Build your app from concept to launch. I can build the server components as well. I can coach you through these steps to have the best app possible.


I can join your team on site in NYC to contribute to your process in your codestyle, I have experience working with code developed by others. I can maintain your existing applications and add missing features.

Learn iOS

Building software is fun! I offer one-on-one coaching sessions to teach the basics of programming or advanced iOS.


Dan Cogan-Drew, CPO at Newsela

"Daniel got along very well with our team and did meaningful work towards helping us to complete our app."

Cliff Hazelton, CTO at Stash Invest

"Dan is a dependable employee and a hard worker. During his time at Stash, he has delivered quality code as a member of the iOS team. He has worked seamlessly on a number of high-value epics and features while delivering in a timely fashion. He was involved in a number of projects, including a complete re-write of our iOS mobile app using the VIPER pattern. More recently, Dan has worked as an iOS engineer on our Growth team. He works closely with the Stash Marketing department and his experience as a senior engineer has allowed the team to move quickly while producing quality software with high test coverage."

About Me


Real Time Subway Arrivals for New York City. Download it on the App Store!


Over 12 years of diverse experience. From Python to Angular to Java. Rails and RubyMotion. Swift and Objective-C. Server-side Swift, Docker and Kubernetes.

iOS Dev Thoughts

My blog of short notes on iOS Development.


I'd love to hear from you.