Position: Senior iOS Developer
Category: iOS
English level: upper
Years of experience: 5

Being able to maintain code base with 98 percent of code covered by tests.
I've been involved in more than 15 different projects with various purposes of use. Mostly I worked as a team member and participated in projects like built from scratch as well as apps that are already on market and have to be supported and extended with new features. My last work experience is heavily used app with more than 1 million month users and a team consisted of 40+ developers. To support such product we had to maintain more than 95% code base covered by unit testing as well as integration testing.
A team of professionals.