Gambar profil ragnarjohannes
Bendera Poland Krakow, Poland
Anggota sejak 3 September 2017
1 Rekomendasi


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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 ulasan
  • 67%Pekerjaan Diselesaikan
  • 100%Sesuai Anggaran
  • 100%Tepat Waktu
  • N/ATingkat Rekrut Ulang


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  • gambar Fabiano C. 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.”

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    “Muito bom, atendimento profissional”

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