rexa

Architected a secure transactional backend platform for community-driven reward exchange. Focuses on high-reliability ledger systems and fine-grained authorization protocols.

stack: typescript, node.js, express, mongodb, jwt, rbac, backend architecture.

status: online.

• Designed a gamified reward system serving 500+ users, increasing engagement by 30%
• Built modular REST APIs with Express.js using middleware pipelines, handling 1,000+ daily transactions at 99.9% uptime
• Implemented JWT-based RBAC with secure access control across user roles