Ho Hoang Hai

Developing Masterise Homes, a cross-platform mobile application built with Flutter, serving residents and supporting sales and marketing activities. Transitioned from Masterise Group to One Mount (Aug 2025) as part of the Techcombank - Masterise - One Mount ecosystem consolidation. Also built a check-in app for corporate events.

• Architected scalable codebase using Clean Architecture with Bloc state management, auto_route, and get_it dependency injection.
• Delivered resident-facing features including facility booking, community announcements, and service requests with responsive UI.
• Built event check-in app enabling fast attendee registration and real-time tracking for corporate events.

Developed a cross-platform web application for the insurance industry using Flutter Web in a team of 6. Features included contract modification, fund withdrawal, and flexible product management.

• Collaborated closely with the design team to deliver optimal solutions balancing technical feasibility and user experience.
• Implemented complex business logic for insurance contract workflows and fund management with responsive, adaptive design.

Spearheaded development of a suite of mobile applications for various industries using Flutter. Led mobile development with responsibilities including code review, sprint planning, task assignment, and mentoring a junior developer.

• Sales management app: Location tracking, route planning, and sales materials for field teams.
• Customer ordering app: Streamlined order placement and promotion management.
• Delivery driver app: Real-time route tracking, verification, and timesheet management.
• An Sinh HCMC app: Delivered under tight deadlines during Covid-19 lockdown, providing relief supply management, donation tracking, and community assistance for HCMC residents.

Developed native Android applications for a Japanese client with a focus on UI/UX using Kotlin.

• Movie Ticketing App: Booking, payment integration, and viewing history.
• Smart Home App: IoT device management via intuitive interface.

Developed a Distributed Order Management (DMS) solution as an Android application using Java. Created a delivery management application using Xamarin.

• Architected offline-first data layer using SQLite with complex queries to ensure full functionality without network connectivity.
• Authored Stored Procedures as the primary business logic layer, bridging database and mobile client.

Designed and developed Android and Windows applications for storing information and passwords in NFC cards with high-security levels. Implemented data compression and encryption solutions for NFC card storage.