Senior Mobile Application Developer for iOS

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.



  • Experience with Objective-C;
  • Experience with Swift;
  • C++ professional experience will be considered a significant advantage;
  • Strong analytical and problem solving skills;
  • Good understanding of English;
  • Strong communication skills & willingness to work in a team;
  • Degree in Informatics, Computer Science, Engineering or equivalent.
  • Living in Sofia or willing to relocate.


  • 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;
  • Support and coach junior engineers;
  • Work at the Headquarters of a product company and have a say in the direction of its products.

What do we offer?

  • Stable full time contract with development opportunities;
  • The opportunity to build something that millions of people see and use every day;
  • Friendly working environment in a team of highly motivated people;
  • A lot of autonomy, flexible working time, no overtime and no artificial deadlines;
  • Very competitive annual compensation – 50.000 – 150.000 BGN;
  • 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.
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.