iOS Senior Software Engineer

Since our launch in 2012, we've been on a mission: to make digital identification simple and secure for everyone, and everything. In that time, we've expanded constantly, and been joined by over 180 incredible people, all with the same vision. Our technology is now being used by hundreds and thousands of users worldwide, including some of the world's leading financial institutions. And this is just the beginning. Over the next year, Callsign will double in size as we continue our mission to make every web, mobile and physical interaction seamless and secure. We can't do that alone, though. That's why we're looking to hire the brightest, most inquisitive minds out there: the people who want to help us change the rules of identity ­– and have the skills and passion to make this mission a reality. Does that sound like you? Let's talk. Key Responsibilities: Lead and mentor a team of iOS developers in the design, development, and maintenance of iOS applications. Oversee all development projects ensuring they are delivered on time. Design and build advanced applications for the iOS platform using Swift and Objective-C. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Help maintain code quality, organization, and automatization. Continuously discover, evaluate, and implement new technologies to maximize development efficiency. Document all procedures for future reference and keep track of emerging technologies.