18 of 18 Permanent Jest Jobs in the City of London

and containerization using Docker and Kubernetes . Cloud Platforms: Experience with cloud environments, preferably Google Cloud Platform (GCP) . Automation & Testing: Hands-on experience with automated testing frameworks like Jest , Cypress , and Pact . Strong understanding of software architecture principles including microservices, service-oriented architecture (SOA), and design patterns. Proven ability to define technical solutions aligned with business goals and More ❯

and containerization using Docker and Kubernetes . Cloud Platforms: Experience with cloud environments, preferably Google Cloud Platform (GCP) . Automation & Testing: Hands-on experience with automated testing frameworks like Jest , Cypress , and Pact . Strong understanding of software architecture principles including microservices, service-oriented architecture (SOA), and design patterns. Proven ability to define technical solutions aligned with business goals and More ❯

shift-left approach by embedding quality early in the SDLC, writing unit, integration, and end-to-end tests alongside feature development. • Implement and maintain automated test suites using Playwright, Jest, and React Testing Library to ensure reliability and regression coverage. • Collaborate with cross-functional teams (UX/UI designers, product owners, QA, DevOps) to deliver well-scoped, high-quality features. More ❯

shift-left approach by embedding quality early in the SDLC, writing unit, integration, and end-to-end tests alongside feature development. • Implement and maintain automated test suites using Playwright, Jest, and React Testing Library to ensure reliability and regression coverage. • Collaborate with cross-functional teams (UX/UI designers, product owners, QA, DevOps) to deliver well-scoped, high-quality features. More ❯

and Git 1+ year with Tailwind CSS, Next.js, Express.js, MongoDB, and AWS/GCP High level of English language proficiency Bonus if you’ve worked with: Testing (Vitest/Jest) Docker CI/CD tools (e.g. GitHub Actions) Component libraries (e.g. Shadcn, MUI) Microservices Cloudflare or other CDNs Firebase Google Maps API Startup environments We Value The right candidate will More ❯

and Git 1+ year with Tailwind CSS, Next.js, Express.js, MongoDB, and AWS/GCP High level of English language proficiency Bonus if you’ve worked with: Testing (Vitest/Jest) Docker CI/CD tools (e.g. GitHub Actions) Component libraries (e.g. Shadcn, MUI) Microservices Cloudflare or other CDNs Firebase Google Maps API Startup environments We Value The right candidate will More ❯

JavaScript/TypeScript , Node.js , React , GraphQL , and AWS (EKS, Lambda, RDS) Strong background in building and maintaining robust APIs (REST and GraphQL) Proficiency with automated testing frameworks such as Jest and Pact Practical experience working with CI/CD pipelines (GitHub Actions or similar) Familiarity with observability and monitoring tools A proactive, solution-focused mindset with the ability to work More ❯

JavaScript/TypeScript , Node.js , React , GraphQL , and AWS (EKS, Lambda, RDS) Strong background in building and maintaining robust APIs (REST and GraphQL) Proficiency with automated testing frameworks such as Jest and Pact Practical experience working with CI/CD pipelines (GitHub Actions or similar) Familiarity with observability and monitoring tools A proactive, solution-focused mindset with the ability to work More ❯

data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep More ❯

data visualization Working in a culture where engineering excellence and code quality are non-negotiable 🛠️ Tech Stack: Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: Experience with WebSockets, performance profiling, or custom charting libraries (e.g., D3.js, Highcharts) ✅ What They’re Looking For: Strong experience with React and modern JavaScript/TypeScript Deep More ❯

ecosystem differences. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯

ecosystem differences. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯

ecosystem differences. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯

ecosystem differences. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and usage of push notifications. Knowledge of CI/CD pipelines, code signing More ❯

to shipping key product improvements with a focus on reliability and user impact. Technical Environment: Primary stack includes TypeScript with React (front-end) and NestJS (back-end) Testing tools: Jest, ViteTest, and Playwright Architectures include SPAs, REST, and GraphQL APIs Hosted on AWS using ECS, RDS, S3 and related services More ❯

to shipping key product improvements with a focus on reliability and user impact. Technical Environment: Primary stack includes TypeScript with React (front-end) and NestJS (back-end) Testing tools: Jest, ViteTest, and Playwright Architectures include SPAs, REST, and GraphQL APIs Hosted on AWS using ECS, RDS, S3 and related services More ❯

and Next.js , including server-side rendering and modern routing approaches. Confident working with cloud-based infrastructure and designing scalable systems. Comfortable writing tests and ensuring reliability through tools like Jest or Cypress . Able to balance speed with maintainability, and proactive about improving processes. Bonus Skills Familiarity with AWS or other serverless/cloud-native platforms. Experience with GraphQL. Understanding More ❯

and Next.js , including server-side rendering and modern routing approaches. Confident working with cloud-based infrastructure and designing scalable systems. Comfortable writing tests and ensuring reliability through tools like Jest or Cypress . Able to balance speed with maintainability, and proactive about improving processes. Bonus Skills Familiarity with AWS or other serverless/cloud-native platforms. Experience with GraphQL. Understanding More ❯