16 of 16 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 ...

/REST APIs Knowledge of the web platform, including HTML, CSS and Browser APIs Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Understanding of CI/CD practices and deployment pipelines Proficient in using version control systems (Git) Nice to have: Experience with design systems ...

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 ...

teams Front End Skills React (including good knowledge of hooks) SWR for working with external REST APIs Next.js Styled Components HTML, Modern JavaScript & CSS Jest Back End Skills C# ASP.NET Core (v8+) Entity Framework Core (v8+) xUnit SQL Azure Data Factory (nice to have) GitHub Actions (nice to have) Terraform ...

Gateway, SQS/SNS, Step Functions, S3, IAM) to deliver secure, event-driven systems. Embed testing-first practices (TDD/BDD, contract tests, Jest/RTL, Playwright/Cypress, xUnit/NUnit) to raise code quality. Implement modern CI/CD (GitHub Actions) and Infrastructure as Code (Terraform, CloudFormation ...

such as React or Vue.js Proven experience building institutional trading tools within financial markets FX trading systems experience highly advantageous Experience with testing frameworks (Jest, Cypress, etc.) and CI/CD pipelines Strong focus on performance optimisation and UI responsiveness Confident working directly with front-office stakeholders Bachelor's degree ...

such as React or Vue.js Proven experience building institutional trading tools within financial markets FX trading systems experience highly advantageous Experience with testing frameworks (Jest, Cypress, etc.) and CI/CD pipelines Strong focus on performance optimisation and UI responsiveness Confident working directly with front-office stakeholders Bachelor's degree ...

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 ...

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 ...

code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They’re Looking For Deep expertise with React and modern TypeScript/JavaScript Strong ...

environments with high ownership Strong problem solving and analytical skills Strong communication and collaboration abilities Desirable Requirements Experience with frontend testing frameworks such as Jest, Cypress or Playwright Familiarity with design systems and component libraries such as Storybook, Chakra UI or MUI Experience working on B2B enterprise software or legal ...

bridging in React Native Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience with the testing pyramid and tools such as Vitest, Jest, React Native Testing Library, Maestro, Detox Nice to have: Experience with iOS (Objective-C, Swift) or Android (Java, Kotlin) native development. Experience with mobile release processes ...

with Typescript, React, Next, Azure, Pulumi and Node ● Experience building secure applications ● Good experience writing unit and integration tests with tools like Mocha and Jest ● Ability to deploy and manage our back-end and front-end ● Experience using Supabase ...

technical debt IS THIS YOU? You have an affinity for working in EdTech and for social impact You have experience with testing frameworks like Jest and building reliable systems You're excited about working in a fast-paced and dynamic non-profit environment. You're a team player with ...

code quality. IS THIS YOU? You have an affinity for working in EdTech and for social impact You have experience with testing frameworks like Jest and building reliable systems You're excited about working in a fast-paced and dynamic non-profit environment. You're a team player with ...