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5 years worked in startup, from US, Ireland, Singapore, published 5 apps and fews commercial projects, I know how to work fast in a startup and how to manage a team, make the app come true and run smooth.

Work History

May 2017Present

Experienced iOS Developer at Coinhako

Coinhako is the friendliest Bitcoin & Ethereum Wallet with 100k+ users. Work in strong backend team, 2 Android and 1 iOS. Pay much attention in security, architecture and dynamically UI rendering from server. Protect user data by encrypting and storing sensitive data to KeyChain, preventing user with Face ID/Touch ID and extra password, apply Universal link to confirm transactions. Connect Socket to update price for cryptocurrencies real-time.

Technologies: Swift, Clean Swift, Core Animation, Git, Pusher, Auto Layout Programmatically, Today Extension


Voice assistance demo: 

Sep 2015Aug 2016

Experienced iOS developer at MOCA

Moca is a safe and convenience mobile payment. Very popular in Vietnam, especially in Ha Noi capital. Pay for bills at merchants partners in 20 seconds with scan QR code only. I was in team with 2 iOS and developed ewallet, money transfer, mobile topup, card management, auto login with Touch ID, and SDK for 3rd party integration.

Technologies: Swift 2, MVP, Push Notification, Fabric, MapKit, Deep Linking, AddressBook


Other Projects

OGENII - Side  project 

Ogenii is dynamically connect learns to teachers and help users learn/teach anytime and anywhere they want. I take responsibilities for everything about tech, backend (Node.js), database, server, web and iOS. Easily start learning with social network login (Facebook, Google). Pick place to learn and get direction by Google Places and Maps. Keep update with new classes and activities via Firebase Cloud Messaging. Cool UI with gradient color effect.

Technologies: Swift 4, Clean Swift, Facebook LoginKit, Firebase, Fabric, Firebase Cloud Messaging, Google Places, Google Maps, Apache, Node.js, Ubuntu, MySql


OPIYN - Side Project

Opiyn is mobile interactive reviewing experience, see thousands of reviews in one quick glance and give a review with just one touch. To do that, I had to customize the UITextView to show actions popup, rendering multiple font in one UITextView. Interested UI with Pinterest Layout (limping height, 2 columns collection view), Parallax Header Tab, Tinder card style for Notification. Geofencing location around user location.

Technologies: Swift 2, MVP, Push Notification, Fabric, MapKit, Deep Linking, AddressBook


WEBGAFF - Freelance Project

Experience property search on an exciting level with the WebGaff app. Take your property search anywhere and everywhere. Search for residential rental properties nationwide and connect with property owners directly with WebGaff. Instant 1-1 chat to discuss via, street view and map view with Google Maps, geofencing to find properties around location.

Technologies: Swift 2, MVP, Push Notification, Fabric, Google Maps,



knConstraints is a library for Auto Layout Programmatically with very short syntax, clean code.



iOS: Swift, Core Animation, CocoaPods, Auto Layout Programmatically, Push Notification, MapKit, Core Location, Interface Builder

Others: Google Maps, Google Place, Facebook SDK, Git, Fabric, Firebase, Flurry, MixPanel, Google Analytics, NodeJS/Express, MySQL, Apache, Ubuntu, Sketch, Photoshop, Charles, Instagram



Speaker at Geeky Weekend on "Swift Talk 2: Quality Battle"


Trainer Assistant for Subhransu Behera on "TopDev Techtalk: Free Swift Tutorial Day"