Profile image of williams115
Flag of Vietnam Tp H Chí Minh, Vietnam
Member since September 18, 2017
5 Recommendations


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Hi, everyone I'm Williams, from Vietnam, a senior software developer and algorithm expert. I have not only solid knowledge but also rich experience in the fields of algorithm and software developing. I can do whatever you are going to implement, even I can develop new and novel algorithm and software. If you need my help, please don't hesitate to contact me. My Skills and Experiences: @Matlab/C++/C#/Python/JAVA/Fortran/Delphi/Android/VB/ R /SPSS @Machine Learning/Deep Learning(SVM, Kmeans, RF, ANN,CNN, DNN, RNN, RBM, AutoEncoder) @ Web Development(HTML/CSS/JavaScript/BootStrap/Angular/AngularJS/PHP/Django/NodeJS/Laravel/CodeIgniter/Zend/React) @Algorithm (PSO, ACO, ABC, FPA, WOA, GWO, RF, GA) @OCR(Government ID, Business Card, Image & PDF& Doc) @Object Recognition (ALPR, Face, Hand, Head, Object) @Image Processing (Object segment, Image Matching, Pattern Matching) @Math/Statistics/Stock/Finance
$20 USD/hr
52 reviews
  • 94%Jobs Completed
  • 91%On Budget
  • 98%On Time
  • 7%Repeat Hire Rate


Recent Reviews

  • image of Aradhya K. computer vision based project $260.00 CAD

    “He is good at image processing and segmentation projects in matlab. He modified my code according to my requirements. He does what he says and delivers nice project with good content in it. In addition, he also clarifies our doubts if needed and a help is always there from him when needed.”

  • image of Nan D. Project for Phong Tran N. $100.00 USD

    “Easy to deal with, listened to feedback and quality of work was great too. would hire again and definitely recommend.”

  • image of Angelina S. Project 19134359 has been deleted $30.00 USD

    “Good Job”

  • image of Md Sezon I. Numerical expert needed $35.00 USD

    “he promised a at least grade of C work. but the work he finally provided is totally [login to view URL] He took money from me before work. Now my work and money have been lost.i can hire you [login to view URL] is very bad person and he cheat me”

  • image of Jonny B. Coding a Program €170.00 EUR

    “Excellent work. Everything on time and at the highest level. Over 40 others I wrote could not do that. Phong Tran N. did that!”

  • image of Mudassar Z. Project for Phong Tran N. -- 19/03/18 13:06:30 $70.00 USD

    “He is good. Understand and help.. Will hire again.”


Optimal coordinate controls of EV's SOC Using Metaheuristic Algorithm

Jan 2018 - Jan 2018 (1 month)

Optimal coordinate controls of EV's SOC Using Metaheuristic Algorithm

Audio Captcha Recognition

Oct 2017 - Nov 2017 (1 month)

Audio Captcha Segmentation and Recognition

Multi - Objective Optimization

Jun 2016 - Aug 2017 (1 year)

Developing new algorithm for multi-objective optimal control scheme of electricity hub with complicated constraints

ALPR Development

Apr 2013 - Mar 2014 (11 months)

ALPR(Automatic License Plate Recognition)



2008 - 2011 (3 years)


  • Preferred Freelancer Program SLA
  • US English Level 1


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