Hotspotters

Restaurant discovery plus a business-management back office.

SplashSpot

Discover lakes and pools to visit with family.

WeCurl

Find training partners at nearby gyms.

Instatoolzz

Find and sell tools nearby.

Clinkky

Financial-education app for kids with a parent back office — built the back office and the Node API.

gerardocordero.dev

This portfolio — an editorial, native HUD built with Expo Router on a Turborepo monorepo.

React Native Interview Prep

A senior React Native engineer study guide — mobile-architecture notes, practice pitches, and Q&A flashcards with a progress tracker.

iOS Interview Prep

A senior iOS engineer study guide — Swift & SwiftUI deep-dives, practice pitches, and Q&A flashcards with a progress tracker.

Android Interview Prep

A senior Android engineer study guide — Kotlin & Jetpack Compose deep-dives, coding sessions, and Q&A flashcards with a progress tracker.

NestJS Interview Prep

A senior NestJS / Node backend study guide — request-lifecycle and DI deep-dives, microservices and security, plus coding & system-design prompts with Q&A flashcards.

Next.js Interview Prep

A senior Next.js / React study guide — App Router, rendering & caching, and Server Actions deep-dives, plus coding & system-design prompts with Q&A flashcards.