Senior .NET Developer – OfficeSuite

Who are we?

MobiSystems is the company behind OfficeSuite and File Commander – both ranked amongst the top 10 Google Play Business apps and installed on more than 300 million devices worldwide. MobiSystems creates and sells its own mobile apps since 2001. It is also the developer and exclusive publisher of a range of best-selling mobile dictionary apps based on data from Oxford University Press, Harper Collins and a few other top publishers.

Currently we have ovеr 150 employees in our headquarters in Bulgaria and offices in the US, Japan and Sweden.



  • Willing to work as UI developer with WPF
  • At least 4 years of experience in .NET/C# software development
  • Proficient in fundamental algorithms and data structures
  • Good understanding of C# asynchronous programming
  • Degree in Informatics, Computer Science, Engineering or equivalent
  • Strong communication skills & willingness to work in a team
  • Strong analytical and problem solving skills
  • Good understanding of English
  • Living in Sofia or willing to relocate


  • Knowledge of Windows Presentation Foundation framework (WPF)


  • Produce top quality code
  • Work closely with product managers and stakeholders to refine requirements
  • Work closely with engineering team members to improve product architecture while maintaining its integrity
  • Friendly working environment in a team of highly motivated people

What do we offer?

  • Competitive remuneration package and benefits
  • Stable full time contract with development opportunities
  • The opportunity to build something that millions of people see and use every day
  • Work at the Headquarters of a product company and have a say in the direction of its products
  • 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
  • Very competitive annual compensation – 50.000 – 150.000 BGN
If you are interested, please send your CV to Only short-listed candidates will be contacted. All applications will be treated with strict confidentiality.