Social Media Marketing Expert - eBooks Platform

Who are we?

Media365 is an online platform for publishing and reading eBooks: https://www.media365.com and a subsidiary of MobiSystems (Mobile Systems) - a product development company that creates and sells its own mobile apps since 2001.

MobiSystems is the developer and exclusive publisher of a range of best-selling mobile dictionary apps based on data from Oxford University Press, Harper Collins and other top publishers. Currently we have ovеr 150 employees in our headquarters in Bulgaria and offices in the US, Japan and Sweden.

Who are we looking for?

We are looking for our first Digital Marketing Expert who can tell the world about the Media365 eBooks platform, help users find relevant content and convert them to paid subscribers.


  • Create, execute and manage paid marketing campaigns on the largest ad networks - Facebook, Instagram, Google, YouTube, Apple
  • Analyze data from various Analytics tools to track performance and create reports (campaign results, conversion rates, traffic, etc.)
  • Manage campaign expenses, stay on budget and generate a positive ROI
  • Work with internal teams and external agencies to create the necessary marketing assets - screenshots, graphics, videos, etc.


  • 2+ years of proven track record in digital marketing with focus on Facebook and Google (PPC).
  • Excellent analytical skills and mastery of digital marketing tools such as Facebook Ads Manager, Google Ads Manager, Google Analytics, Firebase, Adjust/AppsFlyer, etc.
  • Education in the field of marketing or a related field of study
  • Very good written English (level B2 or higher)
  • Living in Sofia or willing to relocate

What do we offer:

  • The flexibility and excitement of working for a small company (Media365), combined with the financial security and benefits of a larger company (MobiSystems)
  • A lot of autonomy, flexible working time, no overtime and no artificial deadlines
  • Multiple secondary benefits: additional health insurance, sport cards, extra days off, home office, etc.
  • A great location – right next to a metro station, Paradise Center and the best park in Sofia
  • Salary indication: 2.000 - 4.000 BGN (after taxes)
If you are interested, please send your CV to jobs@mobisystems.com. Only short-listed candidates will be contacted. All applications will be treated with strict confidentiality.