Freelancer logo How It Works Browse Jobs
Log In Sign Up
Post a Project
EXPLORE
iPad
iPhone
Mobile App Development
Objective C
PHP
Profile cover photo
You're now following
Error following user.
This user does not allow users to follow them.
You are already following this user.
Your membership plan only allows 0 follows. Upgrade here.
Successfully unfollowed
Error unfollowing user.
You have successfully recommended
Error recommending user.
Something went wrong. Please refresh the page and try again.
Email successfully verified.
User Avatar
$20 USD / hour
Flag of VIETNAM
ho chi minh, vietnam
$20 USD / hour
It's currently 2:06 AM here
Joined February 17, 2011
7 Recommendations

Do Q.

@dotri84

 4.9 (117 reviews)
7.2
7.2
93%
93%
$20 USD / hour
Flag of VIETNAM
ho chi minh, vietnam
$20 USD / hour
100%
Jobs Completed
98%
On Budget
97%
On Time
35%
Repeat Hire Rate

iOS, Android, C#, PHP Senior Developer

I have 8-year experiences in software development. Having fast solving-problem skills so every new languages, I can learn and do in a very short time. Make client happy is my utmost purpose. Choose me and you will satisfy.
Freelancer iPhone Developers Vietnam
See all iPhone Developers in Vietnam

Contact Do Q. about your job

Log in to discuss any details over chat.

Portfolio

339903
iPhone app to read book description. iTunes link: https://itunes.apple.com/us/app/what-books-should-i-read/id564966596?ls=1&mt=8
iTunes app: What Books Should I Read?
620552
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
966871
Quiz, Trivia, Word, Puzzles https://itunes.apple.com/us/app/the-trivia-app/id743442885?ls=1&mt=8
The Trivia App
1206773
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
1309928
https://itunes.apple.com/us/app/brazileats/id861800094?ls=1&mt=8
BrazilEats - Guide to the food, drink, language and soccer o
https://itunes.apple.com/us/app/brazileats/id861800094?ls=1&mt=8
BrazilEats - Guide to the food, drink, language and soccer o
1506167
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
339903
iPhone app to read book description. iTunes link: https://itunes.apple.com/us/app/what-books-should-i-read/id564966596?ls=1&mt=8
iTunes app: What Books Should I Read?
620552
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
Political Junkie is your one stop vote and discussion app. You can vote on various political and non-political issues, discuss and comment on various issues. View comments by other political junkie users. Get to see ho users have voted on various pertinent issues. keep up to date with (1) latest news feeds from various sources including Ny Times, Bloomberg, USA Today, CNN, Roll Call Politics among others: and (2) tweet feeds from Andy Borowitz, Ben Smith, Dave Levinthal, John Dickerson among others! iTunes Link: https://itunes.apple.com/us/app/political-junkie/id646229040?ls=1&mt=8
Political Junkie
966871
Quiz, Trivia, Word, Puzzles https://itunes.apple.com/us/app/the-trivia-app/id743442885?ls=1&mt=8
The Trivia App
1206773
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
The Website Monitor app checks the status of your website at regular intervals, and sends you a push notification if it finds that your website is offline. iTunes link: https://itunes.apple.com/us/app/website-monitor/id794308087?ls=1&mt=8
Website Monitoring (ios app)
1309928
https://itunes.apple.com/us/app/brazileats/id861800094?ls=1&mt=8
BrazilEats - Guide to the food, drink, language and soccer o
https://itunes.apple.com/us/app/brazileats/id861800094?ls=1&mt=8
BrazilEats - Guide to the food, drink, language and soccer o
1506167
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and
Written completely in Swift (new programming language from Apple). Available from IOS 8. Optimized for large display (iPhone 6 , iPhone 6+) https://itunes.apple.com/us/app/voice-app-movie-trailer-audio/id909240911?ls=1&mt=8
Voice App – Movie Trailer Audio Phrases – Send Messages and

Reviews

Changes saved
Showing 1 - 5 out of 50+ reviews
Filter reviews by:
5.0
$600.00 USD
Make a sample app
A pleasure to work with.
Mobile App Development
iPhone
Android
Objective C
iPad
S
Flag of Se M.
@semiya
•
6 years ago
5.0
$500.00 USD
Make a sample iOS app
dotri84 is awesome, talented app developer, quick and responsive. I'm delighted with the work he's done for me.
Swift
iOS Development
S
Flag of Se M.
@semiya
•
7 years ago
5.0
$150.00 USD
Fix some issues #1
I don't know a wonderful freelancer over him. The correspondence is also very flexible, of course the work is perfect.
Mobile App Development
iPhone
S
Flag of Se M.
@semiya
•
7 years ago
5.0
$490.00 USD
Write an iPhone application for Tri
Thank you very much!
Mobile App Development
iPhone
iPad
D
Flag of Levert Deangelo C.
@dcweb1
•
7 years ago
5.0
$200.00 USD
5 small iphone/ipad app updates
Another job well done. Thank you very much!
Mobile App Development
iPhone
D
Flag of Levert Deangelo C.
@dcweb1
•
8 years ago

Experience

C# Developer / Mobile Developer (iPhone)

NetPower.no
Apr 2010 - Present
Scrum for development. Jobs received from Norway via Email, Skype chat/video. Apply Design Patterns in projects. *** April 2010 - June 2010: (Silverlight) Build Silverlight application to manage company's employees using Infragistics controls. *** June 2010 - Now: (iPhone/iPad) Work with iPhone to develop iOS 4 (iPhone, iPad) Develop Stock App for European Markets (Name: Marketmind Mobile Trader - Available on App Store). Inherit some best features from Stock (Yahoo), CNBC and Bloomberg Ap

Internship

EPFL cole Polytechnique Fdrale de Lausanne)
Sep 2011 - Dec 2011 (3 months, 1 day)
Do internship with business modeling Pratice UML modelings with case studies Do research on Scala language

Web Developer (ASP.NET)

79Soft
Jan 2008 - Mar 2010 (2 years, 2 months)
Work with SharePoint (WSS 3.0 and MOSS 2007). Program Web Part for SharePoint + Programming functional website for customers including calendar section, appointment section, task section... using new technologies of .NET such as LINQ, AJAX, .net 3.5... Use DevExpress components =========================== Develop many websites to manage multi-level users playing casino game outside Vietnam. Work with .net 3.5, Visual Studio 2008, WCF, jQuery, MS SQL and LINQ Develop website with concentration on p

Education

Master

Dai hoc Quôc Gia Tp. Hô Chí Minh, 2009 - 2011
(2 years)

Bachelor

Dai hoc Quôc Gia Tp. Hô Chí Minh, 2002 - 2007
(5 years)

Qualifications

MCTS ASP.NET

Microsoft
2009
This certification exam measures your ability to develop applications using ASP.NET in a development environment that uses Microsoft Visual Studio 2008 and Microsoft .NET Framework 3.5

Publications

Systematic Diagram Refinement for Code Generation in SEAM

IEEE Press
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=6299420&contentType=Conference+Publications

Contact Do Q. about your job

Log in to discuss any details over chat.

Verifications

Preferred Freelancer
Identity Verified
Payment Verified
Phone Verified
Email Verified
Facebook Connected

Certifications

preferredfreelancer-1.png Preferred Freelancer Program SLA 1 94%
us_eng_1.png US English 1 78%
vworker.png Foundation vWorker Member

Top Skills

iPhone 85
Mobile App Development 54
iPad 38
Objective C 33
PHP 29

Browse Similar Freelancers

iPhone Developers in Vietnam
iPhone Developers
Mobile App Developers
iPad Developers

Browse Similar Showcases

iPhone
Mobile App Development
iPad
Objective C
Previous User Next User
Invite sent successfully!
Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Freelancer logo US (International) / English Help & Support Freelancer Categories Projects Contests Freelancers Enterprise Membership Preferred Freelancer Program Project Management Local Jobs Photo Anywhere Showcase API for Developers Get Verified Desktop App About About us How it Works Security Investor Sitemap Stories News Team Awards Press Releases Careers Terms Privacy Policy Terms and Conditions Copyright Policy Code of Conduct Fees and Charges Partners Escrow.com Loadshift Warrior Forum Apps Apple App Store logoGoogle Play logo
Copy to clipboard failed, please try again after adjusting your permissions.
Copied to clipboard.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.