Profile image of dungnv9
Flag of Vietnam Ha Noi, Vietnam
Member since August 20, 2012
0 Recommendations


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Happy Result, Excellent Quality, Good Service, Fast Communication With over 8 years of experience in software development, I believe I can assist you and make valuable suggestions. - Objective C (8 years) - Swift (over 4 years) - Action script (2 years) - PHP (2 years) - Ruby on rails (1.5 year) My strong skill: - Social App - Call VOIP using pjsip framework and server asterisk - Media messaging (photo, text message, audio message, location send, ….) - Camera communications (transport data from camera to pc, import image/video, update firmware) - Movie export, movie edit - Image processing (edit, crop, resize, input text, make video from images ….) - Map and Location: apply for taxi application like Uber, graph (make driver call request, calculate distance, money, time …) - Purchase: Use third party (Webpay, netpay, apple pay, in app purchase, …) - Bluetooth BLE - Networking ....
$30 USD/hr
38 reviews
  • 97%Jobs Completed
  • 99%On Budget
  • 97%On Time
  • 32%Repeat Hire Rate

Portfolio Items

Recent Reviews

  • image of Brendon L. Convert/fixing JSON to iOS native code $70.00 USD

    “learn something new today hope to continue work with”

  • image of Zahid N. MacOS app (CocoaBindings, NSArrayController, CoreData) ₹2697.90 INR

    “Dung is a great guy, good communication, helped me where I was stuck in my project, He's got excellent programming skills, He's good at developing both iOS & macOS applications. Would like to hire him again in future.”

  • image of Matt J. Create iOS app from existing source $2144.00 AUD

    “Dung once again exceeded expectations. He delivered more high quality code and maintained high standards. We’ll no doubt keep him onboard for future projects.”

  • image of Matt J. Add features to a mobile app 2 $2711.00 USD

    “Dung was excellent as always! We've had him a part of our team for the last 9 months now and will be continuing to make the most of his abilities in the future!”

  • image of Alex N. Project for Nguyen Van D. $50.00 USD

    “3rd time working together. Very satisfied. More projects to come. Thanks Dung for the great work”

  • image of Matt J. Add features to a mobile app $2090.00 USD

    “Dung is a pleasure to work with. We'll continue to use his services!”



Dec 2016

Like uber taxi app

Taxi App

Jul 2016 - Dec 2016 (5 months)

Busy parents to support the movement of the children instead of "Kids Taxi" is a new appeared in the app. It easy to specify the pick-up time and location from the app, selected by the driver with the credentials of the pediatric emergency training (MFA) and the like from Japan transportation group 7000 people will help you reach of children! URL:

Man To Man

Dec 2015

Description : This is service application to help people can research and apply job depend on some criterion (work place, salary range, type of job ….) Responsibility: iOS technical leader Develop Environment: iOS, Android Team: 7 members

Cosplay No1

Aug 2015 - Dec 2015 (4 months)

Description : This is application to root for Cosplayers. Cosplayers can post/like/give winner point/ communicate with friend by comment channel. Responsibility: iOS technical Leader Develop Environment: iOS, Android Team: 10 members

Rocku talk

Jun 2015 - Aug 2015 (2 months)

Description : This is a FREE communication app for mobile gamers. Share yours emotion other games, assist to battle enemy in game, chat with friends. Responsibility: iOS technical leader Develop Environment: iOS/Android Team: 8 members

VTV Lalala

Apr 2015 - Jun 2015 (2 months)

Description : This is karaoke app, almost same as smule application on apple store. This app still developing to support some new function. User can search favourite song, listening others person recorderd. Allows make dynamic movie during record Responsibility: iOS technical leader Develop Environment: iOS/Android Team: 8 members

Treasure Trash

Dec 2014 - Apr 2015 (4 months)

Description : This is a community focused app which connects local buyers and sellers on a beautiful easy to use flatform. Geolocation features allow you see how far the item is and the offline messaging feature lets you private message in real time without the need for exchanging numbers or emails. Sell your unwanted item. Responsibility: iOS technical leader Develop Environment: iOS/Android Team: 12 members


May 2014 - May 2015 (1 year)

This is VOIP application. Almost same some others voip (zalo, viber) with some features (call inapp/GSM , chat group/single, multimedia messaging support …) Responsibility: Project manager and iOS technical leader Develop Environment: iOS/Android Team: 10 members


Jul 2013 - Mar 2014 (8 months)

Description : This is app developed for specify camera vendor. Allows imports content from camera to PC (Mac/Window), edit movie and upload to youtube .. Responsibility: technical leader Develop Environment: MacOS Team: 16 members

Indoor location

Apr 2013 - Jul 2013 (3 months)

Description : This application used to checking in house location. Provide highly-accurate indoor positioning and location base service, Real time positioning information on a map background, Path finding with automated staring point and updates, Geo-fencing triggers and real-time position sharing. Responsibility: iOS technical leader Develop Environment: iOS/Android Team: 6 members


Jan 2013 - Apr 2013 (3 months)

Position in project Technical leader OS Environment Mac OS X/iOS Technical Environment C/C++ Objective - C Project Description o Characteristics Develop iOS application support call, sent SMS via VOIP like Line, Viber application in iOS...


Sep 2012 - Oct 2012 (1 month)

Drum Beats+ is a simple and fun collection of drum loops for stress-free jamming and songwriting accompaniment. No assembly required! Ranging from 1 to 4 bars in length, these loops are great for casual practice or exploring song ideas. Plug into Hi-Fi speakers for the best sound (or just play right from your iPhone!). ? Gorgeous, Simple Design ? Over 75 Drum Loops (Various styles) ? Beat Pack Store (more packs coming soon!) ? Includes "Hit Song" Pack (remakes of beats from 12 chart-

Social Network Service

Aug 2012 - Dec 2012 (4 months)

Develop MAC Application for specific camera vendor + Convert movie + Trimming movie + Upload movie and image to: Facebook, Picasa, Youtube, Flickr, Photo Bucket, Shutter Fly, Personal Space, Youku, Mixi.

Kernel Extension

Apr 2012 - Jul 2012 (3 months)

Description: develop kernel extension to perform register MAC with device.

Remote Player

Feb 2012 - Apr 2012 (2 months)

Develop MAC Application to display movie from movie stream + Display movie by OpenGL + Get movie stream from Remote Player by Real-time Transport Protocol + Register remote player via internet

Auto Import movie and image from camera

Jan 2012 - Apr 2012 (3 months)

Develop MAC Application for specific camera vendor + Auto import movie and image via local internet (wireless or ethernet) + Convert MPEG transport stream to MP4

Ebook Reader Management

Jun 2011 - Aug 2011 (2 months)

Develop eBook Reader Management (MAC and PC and IOS) + Browse eBook in eBook Reader + Transfer eBook between PC and eBook Reader + Download eBook from server and store to eBook Reader

Image Data Converter

Mar 2011 - Sep 2011 (6 months)

Develop Image Processing Application (MAC and PC) + Browse image on MAC and PC + Image management + Display thumbnail and screen nail + Image processing: process RAW image for specific camera vendor

Social Network Service

Nov 2010 - Jun 2011 (7 months)

Develop Cocoa Application in MAC OS to upload media file to social service + Browse movie and image in camera + Convert movie + Convert RAW image to JPEG + Trimming movie + Upload movie and image to: Facebook, Picasa, Youtube, Flickr, Photo Bucket, Shutter Fly, Personal Space, Youku, Mixi.

FPT Research and Development

Apr 2010 - Jul 2010 (3 months)

Maintain Linux Printer Filter Role: Developer o Study algorithms to process raster data o Debug filter o Optimize processing algorithms of filter Design and develop Printer Utility on Linux Role: Developer o Design printing protocol for printer o Display status of printer

FPT Research and Development

Mar 2010 - May 2010 (2 months)

Study ARM board o Study Linux kernel and porting linux to ARM board o Develop embedded application to run on ARM board o Build and porting Android Operating System version 1.5 to ARM board

Develop scanner emulator

Oct 2009 - Dec 2009 (2 months)

Develop scanner emulator o Design operation of scanner using TWAIN and ThreadX o Develop scanner emulator

International Research Centre: Multimedia, Information, Communication and Application

Jan 2009 - Jun 2009 (5 months)

Study, design and develop smart robot to exploit multimedia information o Design the prototypes which have the capability to move in harsh terrains in order to develop their applications in industry and in real life o Support people through interaction of emotion, gesture and speech. Program embedded system with Atmel ATmega128 and human machine interface by C# to control the Spider Robot Design and program the Mini DCS System with NXP LPC2378

Institute of Military Science and Information

Jun 2008 - Jun 2009 (1 year)

Program embedded system with Microchip Pic o Design the electric map o Process the digital signal Design the data receiver system o Collect data from Airplane through TTL standard and RS232 standard o Process and store data to memory



2003 - 2008 (5 years)


Have not certificate (2012)


Have not certificate





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