1 to 25 of 109 Jest Jobs in the UK

similar. Strong debugging, root‐cause analysis and resolution of production issues. Familiarity with unit, integration and end‐to‐end testing tools (e.g. Jest, Playwright). Experience integrating and onboarding 3rd‐party vendors, defining patterns and abstracting APIs. Understanding of microservices and RESTful API development (structuring, documentation, versioning, testing, stubbing/ ...

Code, GitHub Copilot, Codex) to generate, test, and refactor code. Testing & Quality: Unit/Integration testing across the stack (JUnit, Mockito, React Testing Library, Jest). Experience monitoring system health (SLIs/SLOs). Qualifications & Experience 7+ years of professional full-stack development experience. Background working in product-oriented, retail ...

Grafana). Containerization : Docker and Kubernetes. APIs : REST, GraphQL, OpenAPI. Databases : SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). Testing : Unit and functional testing (Jest, Cypress, Mocha). Soft Skills Strong communication skills for technical and non-technical stakeholders. Ability to work in fast-paced, complex environments. Proactive problem-solving ...

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. ...

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. ...

Claude Code (and friends) are daily drivers for rapid prototyping and refactors. React + TypeScript mastery: component design, hooks, performance, testing (Vitest/Jest, Playwright). FastAPI expertise: async patterns, Pydantic schemas, pagination, auth (OAuth2/OIDC), rate‐limits, background jobs. Elasticsearch fluency: mappings/analyzers (ngrams, synonyms), aggregations, filters ...

open to discussing and honing approaches for our team to improve our working practices.· Have experience of test-driven development and mocking libraries (Jest, Mockito)· Have experience with creating and updating technical documentation using collaborative tools (Jira and Confluence)· Real-world experience of Agile practices and execution (Scrum, Kanban ...

Helm; support CI/CD pipelines, container registries and environment configuration. Create unit, integration, API and end-to-end tests using tools such as Jest, Playwright and Postman; make testing part of delivery rather than a final step. Use AI-assisted development tools, including the Claude extension, to accelerate development ...

Helm; support CI/CD pipelines, container registries and environment configuration. Create unit, integration, API and end-to-end tests using tools such as Jest, Playwright and Postman; make testing part of delivery rather than a final step. Use AI-assisted development tools, including the Claude extension, to accelerate development ...

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 ...

e.g. OpenTelemetry, Prometheus) Comprehensive testing across unit, integration and functional layers, including Go's built‐in testing tooling and frontend testing frameworks such as Jest or React Testing Library Go modules and dependency management Go performance fundamentals, including profiling with pprof, memory management and garbage collection behaviou Technical Excellence & Craft ...

e.g. OpenTelemetry, Prometheus) Comprehensive testing across unit, integration and functional layers, including Go's built‐in testing tooling and frontend testing frameworks such as Jest or React Testing Library Go modules and dependency management Go performance fundamentals, including profiling with pprof, memory management and garbage collection behaviou Technical Excellence & Craft ...

e.g. OpenTelemetry, Prometheus) Comprehensive testing across unit, integration and functional layers, including Go's built‐in testing tooling and frontend testing frameworks such as Jest or React Testing Library Go modules and dependency management Go performance fundamentals, including profiling with pprof, memory management and garbage collection behaviou Technical Excellence & Craft ...

e.g. OpenTelemetry, Prometheus) Comprehensive testing across unit, integration and functional layers, including Go's built‐in testing tooling and frontend testing frameworks such as Jest or React Testing Library Go modules and dependency management Go performance fundamentals, including profiling with pprof, memory management and garbage collection behaviou Technical Excellence & Craft ...

other languages, such as PHP or Java, would also be beneficial. 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 ...

Contract: 12 months Location: Hybrid, with a preference for Newcastle; other locations include London, Leeds, Manchester, Blackpool and Sheffield. The Role We are looking for Senior Software Developers to contribute to the design, development and ...

experience with React, TypeScript, HTML, CSS and web technologies Commitment to maintaining high quality software through the use of automated testing tools such as Jest and Cypress/Playwright Experience with backend typescript, e.g. Node JS, Nest JS and express. Experience with Azure DevOps is a plus. Familiarity with ...

Orchestration (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 Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes We appreciate ...

Orchestration (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 Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes We appreciate ...

problem-solving skills. Proactive communicator with owned assignments. Ability to manage time effectively and meet realistic deadlines. Experience with testing frameworks such as Jest or RTL. Understanding of build tools such as Webpack, Vite, Parcel. Understanding of Pre-processors such as SASS, CSS Modules, JS Compilation. Understanding of CI/ ...

Orchestration (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 Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes Benefits: £: Competitive ...

Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes Please ...

Orchestration (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 Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes We appreciate ...

Code (Terraform, Ansible) Data & Search Technologies Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch Testing & Quality Unit testing and automation Testing frameworks (e.g. Mocha, Jest, Cypress) Delivery & Collaboration Experience working in an Agile delivery team Use of code repositories (e.g. GitLab); familiarity with branching strategies, pull requests and merge processes Role ...

React web application front-ends. Within your squad you'll bring these solutions to life, writing high-quality code utilising test-driven development (Jest/Playwright), continuous integration (Github Actions) and code review (GitHub). Partner with other engineering teams, product managers, and designers to align on requirements and deliver ...