Self-taught Backend Developer with 3+ years of coding experience and 1+ year of professional production work. Built REST APIs, authentication systems, payment integrations (Stripe, PayPal, Azul 3DS2), and real-time features with WebSockets. Shipped an Uber-like app from scratch without a CS degree. Strong in OOP and SOLID principles, with 250+ LeetCode problems solved. Stack: Node.js, TypeScript, Express, PostgreSQL, Prisma, Redis, Docker, AWS S3, VPS hosting, and GitHub Actions CI/ CD. Also proficient in Java.