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Steffen Bartels

Selbstständig, Geschäftsführer, Tentonix GmbH

Hannover, Deutschland

Skills

Timeline

Professional experience for Steffen Bartels

  • Current , since Jan 2020

    Geschäftsführer

    Tentonix GmbH

  • Current , since Jan 2007

    Web-Entwickler

    Freelancer

    • PHP/MySQL- und Node.js-Entwicklung • Online-Marketing • Social Media Marketing

Languages

  • German

    First language

  • English

    Intermediate

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