Profile image of Markreyn
Member since August 26, 2015
0 Recommendations


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Very experienced developer, fluent in many programming languages including C, C++. Java, Matlab and Python. PhD in Computer Science, MS in Mathematics. High energy, fanatically organized. Responsible for several successful commercial and Government projects. Have worked in Linux, Unix, Windows, iOS and Android.
$40 USD/hr
30 reviews
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 14%Repeat Hire Rate


Recent Reviews

  • image of Namor5 Project for Mark R. €100.00 EUR

    “Mark is a true professional. We are going to be working together for a long time.”

  • image of Mutlaq1 Project for Mark R. £300.00 GBP

    “it was ok.”

  • image of edressler Creat Blockchain Database for Healthcare $1627.00 USD

    “Great freelancer!”

  • image of android321 Project for Mark R. $50.00 SGD

    “Mark was able to answer my questions with clarity and provided many helpful suggestions.”

  • image of bkapur Project for Markreyn $350.00 USD

    “Highly knowledgeable about his subject. I would recommend Mark to anyone and would hire him again”

  • image of untouchbl3 REWRITE of MEDICAL ARTICLES (unlimited) $30.00 USD

    “Thank you for the great work done. Markeyn have delivered exactly what I needed. Done in a faster time than expected! I will definitely work with this freelancer again!”


PhD - Computer Science

2008 - 2012 (4 years)

MS - Mathematics

1978 - 1981 (3 years)


  • Numeracy 1
  • C 3
  • US English Level 3
  • C++ Level 1
  • Java Level 2


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