Vitest Jobs in London

15 of 15 Vitest Jobs in London

Senior Developer (Typescript)

London, United Kingdom
Hybrid / WFH Options
Sky
excellence. What you'll bring Extensive experience with TypeScript and Node.js in production environments. Strong knowledge of GraphQL (API design, schema evolution, integration). Experience with automated testing frameworks (Vitest, Playwright, Jest). Familiarity with DevOps tooling: Docker, Helm, Kubernetes, CI/CD pipelines. Experience with cloud-native architectures and infrastructure-as-code. Ability to drive improvements across the codebase More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

GraphQL Engineer

West London, London, United Kingdom
Hybrid / WFH Options
Staffworx Limited
Strong production experience with GraphQL - from designing graph, supergraphs, 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, APM tools Understanding of infrastructure More ❯
Employment Type: Contract
Posted:

GraphQL Specialist/GQL Engineer - TypeScript | Cloud-Native | Contract (Outside IR35)

London, United Kingdom
Hybrid / WFH Options
Staffworx Limited
Strong production experience with GraphQL - from designing graph, supergraphs, 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, APM tools Understanding of infrastructure More ❯
Employment Type: Contract
Rate: GBP Annual
Posted:

GraphQL Engineer

London, United Kingdom
Hybrid / WFH Options
Staffworx Limited
Strong production experience with GraphQL - from designing graph, supergraphs, 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, APM tools Understanding of infrastructure More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Engineer, GraphQL Specialist

City of London, London, United Kingdom
Staffworx
Strong production experience with GraphQL - from designing graph, supergraphs, 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, APM tools Understanding of infrastructure More ❯
Posted:

Full Stack Engineer, GraphQL Specialist

London Area, United Kingdom
Staffworx
Strong production experience with GraphQL - from designing graph, supergraphs, 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, APM tools Understanding of infrastructure More ❯
Posted:

Senior Software Engineer, Frontend

London Area, United Kingdom
Hybrid / WFH Options
Travelex
strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience More ❯
Posted:

Senior Software Engineer, Frontend

City of London, London, United Kingdom
Hybrid / WFH Options
Travelex
strong fluency with TypeScript, Next.js and React Experience with design systems, component libraries and Storybook Familiarity with state management libraries Experience with the testing pyramid and tools such as Vitest, Jest, Playwright Strong understanding of non-functional requirements (e.g. Accessibility, Security & Performance) Understanding of CI/CD practices and deployment pipelines Proficient with Git version control Nice to have: Experience More ❯
Posted:

Full Stack Engineer

London Area, United Kingdom
Clarity (formerly Anecdote)
details and outcomes. AI-native builder : Cursor, v0 , Claude Code (and friends) are daily drivers for rapid prototyping and refactors. React + TypeScript mastery: component design, hooks, performance, testing (Vitest/Jest, Playwright). FastAPI expertise: async patterns, Pydantic schemas, pagination, auth (OAuth2/OIDC), rate-limits, background jobs. Elasticsearch fluency: mappings/analyzers (ngrams, synonyms), aggregations, filters, sorting, performance More ❯
Posted:

Full Stack Engineer

City of London, London, United Kingdom
Clarity (formerly Anecdote)
details and outcomes. AI-native builder : Cursor, v0 , Claude Code (and friends) are daily drivers for rapid prototyping and refactors. React + TypeScript mastery: component design, hooks, performance, testing (Vitest/Jest, Playwright). FastAPI expertise: async patterns, Pydantic schemas, pagination, auth (OAuth2/OIDC), rate-limits, background jobs. Elasticsearch fluency: mappings/analyzers (ngrams, synonyms), aggregations, filters, sorting, performance More ❯
Posted:

Digital Solution Architect

London, United Kingdom
Two Circles Ltd
best practices in performance, security, and maintainability. Contribute to the creation and use of reusable components, solution templates, and documentation standards. Libraries and Frameworks: React, Next.js, Node.js, .NET Testing: Vitest, Playwright, Pact, K6 Infrastructure and DevOps: GitHub Actions, Azure, Kubernetes, Docker, Terraform While familiarity with our full technology stack is desirable, it is by no means required. Required Skills & Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior API Technical Consultant (GraphQL Specialist)

London, United Kingdom
Staffworx Limited
Node.js. Lead the design and evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. Champion best practice in code quality, automated testing (Vitest, Playwright) and observability to deliver resilient, maintainable, and production-ready business logic. Drive DevOps excellence by collaborating on CI/CD pipelines (Jenkins, Concourse), containerisation (Docker) and Kubernetes deployments. Mentor … Extensive production experience architecting and delivering complex applications with TypeScript and Node.js . Expert level GraphQL , including advanced API design, schema evolution, performance optimisation. Strong automated testing frameworks like Vitest and Playwright . Proficiency with modern DevOps tooling and cloud-native architecture, including Docker , Helm , Kubernetes . Proven ability to lead technical discussions, influence architectural decisions, drive improvements across a More ❯
Employment Type: Contract
Rate: market rates, outside IR35, 2 days on site
Posted:

Senior Frontend Engineer – Next.js / React

City of London, London, United Kingdom
AdManage.ai
re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok Ads API What You’ll Do Architect and scale the frontend More ❯
Posted:

Senior Frontend Engineer – Next.js / React

London Area, United Kingdom
AdManage.ai
re here to build a complex UI that’s robust and well-tested. 🔧 Tech Stack Frontend: Next.js 14, React 18, TailwindCSS, Radix UI, Framer Motion State Management: Zustand Testing: Vitest Backend (light exposure): Node.js, Prisma, MySQL Infra: R2 Cloudfalre, AWS S3, Vercel Auth: NextAuth.js APIs: Facebook Marketing API, TikTok Ads API What You’ll Do Architect and scale the frontend More ❯
Posted:

UI Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Lorien
Design and develop new software features and enhancements to existing applications. Create and maintain detailed UI design specifications. Develop unit and end-to-end tests using frameworks such as Vitest and Playwright. Support User Acceptance Testing (UAT) and ensure technical documentation is up to date. Contribute to continuous improvement initiatives to enhance quality and delivery timelines. Assist in the creation … of working independently or within a team. Solid experience with Agile methodologies (Scrum, Kanban). Strong knowledge of: End-to-end testing with Cypress.js or Playwright Unit testing with Vitest CI/CD tools such as GitLab Version control using Git Desirable Skills: Experience with microservices and distributed systems. Familiarity with cloud platforms (e.g., AWS, PCF). Background in financial … services. Exposure to Node.js or Java. Tech Stack & Tools: Frontend: React, HTML, CSS (SCSS), TypeScript, Vite Design: Figma Testing: Vitest, Playwright · CI/CD: GitLab · Cloud & Infrastructure: AWS, Pivotal Cloud Foundry (PCF) · Backend & Databases: Java 17, Oracle, MongoDB · Monitoring: Grafana, OpenTelemetry IND_PC3 Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:
Vitest
London
25th Percentile
£91,250
Median
£92,500
75th Percentile
£93,750