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@chongyin429
Flag of China Mudanjiang, China
Member since November 4, 2017
5 Recommendations

chongyin429

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Hello everybody. I am from China and I got the technical education at Tshinghua University. After graduation, I have been working at a big IT company in Beijing. Now I am looking for job on this site and I think that it gives me a good another opportunity for me to advance my life. As usual freelancers say that "I can do anything and do it perfectly". But I don't say so, because I hate to tell a lie to my clients and I like to say only a truth to them. If you want to work with me, I will do my best for your request even if it is too difficult with my capability and at last I will give you the satisfactory result. I always want to satisfy my clients. Doing so, I am studying new fields of IT top technologies and I am working hard all day and night. So I want to say you - my clients, "I WILL DO MY BEST". I will never disappoint you. Thanks for your kind attention for my long introduction. Best regards.
$30 USD/hr
21 reviews
6.0
  • 90%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 20%Repeat Hire Rate

Portfolio

Recent Reviews

  • image of ericsy Project for Changying F. $1000.00 USD

    “Helped a lot with a difficult project and completed the task a lot faster than expected, I look forward to hiring them again in the future.”

  • image of Viktoriia K. Simple CC2640 firmware (CCS) $200.00 USD

    “very bad experience.”

  • image of SBAMI Project for Changying F. $100.00 CAD

    “He is very good at what he does and finishes way before deadline. I will recommend him to anyone looking to having their projects completed and on time”

  • image of kmtai c# project debuging -- 2 $550.00 USD

    “excellent coder”

  • image of SBAMI Build networked kinect app for VR/AR $150.00 CAD

    “Simply very amazing guy smart and honest. Good communication .Will hire again for future jobs”

  • image of ghenrykhouse Mobile development €375.00 EUR

    “As a 10+ IT experience person (dev, project management and product management), I can say the following. The good part: developer was flexible with the requirements; clean code. The bad part: bad testing (I was doing all the testing myself and could catch obvious but critical bugs with the code); after I paid in advance the developer for supporting with the Production bugs after deployment - he was gone (I couldn't anymore find him, he never replied to messages even when I was showing server outages with all error logs) - this is very unprofessional and this is why I would not recommend him again to anyone who cares about a professional collaboration employer-employee. Too sad Changying - i trusted you. As a honest person - I need and I am writing a honest feedback.”

Experience

Unity Card Game Development

Apr 2018 - Jun 2018 (2 months)

I have developed Unity Card Game in my hand from scratch.

Mahjong Game

Mar 2018 - Mar 2018 (1 month)

I have developed Mahjong game using Unity 3D 2017.

POS System Development

Mar 2018 - Mar 2018 (1 month)

I developed Lottery game playing system using POS device and Back office.

TCL Script Extension

Feb 2018 - Feb 2018 (1 month)

TCL Script Extension for Siemens NX UG Design Toolkit

Cordova Plugin Development

Feb 2018 - Feb 2018 (1 month)

Cordova Plugin for Camscanner

Google Map Application

Jan 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 System

Dec 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 Project

Nov 2017 - Jan 2018 (2 months)

I had developed a good OCR application for multiple scanned invoice PDF files.

Match3 Game Development

Oct 2017

New idea of match3 game is now implementing by me.

Data Analysis and Reversing

Apr 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 App

Nov 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 Development

Sep 2016 - Oct 2016 (1 month)

I had developed an excellent Unity 3D game of Rubiz magic cubic puzzle.

Cryptography Service Provider

Jun 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.

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My Top Skills

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