Nicholas Dakis

CS student at Queens College interested in backend development.

GitHub LinkedIn Email
Skills
Projects
Level Up!
Gamified health app
Android Web PWA
Tech Stack
Flutter Riverpod Python Flask PostgreSQL Supabase Redis Firebase GitHub Actions CI/CD FCM Pydantic pytest
Features
  • Log meals via barcode scan, search, or manual entry with full macro breakdown and nutrition analytics
  • Track workouts with sets, reps, weight, live timer, and instant PR alerts, with custom exercise and routine creation
  • Check in to nearby points of interest on a map to earn XP
  • Climb tiers, compete on leaderboards, and unlock multi-tier achievement badges
  • Detailed analytics for food, workouts, water, and weight logs
Under the hood
  • 3-layer Flask backend with shared auth middleware across all routes
  • PostgreSQL stored procedures with row-level locking for atomic XP updates
  • Redis caching with distributed locking to prevent cache stampedes
  • Token-bucket rate limiter with daily refills and failure-safe rollback
  • FCM push notifications with automatic stale token pruning
  • GitHub Actions CI/CD; deploys only on passing pytest suite
Google Play Repo README Wiki