Profile image of jangjinmei728
@jangjinmei728
Flag of China Dandong, China
Member since July 28, 2017
3 Recommendations

jangjinmei728

Online Offline
I have been developed many parts of software for over 11 years. Major areas of my expertise include: ✅ Mobile App development (iPhone, Android, Hybrid, Unity3D, Cocos, ...) ✅ Web development (PHP, Python, NodeJS, AngularJS, Wordpress, Shopify, Laravel, AWS, Heroku) ✅ Desktop Application (C/C++, C#, Java, QT, ...) ✅ Database (Firebase, MySQL, MS SQL, Oracle, SQLite, ...) I always aim to maintain a long-term relationship with my clients. Whether you've lost your original developer, need additional resources, or want a brand new app, I can step in and take over wherever you need. For now, I am a manager of a team that has 5 full stack mobile&web developers. We guarantee clients high-quality code and fast speed. We also provide free maintenance 6 months after finishing the project. Please kindly touch us here and get success from there! Thank you for reading.
$50 USD/hr
75 reviews
6.5
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 17%Repeat Hire Rate

Portfolio

Recent Reviews

  • image of rgallenuz11 Modify slightly a Android APK (No Source - only by .APK) €155.00 EUR

    “Every problem was solved within time and work was solid done.”

  • image of getjobdonequick Project for Xiaoming Y. €291.00 EUR

    “Great!!!! Amazing work.”

  • image of youssefkrayani1 mobile app / android and IOS $320.00 USD

    “Perfect Work”

  • image of Joanas iOS & Android App Update SDK's and Libs $667.00 USD

    “Wow. Exceptional Service! Right from the beginning there was great communication and that communication continued through the whole project. Before accepting the project, Xiaoming Y. made sure to understand every aspect of what we were asking for before accepting the project. Once the project started Xiaoming Y. began work very quickly and provided updates along the way. I can't stress this part enough... excellent communication, excellent knowledge of what needed to be done, and outstanding professionalism. During the project Xiaoming Y. went above and beyond my expectations. Xiaoming Y. was very patient with me when I didn't have some of the information that was needed for my [login to view URL] I hire him again? YES! I am already drafting the requirements for my next project and I will be using Xiaoming Y. I am really looking forward to working with him again. I know my project will get done fast and correctly. You will not be disappointed if you choose Xiaoming Y. for your next project... trust me.”

  • image of worldetisalat Project for Xiaoming Y. -- 18/08/20 12:09:40 $240.00 USD

    “Very good”

  • image of abdirashidmohamm Highly creative Android developer needed $400.00 USD

    “This freelancer is great.. The quality of the work is excellent, he communicates very well and is very professional and courteous. It was pleasure working with him and I am sure I will hire him again in the future.”

Experience

Senior Mobile and Web developer

Mar 2010 - Jun 2017 (7 years)

I have developed mobile and web in this company for 7 years. Since 2014, I was a leader of mobile solution team and made a lot of websites&mobile production using different framework in various platform. Since July 2017, I became a full time freelancer.

Education

Bachelor of Computer engineering

2006 - 2010 (4 years)

Qualifications

C++ Fundamentals (2010)

Brainbench

C++

Publications

A new edge detection algorithm for flame image processing

Digital image processing is playing an increasingly important part in imaging based flame monitoring systems. A crucial step in flame image processing is to detect the flame edge, a dividing boundary between the area where there is thermo- chemical reaction and those without. The determination of flame edges is a precursor to flame image processing and measurement of flame parameters.

Certifications

  • Preferred Freelancer Program SLA
    89%
  • US English Level 1
    75%

Verifications

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