Profile image of ragnarjohannes
Flag of Poland Krakow, Poland
Member since September 2, 2017
1 Recommendations


Online Offline
I am Norwegian, but I grew up in the United States of America, today I live in Poland. I am graduated in Computer Science and Network Engineering, I have some specializations in Network Security and Information Security, I studied Forensic Computing and Cyber Security. I finalized my PHD in Forensic Computing last year, I worked in companies in Silicon Valley for 9 years. I've learned to program with 9 years old, I program in Cobol, Fortran, Assembly, C, C ++, C #, PHP,, VB #, Perl, Ruby, Java, JavaScript, Scala, R, Python and Pascal, I also work with some databases like Oracle, MySQL, SQL Server and others. I am able to configure Linux servers (Red Hat, CentOS, Ubuntu Server, Debian, Suse, Oracle Linux and ClearOS) as well as Windows Server 2003, 2008R, 2012. I also work with configuring networks with Cisco and Dell products. For more information, please contact me.
$23 USD/hr
3 reviews
  • 67%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • N/ARepeat Hire Rate


Recent Reviews

  • image of fcsergipe Outro ou sem certeza R$111.00 BRL

    “Esse freelancer Ragnar não fez a metade do projeto e mesmo assim liberei metade do pagamento e passou 20 dias sem responder minhas perguntar. Não recomendo para ninguém.”

  • image of cfa55e0da8739a9a Desenvolvimento Web R$350.01 BRL

    “Muito bom, atendimento profissional”

  • image of flaviaeugenia Project 15267454 has been deleted £188.00 GBP

    “totalmente satisfecha con el trabajo de este Freelancer, volvería a contratarlo sin dudarlo un minuto”


  • Facebook Connected
  • Preferred Freelancer
  • Payment Verified
  • Phone Verified
  • Identity Verified
  • Email Verified

Browse Similar Freelancers