experience in both React.js More ❯

CI/CD tools (TeamCity) and source control (GIT). Familiar with Cloudflare, AWS, Terraform. Able to write unit tests with frameworks (Xunit, Nunit, Jest, Jasmine). Experienced with logging tools (Elasticsearch, Rollbar, Sentry) and RESTful APIs development. Interested? Please submit your updated CV to Emma Siwicki at Crimson for More ❯

and Laravel skills. Strong experience with React, NodeJS backend, Node Package Manager (NPM). Docker containerisation. Writing and maintaining Unit Tests - experience with PHPUnit, Jest or similar. API Development - including RESTful APIs. Automated testing tools - including Selenium, Cypress, Postman. SQL - coding and management with various SQL dialects including SQL, MSSQL More ❯

and Laravel skills. Strong experience with React, NodeJS backend, Node Package Manager (NPM). Docker containerisation. Writing and maintaining Unit Tests - experience with PHPUnit, Jest or similar. API Development - including RESTful APIs. Automated testing tools - including Selenium, Cypress, Postman. SQL - coding and management with various SQL dialects including SQL, MSSQL More ❯

and Laravel skills. Strong experience with React, NodeJS backend, Node Package Manager (NPM). Docker containerisation. Writing and maintaining Unit Tests - experience with PHPUnit, Jest or similar. API Development - including RESTful APIs. Automated testing tools - including Selenium, Cypress, Postman. SQL - coding and management with various SQL dialects including SQL, MSSQL More ❯

advantageous: Latest versions of .NET AI, Machine Learning JavaScript, TypeScript and associated frameworks Containers, Docker, Kubernetes NoSQL Test tools such as xUnit, Cypress, Selenium, Jest, SoapUI Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy. More ❯

of CSS, SCSS, SASS, LESS, Styled components. Experience working with a Tagging Technology such as Google Analytics or equivalent. Testing frameworks such as Cypress, Jest and Enzyme/RTL. Additional experience with the following will also be of interest: Practical experience in Node.JS, Redux, Express. Experience mentoring or knowledge sharing More ❯

the use of IaC tools such as Terraform and AWS CloudFormation. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing to More ❯

the use of IaC tools such as Terraform and AWS CloudFormation. Experience with unit, integration, and end-to-end testing tools and practices (e.g. Jest, Cypress, Backstop, Playwright). Experience with CI/CD and Trunk Based Development. Experience with observability tools and practices, including monitoring, logging, and tracing to More ❯