14 of 14 Permanent Jest Jobs in London

IntelliJ IDEA, GitLab, Docker. Strong experience in AWS Lambda, AWS Step Functions, AWS IAM. Proficiency in unit testing (JUnit 4/5), Karma or Jest, and familiarity with BDD/TDD. Strong knowledge of relational databases (MS SQL Server preferred). Strong communication, problem solving, and critical thinking skills. Experience ...

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 ...

Understanding of responsive design and cross-browser compatibility Familiarity with modern build tools like Webpack, Babel, or Vite Basic understanding of testing frameworks (Jest, React Testing Library) Knowledge of backend design patterns and API design principles Experience with relational databases Experience integrating with external services and APIs Familiarity with ...

Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Experience with automated testing suites, like Jest or Mocha. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing, and deployment (App Store, Google ...

EventBridge Amazon Kinesis Data Streams API Gateway DynamoDB and S3 Experience testing event-driven and serverless architectures Test Automation & Tools Experience with: Automation frameworks (Jest framework, Java/Springboot, or similar) API testing tools (Postman, REST clients) Ability to: Create automated test suites Validate JSON-based inputs/outputs ...

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 ...

patterns (OAuth, JWT) Familiarity with state management libraries such as Redux or Zustand Awareness of accessibility (WCAG) standards Experience writing unit or integration tests (Jest, React Testing Library) Familiarity with AI coding assistants (e.g. GitHub Copilot, Cursor) as a productivity aid — we value developers who can leverage these tools thoughtfully ...

projects demand. Languages & Frameworks: Python (3.10+), TypeScript, JavaScript (ES6+), SQL, Bash · Frontend: React.js, Next.js (App Router & Server Components), Tailwind CSS, ShadCN UI, Redux, Zustand, Jest, Cypress. Build AI product UX patterns (streaming, review loops, provenance/citations, long-running tasks, error-recovery Backend: Django (5.x+), DRF, FastAPI, Pydantic, Celery, Django ...

reactive programming paradigms Architecture: Strong understanding of micro-frontends and Single Page Applications (SPA) Testing: Hands-on experience with React Testing Library/Jest for unit and integration testing UI Automation (Good to Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading ...

possess previous experience in:TDD/ATDD/BDD, DDD, Pair/Ensemble Program mingWildfly, Oracle SQL, AWS, Docker/Kubernetes, Kafka, Jen kinsGWT, Jest, Vite, Cypress, Playwright, eslint, esbuild, webpack, web compon ents ...

products (backend services, Android, iOS, React apps). Write clean, testable code with a commitment to maintaining high coding standards through comprehensive testing (Jest, PyTest, JUnit, etc.). Attributes Need to Haves: C++ - Strong understanding of multithreading, asynchronous programming, network protocols Advanced knowledge of Python and related frameworks (FastAPI, NumPy ...

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 ...

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 ...