1 to 25 of 36 Vitest Jobs in the UK

Styled Components Material UI (MUI) Radix UI Framer Motion Custom Design Systems APIs & Data GraphQL REST APIs Contentful CMS React Hook Form Zod Testing Vitest Jest Testing Library Playwright Storybook MSW Axe/Pa11y DevOps & Infrastructure AWS Terraform GitLab CI Vercel OpenTelemetry Sentry New Relic Please note: Should your application ...

FastAPI, Polars, LangChain Frontend: React (TanStack Query/React Router/react-hook-form + Zod), TypeScript, nx.dev, Tailwind CSS/shadcn/ui, Vitest/Playwright/MSW, Vite, Recharts Platform: Azure, Azure DevOps (CI/CD), Kubernetes, Docker, cloud storage, messaging and events, Git, SonarQube ...

ownership and work effectively in a fast-moving environment Nice to have Data visualisation or dashboard experience Tailwind CSS or component libraries Playwright, Cypress, Vitest or Jest Cloud platforms and CI/CD Python/backend experience AI/ML or data-driven products Experience in a start ...

excellence using modern React frameworks (Vite, Tailwind CSS, BaseUI), managing shared component libraries in Storybook, and championing robust automated testing with Playwright and Vitest Leverage deep cloud-native experience across AWS, Docker, Helm, Terraform, and Harness.IO, while managing databases like DocumentDB and PostgreSQL and migrating messaging workloads from SNS/ ...

automated testing Desirable Experience with C# Experience with the Tailwind framework Knowledge of AWS services (e.g., S3, CloudFront, Lambda, API Gateway) Experience of the Vitest testing framework Enterprise or large-scale application experience Personal Attributes Strong critical thinking and proactive problem solving skills Clear and confident communicator, both written ...

observability for the frontend (RUM, logging, error tracking). Experience with frontend testing strategies, including unit, integration, and end-to-end testing (e.g., Jest, Vitest, React Testing Library, Playwright, Cypress). Experience collaborating closely with UX/UI designers to turn wireframes and design systems into accessible, performant experiences ...

Supabase is a plus) 05 Solid understanding of RESTful APIs and web services 06 Experience writing unit, integration and e2e tests with Jest/Vitest and Playwright 07 Comfortable using Git and working within agile delivery 08 Strong problem-solving skills and attention to detail 09 Clear communication skills ...

state, i18next for multi-language support (FR/EN/ES), Sentry for monitoring, Mixpanel for analytics, GrowthBook for feature flagging. Testing with Vitest/Playwright, linting/formatting with Biome. Mobile : a native iOS app (Swift) dedicated to multi-screen casting in our rooms, with GitHub Actions CI/ ...

builder : Cursor, v0 , 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 ...

equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit andcomponenttests — Jest andReactTesting Library,Vitest, or equivalent. Nice tohave: containerisationfundamentals using Docker or an equivalent tool, and general scripting ability in Bash or PowerShell. Highly desirable: experience with the Azure ...

equivalent. Nice tohave: comfort with runtime type validation at trust boundaries — Zod, Yup, or similar. Nice tohave: experience writing unit andcomponenttests — Jest andReactTesting Library,Vitest, or equivalent. Nice tohave: containerisationfundamentals using Docker or an equivalent tool, and general scripting ability in Bash or PowerShell. Highly desirable: experience with the Azure ...

knowledge of state management (RxJS, or React Query + custom streams) and data flow patterns for streaming + request/response. Testing: Jest/Vitest, React Testing Library, Playwright; strong mock/contract testing. Security: XSS mitigation, CSP, auth flows (OAuth), secure storage, anti phishing UX. CI/ ...

reliability of our entire system Our stack Infrastructure: AWS, Terraform Frontend: Vercel, NextJS, React/Redux, Testcafe (or similar, Cypress, Playwright) Backend: TypeScript, Vitest, TypeORM, Python, FastAPI, SQLAlchemy, pytest, Docker Compose Experience and Skills Experience as a full stack engineer An end-to-end systems-mindset; we are building ...

tools. Experience with CI/CD systems (Vercel, GitHub Actions). Experience building or maintaining a design system. Experience with testing libraries and tools (Vitest, React Testing Library, Playwright, Jest). Experience using Tailwind or other utility-based CSS libraries. The stack Next.js React TypeScript Tailwind Typesense ClickHouse Vercel Shadcn ...

APIs and back-end services. A working knowledge of SQL and relational data modelling. Experience writing and maintaining unit, integration, and functional tests using Vitest or similar. An AI-first mindset - genuine enthusiasm for using generative AI to supercharge development, including designing and maintaining UI. A self-starter, able ...

functionally with Product, Design, Compliance, and other engineering teams to deliver impactful solutions Frontend: React, TypeScript, Material-UI Module Federation (Micro-frontend architecture) Vite, Vitest Python 3.13, FastAPI LangGraph (AI agent orchestration) LlamaIndex (RAG/vector search) AWS Bedrock Infrastructure: AWS (ECS Fargate, Lambda, API Gateway, S3) Terraform, GitHub Actions ...

data layer, while also extending the React front end. You will work with Azure services, implement tests with xUnit, Moq on backend and Vitest or Jest on frontend, participate in code reviews, architecture decisions, and CI/CD improvements. 5+ years of experience required, strong C#, .NET, React and TypeScript. ...

Livewire Knowledge of Next.js or Nuxt.js Experience with WebSockets and real-time applications Understanding of web accessibility (WCAG) standards Experience with testing frameworks (Jest, Vitest, Cypress) Familiarity with UI/UX design principles Experience building interactive interfaces and modern UIs Competitive salary based on experience Latest development equipment and tools ...

similar (function/tool calling, agent frameworks, or integrating AI features into products)Deeper Laravel experience (Eloquent, queues, testing)Experience with front-end testing (Vitest, Testing Library, Cypress, or Playwright)Familiarity with build tooling (Vite, Webpack) and CI/CD pipelinesExposure to Tailwind CSS, Inertia.js, Nuxt, or similar tools ...

requirements You must have experience and practical knowledge in: TypeScript Next.js and React Unit testing with libraries like Jest, React Testing Library, or vitest e2e testing tools like Cypress or Playwright Strong problem - solving skills and attention to detail A passion for engineering craft - you practise writing maintainable code, reviewing ...

React Three Fiber, WebGL, Deck.gl ) Real-time data flows: Comfortable working with real-time data and async patterns (Websockets, workers) Writing testable, reusable code: Vitest/Jest/Playwright, Storybook, design systems Data visualisation: Presenting complex data intuitively; geospatial experience is a plus. UX/UI (desirable): A strong sense ...

Actions, TeamCity). Testing Practices: Proficient in writing and maintaining unit and integration tests, demonstrating an understanding of test-driven development (TDD) principles (e.g., Vitest, Playwright, Jest). Distributed Systems Knowledge: Familiarity of distributed systems, including building scalable and resilient services (e.g., Redis, Kafka, AWS infrastructure). Problem-Solving & Collaboration ...

including owning a test strategy rather than just execution. Hands on Test Automation in Typescript and/or Python, with tools such as Playwright, Vitest or Pytest Experience testing products that combine hardware and software Clear Technical writing: Test Plans, procedures, and reports that can withstand external scrutiny Desirable: Docker ...

products, ensuring quality is embedded from the earliest stages of delivery. You'll design, build, and maintain scalable automation frameworks using Playwright and Vitest, enabling efficient, reliable, and repeatable testing across our applications. Remaining hands-on, you'll develop automated test suites using BDD and Gherkin-based approaches, creating robust ...

TypeScript expertise: significant commercial experience building complex production web applications Experience with modern testing frameworks, including integration and end-to-end testing (e.g. Vitest, Playwright) Comfortable owning outcomes, making decisions, and pushing work over the finish line in a fast-moving environment Ability to collaborate effectively with backend engineers, domain ...