Resume

Backend system linking physical textbooks to digital content via QR codes. Supports multi-year program access, entitlement enforcement, quizzes, analytics, and a CMS-controlled QR lifecycle.

• Multi-year program support and entitlement enforcement
• CMS-controlled QR lifecycle management
• Analytics and quiz integration per QR scan

Large-scale online quiz platform with weekly exams, scoring, and leaderboards. Built high-performance APIs with Redis caching for sub-100ms reads under peak submission load.

• Sub-100ms response times under peak load via Redis caching
• Weekly exam scheduling with automated scoring
• Real-time leaderboards

Real-time analytics pipeline streaming document-level changes to pre-aggregated PostgreSQL tables without adding transactional database load. Built change-stream consumer, message broker pipeline, and idempotent replay-safe workers.

• Zero additional load on transactional database
• Idempotent replay-safe worker design
• Change-stream consumer with NATS message broker

API-key platform for external partners to access campaign APIs. Built key generation, per-client authentication, and resource scoping for secure multi-tenant access.

• Secure API-key generation and rotation
• Per-client authentication and resource scoping
• Multi-tenant access control

Internal tool for bulk CQ content ingestion from images and documents. Integrated Gemini API for content extraction, reducing manual data-entry effort by ~70%.

• ~70% reduction in manual data-entry effort
• Gemini API integration for image/document content extraction
• Bulk ingestion pipeline with validation