Where Are They? (dondeestan.cl): Full-stack platform
Berckan Guerrero
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Posted Feb 8, 2026
Where Are They? (dondeestan.cl): Full-stack platform built on Supabase PostgreSQL from the ground up. Designed and implemented the complete database archite...
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Nov 15, 2025 - Jan 15, 2026
Where Are They? (dondeestan.cl):
Full-stack platform built on Supabase PostgreSQL from the ground up. Designed and implemented the complete database architecture:
63 migrations, Row Level Security (RLS) policies, full-text search with Spanish stemming, and incremental data sync using SHA-256 change detection.
The project aggregates 3,216+ records from 4 external sources through a Python ETL pipeline with 99% deduplication accuracy, AI-powered image restoration (Real-ESRGAN + GFPGAN), and a Nuxt 3 frontend.
Hosted on GitHub with a monorepo structure, CI/CD via GitHub
Actions, and Vercel deployment.
This project demonstrates deep Supabase expertise: auth, storage, database design, RLS, edge functions,
and seamless integration with a modern frontend stack.