16 of 16 Jest Jobs in London

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. ...

Cloud/Spring Data JPA/Spring Boot Microservices. Should have troubleshooting skills using debuggers, logs, etc. Strong understanding of test‐driven development using Jest, Cypress, JavaScript, JUnit, Mockito. Experience with public clouds like AWS, GCP will be added advantage. Experience with OpenShift, Docker and Kubernetes. Understanding of build ...

/API work. Tech & Skills JavaScript/TypeScript, React/Angular/Vue Node.js, REST/GraphQL APIs HTML, CSS, responsive & accessible design Testing (Jest/Cypress), CI/CD, Git Experience integrating APIs (AI exposure a bonus) Responsibilities Build high-quality frontend applications Develop reusable UI components Collaborate across ...

work with a variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive ...

APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge ...

Node.js development experience (including frameworks like Express) and NPM package management. Testing: Deep understanding of Test Driven Development (TDD) and common testing frameworks (e.g., Jest, Mocha, Chai). Data: Practical experience with Relational or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB, DynamoDB). Version Control: Git and experience with distributed version ...

APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge ...

working with CI/CD pipelines using tools like GitHub Actions, CircleCI, or AWS CodePipeline. Familiarity with modern testing practices and tools (e.g., Jest, Vitest), including writing unit and integration tests. Basic understanding of secure development practices and familiarity with threat modelling and risk assessment techniques. Good time management ...

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 ...

Proven ability to develop secure, high‐quality production Typescript code. Commitment to code quality, including writing and maintaining test cases with frameworks such as Jest, Cypress, and @testing‐library/react, as well as conducting performance testing. #J-18808-Ljbffr ...

design capability across major providers; rounded understanding of database trade‐offs – relational, NoSQL, graph and caching strategies. Strong engineering practices: CI/CD, testing (Jest, Cypress, React Test Library), release management and security‐conscious development. A genuine passion for AI solutions and specifically for the complexity of delivering them ...

development experience , ideally within insurance pricing. Experience with C# .NET would be beneficial RESTful APIs and JSON. Automated testing frameworks such as NUnit, Selenium, Jest, Jasmine, Mocha or similar. CI/CD pipelines, DevOps practices and configuration management tools. Delivering scalable, maintainable enterprise software. Working within Agile development environments. Excellent ...

React & React Native, TypeScript, MobX, Redux, Stylus and SASS, Jenkins (we deploy to production as soon as we finish a feature), Behat, Playwright, PHPUnit, Jest, Selenium, Maestro and Detox. How you'll have an impact Manage and mentor your Engineering Managers to ensure that they and their teams are high ...

code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They’re Looking For Deep expertise with React and modern TypeScript/JavaScript Strong ...

maintain and optimise PostgreSQL and MongoDB databases - Build secure RESTful APIs and microservices - Optimise application performance, scalability and reliability - Implement automated testing using TDD, Jest and Cypress - Collaborate with Product, QA, Design and DevOps teams - Participate in code reviews and engineering best practice - Support CI/CD pipelines and Docker … experience - Knowledge of PostgreSQL and MongoDB - Experience with Docker, CI/CD and cloud platforms (AWS desirable) - Experience of Agile software development - Knowledge of Jest, Cypress and Test-Driven Development - Excellent problem-solving and communication skills - Comfortable working independently in a remote environment - Passion for developing scalable, maintainable software ...

proficiency in React, Next.js, and TypeScript. You should have experience with CSS Modules, styled-components, or similar tools. Familiarity with testing frameworks such as Jest, CI... Technologies Architect Blockchain CI/CD CSS ESLint Jest React TypeScript styled-components JavaScript Frontend More We are pleased to offer a competitive salary ...