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Found 438 Skills
Node.js backend expert including Express, NestJS, and async patterns
MCP server for comprehensive Node.js debugging via Chrome DevTools Protocol with breakpoints, stepping, variable inspection, and source maps
Node.js server-side JavaScript runtime with npm ecosystem. Use for backend development.
Hunt Node.js specific vulnerabilities — Prototype Pollution → RCE chains (lodash/merge/assign), Express trust proxy misconfiguration, child_process/eval injection, template engine SSTI (EJS/Pug/Handlebars), path traversal in file servers, require() injection, environment variable exfil via /proc/self/environ. Use when target runs Node.js/Express/Fastify/NestJS/Koa.
Master asynchronous programming in Node.js with Promises, async/await, streams, and event-driven patterns for efficient non-blocking operations
Implement real-time bidirectional communication with Socket.io and ws library for chat, notifications, and live dashboards
Test Node.js applications with Jest including unit tests, integration tests, mocking, code coverage, and CI/CD integration
Build enterprise-grade Node.js applications with NestJS framework, TypeScript, dependency injection, and modular architecture
Containerize and deploy Node.js applications with Docker including multi-stage builds, Docker Compose, and production optimization
Master Node.js streams for memory-efficient processing of large datasets, real-time data handling, and building data pipelines
Implement secure JWT (JSON Web Token) authentication in Node.js applications with access/refresh tokens and role-based access control
Work with MongoDB in Node.js using Mongoose ODM for schema design, CRUD operations, relationships, and advanced queries