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 150 incredible people, all with the same vision. We’ve grown in other ways too we raised $35 in our Series A funding round, and launched our game-changing authentication platform.
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 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.
Job Description
- The opportunity to work in a fast-paced environment, where requirements can change overnight and getting things done is as simple as making a case and leading the charge
- Be responsible for writing and maintaining our iOS App and SDK
- Work as part of an amazing team of like-minded individuals with a can-do attitude to change the world
- You have written an iOS app and published on Apple Store
- You have written and maintained iOS frameworks in the past
- You are familiar with the end to end process of iOS app creation
- You have experience working with Test Driven Development and - Continuous Integration principles
- You are proficient in Objective C and Swift
- You have at least 5 years of iOS experience
- You have a strong knowledge of object-oriented design and development best practice
- You have worked with JSON based REST APIs before
- You have experience with GIT and version control
- You are able to estimate, prioritize and execute tasks either by pair programming or single-handedly in a fast paced environment
- You have excellent command of the English language
Skills and Requirements Bonus points for:
- BSc or MSc in Computer Science or related degree from a top university
- You have experience working with Test Driven Development and - Continuous Integration principles
- You have experience writing SDKs for use in other apps
- Familiarity with cryptography and tamper detection techniques
- You are comfortable with C.
- You have used Swift in your previous projects or have some hands-on experience
- Experience implementing internationalization
- Practical knowledge of functional test automation
- An inherent need for tea and biscuits
Requirements
Skills and Requirements Bonus points for:
- BSc or MSc in Computer Science or related degree from a top university
- You have experience working with Test Driven Development and - Continuous Integration principles
- You have experience writing SDKs for use in other apps
- Familiarity with cryptography and tamper detection techniques
- You are comfortable with C.
- You have used Swift in your previous projects or have some hands-on experience
- Experience implementing internationalization
- Practical knowledge of functional test automation
- An inherent need for tea and biscuits