1 to 25 of 29 Jest Jobs

experience with Node.js API development using REST and OpenAPI Web application development using HAPI Database expertise across PostgreSQL , MongoDB , and Redis Unit testing with Jest and Lab Source control using Git Cloud platform experience in AWS and/or Azure Containerisation technologies including Docker , Kubernetes , and ECS CI/ ...

Services, AKS, and storage. Experience developing and consuming APIs and managing data exchange between systems. Familiarity with CI/CD pipelines, testing frameworks (JUnit, Jest, Cypress), and Git workflows. Awareness of secure coding practices, authentication (OAuth/OIDC), and identity management. Strong collaboration and problem-solving skills in multidisciplinary teams. ...

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 ...

tested at interview. React: * Strong hands-on React with TypeScript * Micro Frontends using Module Federation * Reusable components, state and API data handling * Testing with Jest, React Testing Library or Cypress * Accessibility and performance Python: * Strong hands-on Python building production services * APIs consumed by React front ends * Serverless Python ...

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, XUnit) and best practices for ensuring code quality. DevOps Practices: Expertise in DevOps, particularly around automating deployment, monitoring, and scaling applications. Communication: Able to confidently ...

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 ...

skillsTypeScript and modern JavaScript — AdvancedReact — ExpertHTML5/CSS3 — ExpertRESTful APIs — AdvancedAWS — Intermediate to AdvancedGit version control and CI/CD pipelinesDocker containerizationAutomated testing frameworks: Jest, React Testing Library, PlaywrightPerformance optimization and security best practicesCore competenciesTechnical leadership and mentorship: guiding senior and junior engineers and setting standards the team adoptsQuality ownership ...

frontend CI/CD practices using GitHub Actions, Azure DevOps, Jenkins, or equivalent platforms. Establish unit, integration, and end-to-end testing strategies using Jest, React Testing Library, Playwright, or Cypress. Drive Core Web Vitals improvements, bundle optimization, caching, and rendering strategies. Establish frontend code quality, security, and observability standards. ...

frontend CI/CD practices using GitHub Actions, Azure DevOps, Jenkins, or equivalent platforms. Establish unit, integration, and end-to-end testing strategies using Jest, React Testing Library, Playwright, or Cypress. Drive Core Web Vitals improvements, bundle optimization, caching, and rendering strategies. Establish frontend code quality, security, and observability standards. ...

Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing and automation/Testing frameworks (e.g. Mocha, Jest, Cypress) Experience working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training ...

Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing and automation/Testing frameworks (e.g. Mocha, Jest, Cypress) Experience working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training ...

Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing and automation/Testing frameworks (e.g. Mocha, Jest, Cypress) Experience working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training ...

Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Unit testing and automation/Testing frameworks (e.g. Mocha, Jest, Cypress) Experience working in an Agile delivery team We appreciate you may not be an expert in every area above - we can support with training ...

HTML and CSS fundamentals, including responsive and accessible design Experience building secure applications and integrating frontend services with APIs Strong testing experience, ideally including Jest and React Testing Library Comfortable working with Git-based development, CI/CD and modern engineering practices Experience within consultancy, government, law enforcement or similarly ...

requests and take part in code reviews Build accessible interfaces that meet WCAG 2.2 AA. Write unit tests and Playwright tests, PHPunit, Vitest/Jest Identify the cause of bugs and implement bug fixes Support Deployment to customer and internal environments Write secure code that protects users, including against cross ...

frontend security Clear communication and the ability to explain technical choices to technical and non-technical people Nice to have Design system experience Jest, Jasmine, Cypress, Playwright or similar NgRx or Angular signals Web performance optimisation and tools such as Sentry Docker, AWS and modern deployment pipelines Experience in agile ...

memory usage Optimising lists (FlatList, SectionList) Managing animations and gestures efficiently Analytics, crash reporting, and monitoring (Firebase, GA) Testing & Quality: Unit testing with Jest Use of linting and formatting tools (ESLint, Prettier) Build, Release & Tooling: Git-based version control workflows CI/CD for React Native apps (via ADO) Experience ...

Services (EAS Build). Over-the-Air (OTA) updates. Experience working with maps, location services, camera integrations or push notifications. Testing frameworks such as Jest or Playwright. Monitoring tools such as Sentry. Exposure to PHP or Laravel. Experience working within Agile teams using Jira. Experience leveraging AI tools to improve ...

Proficiency in Python, including machine learning libraries such as PyTorch or scikit-learn, and experience of large language model APIs. Competence in automated testing (Jest and pytest) and in Git and GitHub, including code review. A secure and careful approach to the handling of personal data. The ability to work ...

building RESTful and/or tool-based APIs integrating with complex internal/external systems Testing Experience with automated testing frameworks (e.g., pytest, Jest/React Testing Library) and a quality-first mindset Collaboration Demonstrated ability to engage directly with business users to scope and refine requirements Domain Knowledge Familiarity ...

building RESTful and/or tool-based APIs integrating with complex internal/external systems Testing Experience with automated testing frameworks (e.g., pytest, Jest/React Testing Library) and a quality-first mindset Collaboration Demonstrated ability to engage directly with business users to scope and refine requirements Domain Knowledge Familiarity ...

experience with modern React patterns (hooks, context, state management)Experience with frontend testing strategies and tools (unit, integration and end-to-end), e.g., Jest/Vitest, React Testing Library, Playwright/CypressAccessibility-first delivery (WCAG), including semantic HTML and assistive technology testingWeb performance optimisation and profiling, including Core Web Vitals ...

applied experience Strong hands-on experience building enterprise web applications with React + TypeScript, including advanced component patterns. Strong experience with UI testing (e.g., Jest/React Testing Library and Cypress/Playwright) and systematic debugging/troubleshooting. Proven experience designing and delivering accessible, performant UIs (WCAG awareness, profiling, bundle ...

same. Demonstrated ability to communicate technical designs with clear documentation and visualization Understanding front-end testing methodologies, test-driven development, and associated frameworks (Jest, Cucumber, and other related test frameworks a plus) Bachelor's Degree in Computer Science, Technology or equivalent experience. Pay Transparency: The typical base pay for this ...

them. Build and consume API microservices. Work with SQL or NoSQL databases, and use Redis for caching and session handling. Write automated tests with Jest or Mocha, and practise test-driven development. Follow the GOV.UK Design System and GDS standards and patterns, and meet the GDS Service Standard. Make sure … Looking For Essential: BPSS check required. Strong, hands-on experience of JavaScript, TypeScript and Node.js. Experience with Express or Fastify. Experience writing tests with Jest or Mocha. Experience with SQL or NoSQL databases. Experience with Redis and with building or using API microservices. Experience working with AWS and Azure ...