You can only view this photo if you sign up to XING.

Aaebf302e.6778537,2.18x24

Sebastian Stelmasik

expert ambassador moderator premium
Dipl. Informatiker (FH)
Inhaber
(The company name is only visible to logged-in members.)
Freelancer

Want to know more about Sebastian Stelmasik?

All you need to do is sign up for free on XING.

Sign up for free

Sebastian Stelmasik's haves

Sebastian Stelmasik's wants

Sebastian Stelmasik's professional experience

  • 10 years
    3 months
    02/2004 - present

    Inhaber

    (The company name is only visible to logged-in members.)

  • 1 year
    6 months
    11/2012 - present

    IT-Consultant, Soft- und Hardwarebeschaffung, Unix-/Linux-Scripting

    Sanitär Wahl GmbH

  • 1 year
    7 months
    10/2012 - present

    IT-Consultant, Webhosting

    Enrima Werbegesellschaft mbH

  • 4 years
    2 months
    03/2010 - present

    IT-Consultant

    Designgrill

  • 7 years
    10 months
    07/2006 - present

    Anwendungsentwicklung, (Server- u. Netzwerk-) Administration (Freelancer)

    Zeitsprung Infotainment GmbH

  • 8 years
    05/2006 - present

    (Server- u. Netzwerk-) Administration (Freelancer)

    mcwiwa consulting

  • 9 years
    1 month
    04/2005 - present

    IT-Consultant (Freelancer)

    AJFilms Ltd.

  • 9 years
    11 months
    06/2004 - present

    Server-Administration, IT-Consultant (Freelancer)

    Move 'n Shoot GmbH

  • 12 years
    4 months
    01/2002 - present

    Administration (angestellt - 10.04, Freelancer - jetzt)

    CONTRA Service Productions International S.L.

  • 2 years
    11 months
    04/2011 - 02/2014

    Anwendungsmanager / PHP-Entwickler / LAMP-Administration

    Bank Verlag GmbH

  • 2 years
    5 months
    02/2009 - 06/2011

    (Server- u. Netzwerk-) Administration (Freelancer)

    The Event Department GmbH

  • 1 year
    06/2007 - 05/2008

    (Server- u. Netzwerk-) Administration (Freelancer)

    rend Medien Service GmbH

  • 1 year
    11 months
    11/2004 - 09/2006

    Anwendungsentwicklung u. Administration (bis 10.05, dann Freelancer)

    X-Cell Communications GmbH

  • 1 year
    4 months
    09/2000 - 12/2001

    Werksstudent

    o.tel.o AG

Sebastian Stelmasik's educational background

  • 09/2001 - 06/2010

    FH Dortmund

    Informatik, Dipl. Informatiker

    Praktische Informatik, Abschlussnote 2.0, Diplom 1.0

Languages spoken by Sebastian Stelmasik

  • German

  • English

  • Polish

Sebastian Stelmasik's interests

Sebastian Stelmasik's portfolio

Sebastian Stelmasik's contacts

Sign up now to view Sebastian Stelmasik's contacts.

Other visitors of Sebastian Stelmasik's profile also viewed:

  • Carsten Kümritz Carsten Kümritz

  • Stefan Weyer Stefan Weyer

  • Andreas Steffens Andreas Steffens

  • Frank Schubert Frank Schubert

  • Paul Mizel Paul Mizel

  • Robert Wohlfahrt Robert Wohlfahrt

  • Steve Chen Steve Chen

  • Dr. Konrad L. Zirm Dr. Konrad L. Zirm

  • Claudius Eßer Claudius Eßer

  • Paul Kratz Paul Kratz

  • Daniel Obioma Ubani Daniel Obioma Ubani

  •