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POS System Developer
Mahjong Game Provider
Google Map Service Provider
3D Modeling Service
Spam Mail Detection System
OCR Service Provider
Linux System Recovery
Drone Control App
Rubic Puzzle Game
Game/App Reversing and Reskin Expert
“Chongyin provides code above and beyond expectations every time. One of the better coders I work with.”kiamori 5 päivää sitten
c++ dll for convert hex-string to byte
“Great Job!”agil2008 3 kuukautta sitten
Project for Chongyin J.
“Excellent programmer and communicator, delivers top quality work in very little time, truly an expert. Will continue to work with Chongyin on future projects. Thanks”Kevin1013 3 kuukautta sitten
“Chongyin's expertise, professionalism, reliability and results were nothing short of phenomenal. I now know that I do not need to search for a programmer for my next project. Highest recommendations for Chongyin.”Zeptrax01 3 kuukautta sitten
UDP Punch Hole
“Exellent freelancer, fast and very clear code provided. I will definitely hire her again, thanks.”madgremlin 3 kuukautta sitten
“Snows performance supporting my project has been extraordinary. I will certaintly look to hire again for future projects.”Zeptrax01 4 kuukautta sitten
Mahjong GameMar 2018 - Mar 2018 (1 month)
I have developed Mahjong game using Unity 3D 2017.
POS System DevelopmentMar 2018 - Mar 2018 (1 month)
I developed Lottery game playing system using POS device and Back office.
TCL Script ExtensionFeb 2018 - Feb 2018 (1 month)
TCL Script Extension for Siemens NX UG Design Toolkit
Cordova Plugin DevelopmentFeb 2018 - Feb 2018 (1 month)
Cordova Plugin for Camscanner
Google Map ApplicationJan 2018 - Feb 2018 (1 month)
I had developed Google Map application for geolocation, path-finding, map-view using Google Map Service.
Spam E-mail Detection SystemDec 2017 - Jan 2018 (1 month)
I had developed this system using C#.Net and [login to view URL], and detected data are stored in SQL server and Simple DNS Plus server.
Invoice OCR ProjectNov 2017 - Jan 2018 (2 months)
I had developed a good OCR application for multiple scanned invoice PDF files.
Match3 Game DevelopmentOct 2017
New idea of match3 game is now implementing by me.
Data Analysis and ReversingApr 2017 - Apr 2017 (1 month)
Now this game has 10K+ global users and it is a Desktop/Mobile game based on [login to view URL] and WSS.
Drone Control and Mobile AppNov 2016 - Feb 2017 (3 months)
I had developed a drone control mobile application. This application can capture photo and video on the sky by my control. I used ArcGIS map system and GPS positioning, so users can control his drone to fly on anywhere over the map.
Rubic Game DevelopmentSep 2016 - Oct 2016 (1 month)
I had developed an excellent Unity 3D game of Rubiz magic cubic puzzle.
Cryptography Service ProviderJun 2012 - Sep 2015 (3 years)
I have 3 years experience of cryptography area and in these time I made much symmetric ciphers and public-key infrastructures such as AES, Twofish, RC4/5, RSA and EC.
Master degree of Computer Science2002 - 2010 (8 years)
Study for Analysis and Security of Real-time Traffic based on Linux Systems
I described here about one way to secure real-time traffic of network communication based on Linux operating systems.
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