Jesther Silvestre — Mobile App Developer
Mobile app developer with 4+ years of experience building and shipping cross-platform applications using Flutter and Dart. Published 4 production apps on both the App Store and Google Play, serving users across the US and the Philippines. Experienced in Firebase, Supabase, PostgreSQL, REST API integrations, and real-time data streaming. Built a Rust-based system tool with native iOS (SwiftUI) and Android (Jetpack Compose) companion apps. Leverages AI-assisted development workflows daily with Claude Code to accelerate prototyping, debugging, and delivery.
Contact: jesthersilvestre@yahoo.com · Macabebe, Pampanga, Philippines
Technical Skills
- Mobile: Flutter, Dart, iOS (SwiftUI), Android (Jetpack Compose), BLoC, Hydrated BLoC, Provider
- Backend & Data: Firebase, Firestore, Supabase, PostgreSQL, REST APIs, Server-Sent Events (SSE), JSON, XML
- Languages: Dart, Rust, Swift, Kotlin
- Tools & Platforms: Git, Claude Code, n8n, Figma, Postman, VS Code, Xcode, Android Studio
- Services: Firebase Cloud Messaging (FCM), Google Maps API, CocoaPods, App Store Connect, Google Play Console
- Methods: Agile, Cross-Platform Development, AI-Assisted Development, CI/CD, Agentic Coding
Experience
Freelance Mobile App Developer & Independent Consultant — Self-Employed (March 2023 – August 2025)
- Built and shipped 3 cross-platform Flutter apps from concept to production for clients in the US and Philippines, all published on App Store and Google Play.
- Developed Next Dash DNS, a real-time analytics dashboard using Server-Sent Events (SSE) and NextDNS REST API integration with interactive charts and live log streaming.
- Created Top Trail Horse, a GPS-based social platform for equestrians featuring real-time ride tracking, performance analytics, and a community feed, powered by Firebase and Google Maps.
- Engineered U60 Pro Router Toolkit with a Rust-based HTTP agent (0.8 MB binary replacing 225 MB vendor software) and native companion apps in SwiftUI (iOS) and Jetpack Compose (Android).
- Implemented BLoC and Hydrated BLoC state management patterns across all projects for scalable, testable architecture.
- Integrated AI-assisted workflows using Claude Code for rapid prototyping, debugging, and feature delivery.
Mobile App Developer / Flutter Developer — Web Outsourcing Gateway (July 2021 – February 2023)
- Developed OH Jobs PH, a comprehensive job portal app connecting Filipino job seekers with employers, published on both App Store and Google Play.
- Implemented advanced UI components and cross-platform features using Flutter, ensuring consistent native-like performance on iOS and Android.
- Integrated REST APIs, public and private web services, and push notifications (FCM) into production mobile applications.
- Collaborated with backend teams on PostgreSQL-backed systems, managing data flow between mobile clients and server infrastructure.
Published Applications
- Next Dash DNS — Real-time NextDNS analytics dashboard with SSE streaming, interactive charts, and configuration management. (Flutter, Dart, BLoC, REST API)
- Top Trail Horse — GPS ride tracking and social platform for equestrians with Firebase backend and Google Maps integration. (Flutter, Dart, Firebase, Geolocator)
- OH Jobs PH — Job marketplace connecting Filipino workers with employers via a mobile-first experience. (Flutter, Dart, PostgreSQL, REST API)
- U60 Pro Router Toolkit — Rust HTTP agent plus native iOS/Android companion apps for ZTE 5G router management. (Rust, SwiftUI, Jetpack Compose, Claude Code)
Education
- Bachelor of Science in Information Technology, ACLC College of Apalit