101 to 124 of 124 Jest Jobs in the UK

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 ...

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 ...

Node.js backend services powering payments, accounts, and reporting for SMEs. You will deploy on Azure, design PostgreSQL schemas and ensure robust testing with Jest and Playwright. The role offers a fully remote position based in the UK, with a competitive salary and equity package. You will work in two-week ...

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 of user ...

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 of user ...

enjoy solving problems with your peers. Testing culture: You believe that code isn't complete until it's verified. Experience with testing frameworks (like Jest or Cypress ) is highly valued to ensure reliability. Performance focus: You understand that a slow app is a bad UX. You keep performance in mind ...

stage - Technical Interview 4th stage - Executive Leadership Interview Additional information Doxy.me tech stack Frontend: React, TypeScript, Playwright, WebRTC, Next.js, Nx.dev Backend: Nodejs, TypeScript, Jest, NestJS, Nx.dev Cloud: AWS 3rd party: Vonage, Pubnub, Segment, Twilio, Stripe Our product: Doxy.me: The simple, free, and secure telemedicine solution currently used by over ...

/CD. Experience with some of the following would be valuable: React Query, Zustand, Redux, Tailwind, Fluent UI, Material UI, Vite, Next.js, Storybook, Playwright, Jest, Azure Static Web Apps, Azure App Service or Microsoft Graph. You do not need to be a deep AI engineer, but you should be interested ...

/CD. Experience with some of the following would be valuable: React Query, Zustand, Redux, Tailwind, Fluent UI, Material UI, Vite, Next.js, Storybook, Playwright, Jest, Azure Static Web Apps, Azure App Service or Microsoft Graph. You do not need to be a deep AI engineer, but you should be interested ...

Able to influence people at senior levels and from the highly technical to non-technical Our Tech Stack Next.js/React CSS Modules Playwright & Jest GraphQL GitHub + GitHub Actions NX Azure What’s In It For You Working at M&S means being part of something bigger - helping ...

React, Angular or similar technologies . Build and deploy solutions within AWS environments. Champion clean, secure and maintainable engineering practices. Drive automated testing using Jest, Playwright or similar tools . Support CI/CD and automated deployment using GitHub Actions . Conduct code reviews, mentor engineers and influence technical decisions. …/Lead Developer experience AWS RESTful APIs and microservices Full-stack development using React, Angular or similar Automated testing and test-driven engineering practices Jest and/or Playwright CI/CD and GitHub Actions SOLID principles and clean code Git and Agile development Mentoring and supporting other engineers Experience ...

Engineering to deliver scalable, secure, and intuitive features for millions of pet owners. Strong skills in TypeScript, Redux, React Navigation and testing with Jest are highly valued. #J-18808-Ljbffr ...

scalable user experiences. The role requires hands-on expertise in modern frontend stacks, real-time communication, and robust testing using React Testing Library and Jest; familiarity with micro-frontends, #J-18808-Ljbffr ...

strong eye for detail and product quality Experience creating reusable component libraries and scalable frontend architecture Strong understanding of modern testing practices (Playwright, Vitest, Jest, React Testing Library etc.) Comfortable collaborating closely with engineers, product teams and non-technical stakeholders Ability to work autonomously and deliver at pace Contract Details ...

Define and evolve a pragmatic test pyramid for React Native - deciding where E2E is worth the weight and where logic belongs in faster layers (Jest, React Testing Library, component tests). Make deliberate calls about coverage, reliability, and speed trade-offs across the app. Set the bar for what "ready ...

e.g. Selenium, Cypress, Playwright) Integrating RESTful APIs in frontend Applications Building and maintaining CICD pipelines Applied familiarity with industry tools, NodeJS, Git/GitHub, Jest/React testing Library. Key Requirements Essential Skills: JavaScript/TypeScript, React JS, Node JS Jest Unit Testing & automated Functional Testing (e.g. Playwright, Cypress) Experience ...

stack: App Service, Storage Queues, Event Grid, SignalR;Cover your work with tests on both sides: xUnit and Moq on the backend, Vitest or Jest and Playwright on the frontend;Take part in code review, architectural decisions, and CI/CD improvements.Requirements5+ years of commercial development experience;Strong C# … experience with Azure (App Service, Storage Queues, Event Grid, SignalR);Git, Docker, and CI/CD (GitLab);Testing: xUnit and Moq, Vitest or Jest, Playwright;Good spoken and written English.Nice to haveNode.js and NestJS;MongoDB, Redis;Nx monorepo, Redux Toolkit;Terraform;Datadog or similar observability tooling. #J-18808-Ljbffr ...

teams Making pragmatic technical decisions that balance delivery, quality, and maintainability Technology Stack React Next.js (App Router) TypeScript Tailwind CSS Component Design Systems Playwright Jest Vitest Git-based CI/CD pipelines Monitoring and observability tools Cloud-based infrastructure environments Essential Skills & Experience Strong commercial experience with React Proven expertise … Advanced TypeScript development experience Senior-level frontend engineering experience Experience working within large-scale frontend applications Strong testing background using tools such as Playwright , Jest , and Vitest Ability to work independently while collaborating effectively within agile squads Experience troubleshooting and resolving production issues Excellent communication and stakeholder management skills Desirable ...

Define and evolve a pragmatic test pyramid for React Native - deciding where E2E is worth the weight and where logic belongs in faster layers (Jest, React Testing Library, component tests).Make deliberate calls about coverage, reliability, and speed trade-offs across the app. Set the bar for what "ready … contract testing experience, with a point of view on test data and environment strategy. Our tech stackMobile: TypeScript, React Native, Expo, EAS, GraphQL, Relay, Jest, React Testing Library, Maestro. Backend: Kotlin, PHP 8 (Symfony), AWS, Postgres, RabbitMQ, Docker, Kubernetes. Tooling and observability: GitHub, GitHub Actions, Jira, Confluence, Datadog, Sentry, Grafana. ...

delivery policies across all delivery cells. E2E and Performance Testing: Oversee API, component, load, and performance test coverage using automated tooling (e.g., Playwright, Cypress, Jest, JMeter) integrated into CI/CD pipelines. Quality Metrics and KPIs: Track defect leakage, mean time to detect/resolve defects, automation execution rates … optimize testing pipelines. Automation and Engineering Tech Stack: Advanced proficiency in JavaScript/TypeScript (Node/NPM), API/microservices testing, automated frameworks (Jest, Cypress, Playwright), and CI/CD tools. Frameworks and Observability: Strong test data management skills and experience with performance tools (JMeter) and monitoring platforms (Grafana, Kibana ...

team can build on. Build and improve high-performance, low-latency interfaces that hold up under real, live market data. Write well-tested code (Jest, Cypress, or Playwright) and contribute to how the team reviews and documents its work. Split your time between shipping new features and keeping things healthy … professional frontend development experience, with excellent TypeScript, React, and Next.js. Experience with MUI or a similar component library. Solid testing practice with frameworks like Jest and Cypress or Playwright. Proficient with Git, Docker, and CI/CD workflows, and familiar with monorepo structures and tools (Turborepo, Yarn Workspaces, or similar ...

Salaris : £65.000 (afhankelijk van ervaring) Locatie : Hybride – 1 dag per week op kantoor in Eastleigh, 4 dagen op afstand. Sponsoring is op dit moment niet beschikbaar voor deze functie. Sluit je aan bij een gevestigde ...

Putting the ‘i’ into British Innovation. Putting the ‘i’ into Inventing the Future. Putting the ‘i’ into Inspiring Change. myenergi is a growing global clean‐tech manufacturer dedicated to removing the barriers to a greener ...

HCLTech is seeking a UI Developer with expert React, TypeScript and low-latency focus to build time-critical, high-availability web applications. You will contribute across the full UI development lifecycle, from design through testing ...