Roxane Vo - Mobile Developer

Roxane Vo

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Roxane Vo

Gender

Male

Address

Ho Chi Minh City, Vietnam

Main expertise

Flutter Firebase Stripe Mobile App Android iOS Socket.IO JSON PayPal Apple Pay API FFmpeg

Introduction

Roxane Vo is a seasoned Mobile Developer with over five years of professional experience, specializing in cross-platform mobile app development. Having held various positions, Roxane has broadened her knowledge across multiple aspects of the IT field, enabling her to design solutions that meet information and data architecture requirements. Her expertise spans the entire lifecycle, from design and development to testing, deployment, maintenance, performance tuning, and user support.

Project list

TranSwap Project Enhancements - Singapore

2020 - 2021

Enhanced the TranSwap platform by implementing various features such as payment methods through Stripe and PayPal APIs, integrating SQLite for data storage, and developing chart types for live data visualization. Participated in creating an eKYC feature with Google MLkit, revamped the design system for code reuse, added a Push Notification feature via OneSignal, and developed unit tests and mock data using Mockito.

Implemented the payment method for purchases or subscriptions using the Stripe and PayPal APIs. Integrated SQLite for storing transaction history, user settings configuration, and search history, improving accessibility and control. Developed various chart types to visualize live data. Participated in the development of an eKYC feature using Google MLkit. Revamped the design system to enable easy reuse of code, resulting in increased productivity. Incorporated the Push Notification feature using OneSignal to provide user alerts based on their account settings. Created Unit Tests and Mock data objects for view models and API calls using Mockito for Development Testing.

Technologies: Stripe, PayPal APIs, SQLite, Google MLkit, OneSignal, Mockito

SSI Securities Corporation - Vietnam

2021 - 2024

Developed a micro frontend and Clean code architecture to modularize the frontend codebase, including package development for modular and shared code. Optimized real-time stock data streaming using Firebase Cloud Storage and socketIO. Enhanced cross-platform communication in a Flutter application and built an internal website for the broker department to improve customer consultation processes. Utilized isolates for efficient parsing and decoding of large JSON data, and implemented two-factor authentication with biometric and OTP methods. Improved data search efficiency with debounce mechanisms and optimized scrolling/paging performance with throttle mechanisms.

- Designed and developed a micro frontend architecture and Clean code architecture to modularize the frontend codebase - Developed packages to enable the creation of modular code that can be shared easily - Worked with Firebase Cloud Storage and socketIO to stream real-time stock data - Managed communication between iOS and Android platforms within a Flutter application - Built an internal website for the broker department, improving the processing of customer consultations - Utilized isolates for parsing and decoding exceptionally large JSON data efficiently - Engaged in the development of two-factor authentication using biometric and OTP methods - Implemented debounce mechanism to enhance data search efficiency and enable automatic form saving - Implemented throttle mechanism to optimize scrolling and paging performance in extensive lists.

Technologies: Firebase Cloud Storage, socketIO, JSON, OTP

Techsoft Project - Vietnam

2024 - 2024

Led the integration of In-App Purchase (IAP) services across Apple, Android, and Stripe platforms. Enhanced video functionality by efficiently trimming and compressing videos using FFmpegKit. Improved performance with video preloading techniques, focusing on seamless vertical video swiping. Developed and sustained robust video streaming solutions.

Integrated In-App Purchase (IAP) services with Apple, Android, and Stripe services. Utilized FFmpegKit to trim and compress videos efficiently. Implemented video preloading techniques to enhance performance, especially for vertical video swiping. Developed and maintained video streaming solutions.

Technologies: FFmpegKit, Stripe, Apple, Android

Beesight Soft Project - Vietnam

2017 - 2019

Led research and development efforts by utilizing the Flutter framework during its beta stage. Successfully integrated essential libraries such as Firebase and authentication services from Google and Facebook. Collaborated closely with the mobile team to design test cases and develop unit tests, achieving over 90% test coverage. Conducted research on and implemented SOLID principles, Object-Oriented Programming (OOP), and Clean Code architecture while still in an internship position. Managed server requests and API interactions using the Alamofire library. Created route visualizations from shippers to restaurants, and from shippers to customers. Gained experience with Storyboard and Xib files using Xcode Interface Builder. Developed the application using MVC and MVVM frameworks. Applied Auto Layout to design adaptable user experience frameworks suitable for various screen sizes, including both iPad and iPhone.

Pioneered research and utilized the Flutter framework while it was in the beta stage. Implemented proficiently popular libraries such as Firebase, Google and Facebook Auth. Collaborated with the mobile team to draft test cases and write unit tests, also ensuring a test coverage of over 90%. Researched and applied SOLID principles, Object-Oriented Programming (OOP), and Clean Code architecture in the project while still an intern. Utilized the Alamofire library to manage backend requests and handle API interactions. Drew routes/polylines from the shipper to the restaurant, as well as from the shipper to the customer. Experienced with using Storyboard and Xib file in Xcode Interface builder. Developed the application using MVC, MVVM framework. Utilized Auto Layout to design user experience frameworks that are applicable to multiple screen sizes, including both iPad and iPhone.

Technologies: Flutter, Firebase, Google and Facebook Auth, Alamofire, MVC, MVVM

Project list

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