Vendor management platform and marketplace for grocery supply chains. Architected a Next.js + TypeScript app with serverless Firebase microservices for secure auth and catalog workflows. Built a retrieval-backed AI pipeline in Python with vector indexing to automate product metadata (50% p95 latency reduction, 80% faster setup). Developed voice-enabled batch inventory with OpenAI Whisper supporting 90+ languages, plus real-time logistics and payments using Stripe Connect and Google Maps with identity verification (85% chargeback reduction).

Open-source farm management platform at Dickinson College. Engineered a concurrent-safe crop tracking system in Node.js + PostgreSQL with transactional consistency to meet USDA audit standards. Revamped the Vue.js frontend with centralized state management, refactoring 22+ components to cut form latency by 60% and replace manual spreadsheet workflows. Integrated 18+ REST APIs and added Cypress E2E tests with 80%+ coverage, saving farm staff 12+ hours per week.

Top contributor to Mermaid.js (#25 of 600+ contributors) and FarmData2 (25+ PRs, 14K+ lines).

Mermaid.js: Delivered 3 merged PRs implementing text wrapping algorithms, auto-scaling data labels, and customizable styling for a library serving 1.4M+ weekly downloads. Contributed to a 100K+ line codebase, shipping features now powering diagrams across GitHub, VS Code, Notion, and Microsoft Word.

• Mermaid.js PRs
• FarmData2 PRs
• Full OSS Portfolio & Stats

Music-based social platform that matches users using a weighted Spotify similarity score across top artists, top tracks, saved tracks, and followed artists. Ships as a single Spring Boot deployable that bundles the React build, with real-time chat and notifications over WebSockets. JWT auth via HttpOnly cookies, PostgreSQL via JPA, Cloudinary avatars, and S3 presigned uploads for chat attachments.

Task management with external verification. You submit proof, a verifier approves or rejects, and missed deadlines automatically expose hidden penalty content via email. Built with Spring Boot + React, real-time WebSockets, AES encryption at rest for sensitive fields, recurring tasks via RRULE, and S3 presigned uploads. Deployed as a single Dockerized artifact on Render.

AI-powered navigation app that reroutes users based on their selected safety level. Built with Vue.js, the app sends routes to Cloudflare Workers to check against high-crime zones. Geocoded 50K+ crime addresses using Google API, mapped them to zones using public boundary data, ranked zones by crime density, and stored them in AWS Databricks so Cloudflare Workers can check route intersections and reroute in real-time. Built at HackHarvard 2024.

Diabetes management web app integrating Dexcom glucose monitors for real-time glucose tracking, AI-powered meal recognition via Tune Studio's vision model, and personalized health insights powered by Cerebras. Built with React and Flask, featuring MongoDB for data storage and Twilio for critical glucose alerts. Simplifies carb counting, meal logging, and glucose trend analysis. Built at PennApps 2024.

Complete custom operating system kernel implemented in C for the uMPS3 RISC emulator. Features include time-sharing, multiprogramming, TLB-based virtual memory management, system calls, and interrupt handling for concurrent process execution and memory safety. Demonstrates deep understanding of operating system concepts and low-level systems programming.