Keugene Lee

Mobile-first app that helps guys build the confidence to approach and talk to new people — live on the Apple App Store and Google Play with $200+ in subscription revenue

• Roster logs every approach with outcome, contact, and flake/ghost status, then surfaces insights: conversion funnels, flake-rate by attractiveness, streaks, and a world map of where people are from
• RevenueCat handles iOS in-app purchases and Stripe handles web/Android subscriptions — webhook-driven entitlement sync, past-due billing recovery, and a $9.99/mo or $29.99/yr Pro paywall
• Community feed of anonymized field reports with upvotes and comments, plus a Reddit-style board to vote on what gets built next
• Owned the release pipeline end-to-end: Google OAuth + Apple Sign-In, Fastlane + GitHub Actions for Play Store uploads, App Store Connect API automation for iOS submission, and PostHog funnel analytics — one TypeScript codebase wrapped with Capacitor for iOS, Android, and web

AI music discovery app — enter a song you love and Claude builds a playlist of tracks you'll actually want to hear, each with an explanation of why

• Claude analyzes genre, vibe, and sonic qualities using Last.fm, TasteDive, and ListenBrainz to match energy and mood, not just genre
• Every recommendation is cross-verified on YouTube and Last.fm so every song is real and playable
• Spotify-style playlist player with a now-playing bar, autoplay, and like/dislike feedback that shapes future recommendations

The Facebook for Stony Brook University — a social network where verified @stonybrook.edu students find classmates, connect by dorm, and stay in the loop, with 50+ registered users

• Full profile system with major, dorm, courses, Greek life, clubs, privacy controls, and profile-view tracking
• Wall posts with photo/video uploads, likes, threaded comments, friend requests, pokes, groups, and direct messaging
• Defense-in-depth security enforced in Postgres row-level security: email-gated signup, per-IP rate limiting, bot-pattern detection, and owner-protection policies — every privacy rule lives in the database, not the app

AI-powered day planner that turns a city and budget into a complete itinerary, pulling live data from Google Places, weather, transit, events, and more

• Backend calls every relevant tool in parallel, then Claude Haiku synthesizes the results into real venues with prices, clickable Google Maps links, and an interactive map
• Watch the plan build live via Server-Sent Events, with a nightlife mode for evening plans and weather-based outfit suggestions
• Monetized with Stripe subscriptions ($4.99/month or $39.99/year) and Supabase auth with cloud-synced plan history

Interactive tool that helps users discover government assistance programs they qualify for

• Short questionnaire about household size, income, and employment status
• Instantly matches against 24 federal and state programs — SNAP, Medicaid, housing vouchers, and more
• Shows estimated annual savings for each matched program

Dating app built exclusively for Stony Brook University students — Hinge-style profile discovery with photos, prompts, and a mutual-like matching system

• 11-step onboarding captures major, grad year, residence hall, and lifestyle preferences for smarter matching
• Real-time messaging with read receipts, turn indicators, and unread badges
• Available on iOS and Android via Capacitor with automated builds through GitHub Actions

Community social network for Ardsley students, parents, and alumni — combining a news feed with a local services marketplace

• Categorized posts (tutoring, babysitting, events, for-sale, jobs, lost-found) with admin moderation and email approval workflows
• Built-in payments via Stripe Connect so community members can buy and sell services directly
• Available on iOS (App Store) and Android (Google Play) via Capacitor with public browsing for non-authenticated visitors