We are looking for a passionate iOS Engineer to join our Teltech team in Croatia. The iOS Engineer will play a critical role in building out functionality and supporting our existing and future iOS applications. The right candidate will be excited by the prospect of optimizing our current process and applications. The ideal candidate is detail-oriented and has a drive to make products better every day.


  • Design and build advanced applications for the iOS platform
  • Collaborate with cross-functional teams to define, design, and ship new features
  • Work with outside data sources and APIs
  • Unit-test code for robustness, including edge cases, usability, and general reliability
  • Work on bug fixing and improving application performance
  • Continuously discover, evaluate, and implement new technologies to maximize development efficiency
  • Ensure documentation is up to date and knowledge is shared cross functionally


  • Clear and proactive communicator 
  • Proven software development experience and iOS skills development
  • Proven working experience in iOS app development 
  • Published apps in the iOS App Store
  • Experience with Swift and the iOS SDK
  • Experience working with remote data via REST and JSON
  • Experience with third-party libraries and APIs
  • Desire to keep up and learn the latest frameworks and technologies
  • Solid understanding of the full mobile development life cycle
  • Experience with Agile methodologies
  • Experience with MVVM


  • Working knowledge of design tools like Zeplin, Figma, etc.
  • Experience with the CallKit framework or VoIP on iOS
  • CI/CD experience

What we offer

  • Freedom to make bold plans, generate buy-in, and go execute those plans with your team
  • A safety net to make mistakes and learn from them (failure isn’t fatal)
  • Competitive salary & bonus structure
  • Top of the line Apple hardware to equip you to do your best work
  • Continuous opportunities to grow, through professional & personal development, and a bias for internal promotion and growth that we’ve demonstrated for years.

Mosaic Group is a mobile app developer with an award-winning portfolio of brands and products—including iTranslate, RoboKiller and Blossom. We build and acquire best-in-class mobile applications, providing creators with a platform to reach global audiences along with the inspiration, support and resources to innovate new products. Owned and operated by IAC (NASDAQ: IAC), Mosaic Group is a global company headquartered in New York City with offices across the US as well as Austria, Belarus, Croatia and Ireland. Learn more at www.mosaic.co.

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