Agency Freelance portfolio. Recovered locked production server, rebuilt and refactored applications achieving 62% performance improvement, re-engineered Stripe payment integration, and migrated to containerized infrastructure serving 3,000+ users.

Backend trading infrastructure for managing algorithmic trading signals and broker order routing. Microservice-based system with a client-facing portal and control center deployed on Oracle Cloud.

A scalable, multi-vendor e-commerce platform powering offline-first educational ecosystems. Node.js backend integrating global logistics and idempotent payments.

A personal portfolio website to showcase my experience and skills.