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Flag of Vietnam Ha Noi, Vietnam
Member since September 18, 2017
2 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.
$20 USD/hr
15 reviews
  • 100%Jobs Completed
  • 93%On Budget
  • 97%On Time
  • 9%Repeat Hire Rate


Recent Reviews

  • image of MusicGuruz Project for Phong Tran N. -- 3 $100.00 USD

    “Of course, very intelligent person and easy to communicate and work with!”

  • image of projectsky86 Project for Phong Tran N ₹23600.00 INR

    “He delivered the project as expected. Phong understood our requirement very well and delivered it exactly as we wanted it”

  • image of vinothkumarapce map reduce Big Data Project $30.00 USD

    “this is part of initial transfer so that he can start working”

  • image of John2a018 Feature Selection in Python 2.7 $200.00 CAD

    “Excellent Work quality, ethics Very Patient, Will look into every little detail Highly Recommend Please hire him”

  • image of abhilash919 Project for Phong Tran N. $80.00 USD

    “Exelent Work in Machine Learning, python. I would love to give Other project and work with him again and again. 5 start person.”

  • image of Danmohit need a matlab programmer $171.00 NZD

    “excellent work done by him”


Coordination Charging Control of EVs Using Evolutionary Algorithms

Jan 2018 - Jan 2018 (1 month)

Coordination Charging Control of large EVs using PSO and FPA algorithms

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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