Experienced iOS SWIFT Developer – Media365


Media365 is an online service for publishing and reading eBooks and a subsidiary of MobiSystems (Mobile Systems) - a product development company that creates and sells its own mobile apps since 2001.

MobiSystems’ "smaller" apps like Aqua Mail and PDF Extra have 5 million downloads, the bigger ones like the Oxford Dictionary of English - over 50 million, and its biggest apps like OfficeSuite - over 100 million downloads.

Currently, MobiSystems has over 150 employees in Sofia and offices in San Diego, Stockholm, London & Tokyo



The Media365 Reader app for iOS is a key part of the overall platform, that also consists of the Media365 Android App (5M downloads), a cloud-hosted backend, a public site and a publisher portal.

We are looking for an Experienced iOS Swift developer to join our 10-person team and evolve and enhance this application with the many new features planned for it.


  • 3+ years of experience with iOS development of apps with complex UX requirements
  • Proven ability to quickly comprehend and evolve an existing code base in a practical manner
  • Strong OOP skills, good understanding of Clean Architecture and SOLID principles
  • MSc or BSc in Informatics, Computer Science, Engineering or equivalent
  • Good understanding of English

Technologies & Tools used:

  • Swift, Clean Architecture based on VIPER, REST, Alamofire, Firebase, Google APIs, Crashlytics, AdMob
  • Bitbucket, Bamboo, JIRA (Kanban), Zeplin


  • The flexibility and excitement of working for a small company (Media365), combined with the financial security and benefits of a larger company (MobiSystems)
  • The opportunity to work at the Headquarters of a product company and have a say in the direction of one of its products
  • Working with the latest iOS frameworks and technologies in a well-structured development process
  • Motivational atmosphere with flexible working time; no overtime and no artificial deadlines
  • Great location–right next to a metro station, Paradise Center
  • Multiple secondary benefits: additional health insurance, sport cards, extra days off, home office, etc.
If you are interested, please send your CV to jobs@media365.com. Only short-listed candidates will be contacted. All applications will be treated with strict confidentiality.