Mobile Apps Designer

Who are we?

MobiSystems is a product development company that creates and sells its own mobile apps since 2001.

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

Currently, we have over 150 employees in Sofia and offices in San Diego, Stockholm, London & Tokyo


What are we looking for?

We are looking for an experienced Mobile Apps Designer to own and evolve one or more of the following products - PDF Extra (Android), Oxford Dictionary of English (Android and iOS), Talk & Translate (Android and iOS), Aqua Mail (Android)

This is a quite a diverse portfolio that will present you with many design challenges.


What will you do?

  • Collaborate closely with product managers to transform ideas and designs into actual software.
  • Create prototypes and high-fidelity designs.
  • Deliver all production assets & design specifications required by developers – images, icons, colors, dimensions, resolutions, etc.
  • Verify that all visual elements have been implemented as designed, including pixel-level quality checks.
  • Work on multiple projects at the same time.
  • Work together with marketing team to produce the creatives for the products you own.

What experience we are looking for:

  • A portfolio of beautiful and practical interface designs. We are very interested in your process, not just final results
  • 2+ years experience in mobile app design
  • Someone who can take constructive feedback like a pro
  • Experience with different design tools. (We use Adobe CC, Sketch, Framer, Balsamiq, Zeplin and others as needed.)
  • Bachelor’s degree or equivalent in Graphic Design, Animation, or a related field
  • Drawing skills
  • Bonus points for experience with usability testing. (We are using
  • Bonus points for experience in a design leadership role

As part of our team, you will:

  • Work at the Headquarters of a product company and have a say in the direction of its products
  • Have the ability to present your ideas in a truly flat organization: one that gives you equal chances with experienced colleagues
  • Have a lot of autonomy, flexible working time, no overtime and no artificial deadlines
  • Work at a great location – right next to a metro station, Paradise Center and the best park in Sofia
  • Have access to multiple secondary benefits: additional health insurance, sport cards, extra days off, home office and more
If you are interested, please send your CV to Only short-listed candidates will be contacted. All applications will be treated with strict confidentiality.