1 to 25 of 47 Vitest Jobs in the UK

loading states Performance – bundle optimisation, code splitting, rendering strategies Accessibility & UX – semantic HTML, responsive design, usability best practice Testing – unit and component testing (Jest, Vitest, Testing Library, Cypress/Playwright) Version control – Git workflows, PR reviews, and collaboration Back-end Experience with some of the following, or a strong willingness ...

from designing schemas, supergraph, subgraphs resolvers to versioning and evolving APIs. Proven skills in TypeScript and Node.js Back End development. Familiarity with testing frameworks (Vitest, Playwright) for both API and end-to-end testing. Experience with Docker, Helm, YAML, Kubernetes, and cloud-native deployments. Telemetry tools; Prometheus, Grafana, OpenTelemetry, DataDog ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes , Helm , Docker , and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...

supergraph/subgraph architecture, resolvers, schema governance, and API evolution). Advanced TypeScript and Node.js backend development. Testing experience with modern frameworks such as Vitest and Playwright (API + end-to-end). Hands-on delivery with Kubernetes, Helm, Docker, and YAML (cloud-native deployments). Observability/telemetry: Prometheus ...