Dev HandbookTech Knowledge Base

Frontend, Backend, DevOps & Everything In Between

⚛️ Frontend Development

React, Vue, JavaScript/TypeScript, HTML/CSS, Performance optimization, State management, Component patterns, Modern frameworks & best practices.

Node.js, Express, NestJS, Python, FastAPI, REST APIs, GraphQL, Authentication, Database design, Microservices architecture.

PostgreSQL, MongoDB, Redis, Prisma, TypeORM, Query optimization, Indexing strategies, Database migrations, Connection pooling.

Docker, Docker Compose, Kubernetes basics, CI/CD pipelines, GitHub Actions, GitLab CI, Nginx, PM2, Server deployment.

Git workflows, VSCode extensions & shortcuts, Terminal tips, Debugging techniques, Code review practices, Documentation tools.

Tailwind CSS, Component libraries (shadcn/ui, MUI), Responsive design, Accessibility (a11y), Animation libraries, Design tokens.

Unit testing, Integration testing, E2E testing (Playwright, Cypress), Testing Library, Jest, Vitest, TDD practices, Code coverage.

Web Vitals, Lighthouse optimization, Bundle size reduction, Lazy loading, Code splitting, Caching strategies, CDN usage.

Clean code principles, Design patterns, SOLID principles, Folder structure, Naming conventions, Security best practices, Anti-patterns to avoid.

Comprehensive Data Structures & Algorithms course from Zero to Expert. JavaScript-based, 4 phases, 200+ problems. Ready for Big Tech interviews.

100 Days Course

From Zero to Expert