NestJS — разработка TypeScript backend-приложений

web-development

Nestjs expert is a Claude Code skill that designs and implements enterprise-grade TypeScript backend applications on NestJS — scaffolding modules, controllers, services, DTOs, guards, and interceptors with proper dependency injection wiring. Reach for it when you need to stand up a REST API or GraphQL service in NestJS quickly, when you want JWT/Passport authentication without hand-rolling guards yourself, when you need to wire TypeORM or Prisma into a new or existing module, or when unit and E2E tests for services and controllers are overdue. The skill covers the full typical stack: class-validator and class-transformer for DTO validation, @nestjs/swagger for auto-generated API documentation, and Jest for testing — producing ready-to-use .module.ts, .controller.ts, and .service.ts files. Built-in reference guides cover controllers and routing, services and providers, authentication, testing patterns, and migrating from Express. The direction is server-side TypeScript on NestJS, not frontend or infrastructure (use devops-engineer for CI/CD and deployment tasks). Fits monolithic and modular backend services; does not cover frontend, mobile, or infrastructure work outside Node.js.