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$30 USD / hour
Flag of CHINA
suzhou, china
$30 USD / hour
It's currently 5:44 PM here
Joined December 29, 2014
0 Recommendations

Jin Q.

@jinqiupeter

5.0 (21 reviews)
5.8
5.8
95%
95%
$30 USD / hour
Flag of CHINA
suzhou, china
$30 USD / hour
96%
Jobs Completed
100%
On Budget
98%
On Time
40%
Repeat Hire Rate

7+ years of c/c++ programming, linux/unix, perl/Shell/batch, QT

Rich experiences in C/C++ programming, Linux/Unix programming and administration, Shell/Perl programming, mobile platforms.Designed and developed a wide variety of applications and tools on Windows, Linux/Unix, Mac-OS and Windows Phone. Excellent English communication skill. Hard working and task oriented.

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Portfolio

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Reviews

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Showing 1 - 5 out of 17 reviews
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5.0
$141.00 USD
Thank your for completing our project successfully. We appreciate your responsive communication, quality reporting and timely project completion.
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@applecartbar
7 years ago
5.0
$282.00 USD
Thank you for completing our project successfully. We appreciate your attention to detail, punctual manner and quality reports. We look forward to future collaborations. [06 April, 2017] Thank you for completing our project successfully. We greatly appreciate your team's attention to detail, quality reports and punctual manner.
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@applecartbar
7 years ago
5.0
$432.00 USD
Excellent performance and attention to detail. We look forward to future collaborations. [01 December, 2016] Excellence performance and attention to detail. We appreciate this Freelancer's dedication to our project. [02 December, 2016] Excellent performance and attention to detail. We look forward to future collaborations.
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@applecartbar
7 years ago
5.0
$650.00 USD
Excellent project performance. We appreciate your attention to detail, consistent communication, and report delivery.
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@applecartbar
7 years ago
5.0
$648.00 USD
Thank you for completing our project successfully. We look forward to future collaborations. [23 April, 2016] Thank you for completing our project successfully. We look forward to future collaborations.
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@applecartbar
8 years ago

Experience

C# programming projects

company
Aug 2013 - Present
1. A Windows Phone 8 APP for browsing data from Prediktor's OPC server. Displays item values in real time. 2. A performance monitoring module in a OPC server

C/C++ programming projects

company
Jul 2008 - Present
1. A cross-platform C SDK. This is a C SDK that wraps the OPC ascii stack from OPC Foundation. Highly powerful yet light weight, already being used by world leading OPC solution providers. 2. Development and bug fixing for a proprietary script language, written in C. 3.Maintain and develop components of an existing AOI system written in C++ running on Linux and Solaris. The system detects the defects of LED screen during production based on GLC(gray level comparison) algorithm. The system controls its motors, sensors, cameras in real time and takes sample images/videos of LED screen in very high resolution and speed. Images and videos taken from LED screen are displayed on GUI in real time. 4. Design and develop a QT GUI application for an AOI system based on Qt4.7. The GUI communicates with background server via Corba, supports multiuser and multi machines. With dozens of pages, user can initialize cameras and motion control system, configure the geometrical parameters of LED screen to be checked, display real time images and videos during inspection. 5. A large scale billing system. The system supports Oracle and Sybase database, runs on Linux and all Unix-like systems. Languages and technologies used except C/C++ are: Perl, Shell, SQL, xml, webservice, multi-thread/multi-process, encrypt/decrypt, automated test, etc. 6. A standalone application to parse and load huge XML files into oracle database. 7. A fire alarm system built on C51 MCU. written in C. 8. A QT application that connect a medical inspector and hospital's LIS system. This application is used to synchronize data such as patient name, age and inspection data between a medical inspector and hospital's LIS sytem. It also includes an inspector emulator and a LIS system emulator. Developed in C++ and QT 9. A QT application that manages x-ray checkers, displays real time images and settings

Perl/Shell script development

company
Jul 2008 - Jul 2013 (5 years)
1. A GUI application on Linux to back up and restore file system. In basic mode this application backs up predefined items by a single click; in advanced everything can be configured, such as destination folder, follow links or not, etc. It supports delta backup, viewing, extracting any folder/file in an archive file before restore. Developed in Perl. 2. A source code build system to build C/C++/Java code on different platforms(Linux, Solaris, Windows) and generate installer packages using universal configurations. It supports gcc, Sun CC, java compiler, Microsoft C/C++ compilers, and Intel c/c++ compilers. Developed in Perl. 3. A Continuous Integration system. Users can log in a web site with there Linux credential to start building source code on their own branch, deployment on target machines(Linux/Windows), test and report on demand. A public branch is built and tested automatically everyday. Developed in Perl/Shell. 4. A makefile parser. With this tool user can search for value and definition for any symbol in a makefile and all makefiles included within it. 5. Scripts for initializing Oracle/Sybase database of a large scale billing system. 6. Scripts to extract user information from large excel files, register the user on a PHP based website, login the user and apply to join a user group.

Education

Bachelor of Automated Control

Central University for Nationalities, China 2004 - 2008
(4 years)

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