MacOS Developer for Coronet

Kyiv, Amosova, Lviv, Odessa, Remote


Coronet is the fastest-growing security company for small and medium businesses (SMBs) in the US. We provide security-as-a-service for SMBs powered by AI and Cloud with a cloud security platform that protects private data stored in the cloud.

So, if a company is using Office365, Google Drive, Or Dropbox, Coronet makes sure that data stays secure through multiple layers of protection.

We are one of only a few companies in the world providing this service. In just 15 months since product launch, we gained more than 2.5M users in 1,900 companies, partnering with global brands such as Dropbox, Lenovo, T-Systems among others.

Read more about the client


On behalf of Coronet, Ciklum is looking for a MacOS Developer who can help design, implement and extend our Mac Endpoint security solution. 

You will be responsible for implementation of middleware and UI components and their architecture.



  • Perform research and implementation of future Mac OS solution within the company
  • Be responsible for implementation of middleware (like background daemons) as well as frontend (native mac OS UI) components and their architecture
  • Performance analysis and tuning experience including memory usage, CPU utilization, leak checking
  • Create and maintain unit and integration tests related to his work area
  • Collaborate with QA teams and other departments within organization to accomplish setup tasks and goals
  • Produce technical documentation covering his area of engineering


  • MacOS related programming languages knowledge and experience  (Swift, Objective C, C/C++, C#)
  • Good understanding of Cocoa and XCode 11
  • Proficient in inter-process communication (XPC)
  • Good understanding of multithreading challenges and the ways to mitigate them
  • Debugging and troubleshooting skills
  • Performance analysis and tuning experience including memory usage, CPU utilization, leak checking
  • Highly self-motivated to create reliable, performant programs
  • Excellent communication and learning skills
  • Good command of English



  • AWS, or any other cloud platform
  • Kibana, grafana, linux bash and shell scripting
  • Experience with selenium framework, headless browsers, appium, and selenium grid

What's in it for you

  • Working with the latest technologies
  • Competitive salary
  • Medical insurance
  • Long-term employment with 20 working-days paid vacation and other social benefits
  • Business trips to Israel