Experience
- Built and shipped a sandbox world-building platform; grew it to 9,000+ registered users and 20,000+ weekly visitors, monetized through a paid tier.
- Stateful FastAPI and PostgreSQL backend running the simulation engine, persistent user worlds and authenticated accounts across concurrent sessions.
- Cloudflare edge caching, per-IP rate limiting and DDoS protection absorbed a 10x overnight traffic surge with zero downtime, as sole on-call engineer.
2025
Shake ShackFull-stack developer, freelance
Shake ShackFull-stack developer, freelance- Led requirements gathering with the head of technology for ReceiptGuard, a receipt validation platform, and defined its architecture, threat model and scope.
- React Native app capturing GPS-tagged, timestamped photo evidence at each order handoff; one codebase shipped to iOS and Android.
- Spring Boot REST API validating submissions and writing immutable records to S3, creating a tamper-evident chargeback trail across tens of thousands of daily orders.
React NativeSpring BootAWS S3
2023SDSaftech DesignsFull-stack developer
- Audited 15+ API endpoints, hardened authentication and added security headers with enforced rate limiting.
- Rebuilt the platform in Next.js, migrating off a legacy CMS that could no longer be securely patched.
- Code splitting, lazy loading and image compression cut page load time by 75%.
Next.jsCSP / HSTS
Contributions
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