14 of 14 Jest Jobs in the City of 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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

thoughtful stack, which includes: Python • TypeScript • React • PostgreSQL • BigQuery • MySQL • Docker • Terraform • AWS • GCP • ECS Fargate Plus a strong testing culture powered by: Jest • Cypress • pytest • React Testing Library ...

Router, Server Components and high performance API routes Experience building websites using modern frameworks, libraries, languages and tooling such as React, Next.js, TypeScript, GraphQL, Jest and Playwright Fantastic knowledge-sharing skills to effectively communicate technical concepts in a variety of formats A proven ability to build relationships with technical peers ...

work collaboratively. Desirable: Experience with BDD/TDD methodologies. Familiarity with API testing and tools such as Postman. GraphQL Knowledge of testing frameworks like Jest or Mocha. What We Offer: A collaborative and supportive work environment. Flexible working arrangements (remote or hybrid). Career development opportunities and training support. ...

techniques Advanced investment and instrument calculations ⭐ Your Toolbelt Not mandatory, but ideal: Deep TypeScript expertise Strong Node.js + React background Familiarity with PostgreSQL, Jest, Playwright DevOps experience Great communicator with high EQ — someone who thrives in collaborative environments 🌍 Why Join You’ll be building software that reshapes an industry still ...

Contribute to the overall architecture and design of the technology created/maintained by the delivery team. Develop Web Trading Applications using ReactJS, Cypress, Jest, React Testing Library, Jenkins, React Hooks Develop solutions to a high standard that is maintainable, testable and meets the requirement’s acceptance criteria. Adhere ...