Languages: JavaScript • TypeScript • C#
Frontend: HTML • CSS • React.js • Next.js • Redux • Tailwind CSS
Backend: Node.js • Express.js • NestJS • Next.js • RESTful API
Database: PostgreSQL • MongoDB
ORM/ODM: Prisma • Mongoose
Test: Jest • Supertest
Architecture & Design: Layered Architecture • SOLID Principles • GoF Design Patterns
DevOps: Git • GitHub Actions • CI/CD • Docker • Vercel • Render • Railway
Development Tools: Postman • DBeaver • MongoDB Compass

