1 to 25 of 37 Permanent Jest Jobs in London

Toolkit Frontend HTML5, CSS3, JavaScript (ES6+), TypeScript React.js (preferred), Angular, or Vue.js Responsive design (Bootstrap, Tailwind), state management (Redux, Context API) Front-end testing (Jest, React Testing Library, Cypress) Backend C#, ASP.NET Core/.NET 6+ RESTful and GraphQL APIs Entity Framework Core, LINQ Authentication & authorisation (OAuth2, JWT, Azure ...

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 ...

Participate in code reviews and maintain coding standards. Nice-to-Have Experience with TypeScript , Material UI , or Styled Components . Exposure to testing frameworks (Jest, Enzyme). Familiarity with CI/CD pipelines and cloud platforms (GCP). ...

Participate in code reviews and maintain coding standards. Nice-to-Have Experience with TypeScript , Material UI , or Styled Components . Exposure to testing frameworks (Jest, Enzyme). Familiarity with CI/CD pipelines and cloud platforms (GCP). ...

usability, personalization, or automation. Deep understanding of JavaScript (ES6+) , React Hooks, and state management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs . Bachelor’s degree in Computer Science, Software Engineering, or related ...

usability, personalization, or automation. Deep understanding of JavaScript (ES6+) , React Hooks, and state management patterns (Redux, Zustand, or Recoil). Proficiency with testing frameworks (Jest, React Testing Library, Cypress) and performance profiling tools. Experience integrating RESTful and GraphQL APIs . Bachelor’s degree in Computer Science, Software Engineering, or related ...

Tailwind CSS and Next.js Comfort with AWS or GCP High level of English language proficiency Clear communicator, strong problem-solver Bonus Skills Vitest/Jest, Docker, CI/CD (GitHub Actions), Shadcn/MUI, MongoDB, microservices, Cloudflare/CDNs, Firebase, Google Maps API, startup experience. Soft skills The successful candidate ...

innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, Appium CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud-native architecture : AWS, Docker, Kubernetes Observability tools Interview Process 3 Stage Interview Stage ...

adaptability matter. Your Technical Toolkit React/React Native/TypeScript JavaScript/HTML/CSS Figma/Vercel/Git Testing frameworks: Jest, Cypress, Appium CI/CD pipelines: GitHub Actions, Harness, Github Desirable Familiarity with RDBMS/NoSQL for data modeling awareness Interview Process 3 Stage Interview Stage ...

HTML/CSS RDBMS (Oracle, Sybase)/NoSQL (Document DB) AWS/Docker/Kubernetes CI/CD pipelines : GitHub Actions, Harness Testing frameworks : Jest, Cypress, Appium Observability tools : Prometheus, Grafana Interview Process 3 Stage Interview Stage 1 - Discussion with our Hiring Manager (30mins): A chance to talk with ...

assisted development — to speed up delivery and improve quality Tech You’ll Use Backend: Python, PostgreSQL, BigQuery, MySQL Frontend: TypeScript, React, styled-components Testing: Jest, React Testing Library, Cypress, pytest Cloud & Infra: AWS, GCP, ECS Fargate, Terraform, Docker CI/CD: GitHub Actions, automated pipelines No one is expected ...

assisted development — to speed up delivery and improve quality Tech You’ll Use Backend: Python, PostgreSQL, BigQuery, MySQL Frontend: TypeScript, React, styled-components Testing: Jest, React Testing Library, Cypress, pytest Cloud & Infra: AWS, GCP, ECS Fargate, Terraform, Docker CI/CD: GitHub Actions, automated pipelines No one is expected ...

relational database experience · Familiarity with AWS (RDS, S3, ECS/Fargate, etc.) · Experience with Nx monorepos and modular architectures · Testing experience with Playwright, Jest, or similar · Exposure to ERP, manufacturing, or production systems · Experience with CI/CD pipelines and containerised deployments Why Join Us? If you're excited ...

relational database experience · Familiarity with AWS (RDS, S3, ECS/Fargate, etc.) · Experience with Nx monorepos and modular architectures · Testing experience with Playwright, Jest, or similar · Exposure to ERP, manufacturing, or production systems · Experience with CI/CD pipelines and containerised deployments Why Join Us? If you're excited ...

update your LinkedIn account to reflect your employment with Zeus Labs Our tech stack Languages/Frameworks: TypeScript, Angular, React, Express, Python (FastAPI) Testing: Jest (backend unit), planned Cypress + backend acceptance tests Data: PostgreSQL (TypeORM), DynamoDB, Valkey Architecture: SNS/SQS event-driven systems Infrastructure: Amplify for frontend ...

GraphQL APIs (Apollo) . ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth , and other authentication mechanisms. ● Perform unit testing with Jest or Mocha and API testing with Postman . ● Implement caching and messaging solutions with Redis (Pub/Sub) . ● Work with Docker & Kubernetes (K8s/ ...

GraphQL APIs (Apollo) . ● Implement WebSockets for real-time communication. ● Ensure API security using JWT, OAuth , and other authentication mechanisms. ● Perform unit testing with Jest or Mocha and API testing with Postman . ● Implement caching and messaging solutions with Redis (Pub/Sub) . ● Work with Docker & Kubernetes (K8s/ ...

making Tech Stack 🧱 They’re pragmatic about tools and use what works best. Current technologies include: 🗃 Python 🗄️ PostgreSQL, BigQuery, MySQL 🎨 TypeScript, React, styled-components 🔧 Jest, React Testing Library, Cypress, pytest ☁️ AWS, GCP 🚀 ECS Fargate, Docker, Terraform, GitHub Actions How They Work 👷 ♀️ Collaborate 💬 – Cross-functional, mission-driven squads with shared ownership ...

making Tech Stack 🧱 They’re pragmatic about tools and use what works best. Current technologies include: 🗃 Python 🗄️ PostgreSQL, BigQuery, MySQL 🎨 TypeScript, React, styled-components 🔧 Jest, React Testing Library, Cypress, pytest ☁️ AWS, GCP 🚀 ECS Fargate, Docker, Terraform, GitHub Actions How They Work 👷 ♀️ Collaborate 💬 – Cross-functional, mission-driven squads with shared ownership ...

translate business requirements into technical solutions Nice to Have Experience with TypeScript Familiarity with server-side rendering Knowledge of testing frameworks such as Jest or Mocha Experience with CI/CD pipelines What’s on Offer High level of autonomy with trust-based engineering culture Supportive leadership with a focus ...

translate business requirements into technical solutions Nice to Have Experience with TypeScript Familiarity with server-side rendering Knowledge of testing frameworks such as Jest or Mocha Experience with CI/CD pipelines What’s on Offer High level of autonomy with trust-based engineering culture Supportive leadership with a focus ...

explain technical concepts to non-technical audiences. Useful Experience NextJS/Vercel (app router, caching, speed-insights, static rendering, turbo, mono-repo) Typescript Jest Storybook (and Storybook testing) Playwright Contentful (or similar headless CMSs) Algolia Datadog (or similar monitoring tools, structuring logs, setting up monitors) GitHub actions HTTP (headers, status ...

explain technical concepts to non-technical audiences. Useful Experience NextJS/Vercel (app router, caching, speed-insights, static rendering, turbo, mono-repo) Typescript Jest Storybook (and Storybook testing) Playwright Contentful (or similar headless CMSs) Algolia Datadog (or similar monitoring tools, structuring logs, setting up monitors) GitHub actions HTTP (headers, status ...

They work with a variety of technologies. Youll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node.js, Jest, Cypress Ruby (non-Rails environment) nice to have AWS: EC2, ECS, Lambda, S3, SQS Serverless.com Databases: MongoDB & PostgreSQL They are looking for someone ...

work with a variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone who is: Proactive ...