26 to 33 of 33 Jest Jobs in the City of London

development experience. Proven experience in environments where GenAI is utilised in the development workflow Full Tech Stack: Backend & Data: Python, PostgreSQL, BigQuery, MySQL Frontend: TypeScript, React, styled-components Testing: Jest, React Testing Library, Cypress, pytest Cloud & Infra: AWS, GCP, ECS Fargate, Docker, Terraform, GitHub Actions This is a unique opportunity for an engineer who understands what best practice looks like More ❯

development experience. Proven experience in environments where GenAI is utilised in the development workflow Full Tech Stack: Backend & Data: Python, PostgreSQL, BigQuery, MySQL Frontend: TypeScript, React, styled-components Testing: Jest, React Testing Library, Cypress, pytest Cloud & Infra: AWS, GCP, ECS Fargate, Docker, Terraform, GitHub Actions This is a unique opportunity for an engineer who understands what best practice looks like More ❯

Good communication skills and ability to work collaboratively. Desirable: Experience with BDD/TDD methodologies. Familiarity with API testing and tools such as Postman. 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. A strong focus on work-life More ❯

Good communication skills and ability to work collaboratively. Desirable: Experience with BDD/TDD methodologies. Familiarity with API testing and tools such as Postman. 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. A strong focus on work-life More ❯

components of modern web applications. 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 to development best practices and processes. More ❯

components of modern web applications. 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 to development best practices and processes. More ❯

internal SDKs, DICOMWeb services, Keycloak authentication, and reporting/persistence APIs; guide configuration and deployment best practices across environments. Uphold engineering standards - code style and quality gates, localisation requirements, Jest unit coverage, Typedoc documentation, and CI-ready builds via Webpack/Docker. Provide technical leadership: mentor engineers through reviews, pairing, and architectural collaboration, while investing in practical logging, monitoring, and … overlays, viewport coordination). Deep knowledge of DICOM/DICOMWeb workflows, imaging metadata, multi-series coordination, and medical data privacy considerations. Tooling fluency: Webpack 5, npm scripts, Dockerised deployments, Jest testing, ESLint/Prettier automation, and scalable state management patterns. Secure OAuth/OpenID (Keycloak) implementations, robust API integration, resilient error handling, and localisation pipelines. Strong grasp of numerical methods More ❯

internal SDKs, DICOMWeb services, Keycloak authentication, and reporting/persistence APIs; guide configuration and deployment best practices across environments. Uphold engineering standards - code style and quality gates, localisation requirements, Jest unit coverage, Typedoc documentation, and CI-ready builds via Webpack/Docker. Provide technical leadership: mentor engineers through reviews, pairing, and architectural collaboration, while investing in practical logging, monitoring, and … overlays, viewport coordination). Deep knowledge of DICOM/DICOMWeb workflows, imaging metadata, multi-series coordination, and medical data privacy considerations. Tooling fluency: Webpack 5, npm scripts, Dockerised deployments, Jest testing, ESLint/Prettier automation, and scalable state management patterns. Secure OAuth/OpenID (Keycloak) implementations, robust API integration, resilient error handling, and localisation pipelines. Strong grasp of numerical methods More ❯