About DuReef

Company overview

Read the full DuReef story here: Learning, Relationships, and Engineering focus areas, a founder note from Taipei, and how Cloud Coach Atlas and People Circles fit.

Our first products are Cloud Coach Atlas, which helps people navigate technical certification without getting lost in scattered resources, and People Circles, a private tool for maintaining the relationships that matter.

Marko is a backend and cloud engineer who builds from problems he encounters himself. DuReef combines practical engineering, careful product thinking, and a long-term interest in technology that improves people’s lives.

  • Learning

    Clear guidance through complex technical skills.
  • Relationships

    Private tools for maintaining meaningful connections.
  • Engineering

    Reliable backend, cloud, and automation behind every product.