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Remote worker in with 10+ years of experience - Last seen

Since 2010 I make iOS apps with Objective-C and Swift. The most interesting app I worked on is HeliEFB and flies in helicopters around the world. My Computer Science degree, volunteering work and side projects complete my profile.

My strongest skills and how I learned them:
I taught myself iOS app development in Objective-C for my high school project. Someone asked me to make an app and my freelancing career started. While studying I did more iOS projects. Currently, my main language is Swift. In addition, I have hands-on experience with Flutter/Dart and I learn fast to solve challenges with new technologies as well.

Remote experience:
I already worked remotely from several European and Asian countries plus Canada. I know that good communication and project management is the key for successful remote work. In fact, I already had to figure out in volunteering roles how to efficiently work online across continents. For example, I co-organized international conferences for JA Alumni Europe during my time in the European Board. In the working groups of OCEANS Network and ESAA members are based in all continents. And I read the "Remote" book from Basecamp.

Other facts about me:
I'm making an iOS app ( as my side project to help people improve their social habits. It's used for things like boosting professional networking to calling grandparents regularly.

I like fasting, triathlon and meditation for my off-screen time.

An iOS app filtering a JSON feed made me fly to 60+ countries at almost no cost.

As a volunteer of JA Alumni I gave more than 100 workshops to teach students entrepreneurship.

Skilled inios swift objective c xcode flutter dart ruby on rails agile sprints c carthage ci circleci cocoapods fastlane functional programming gcd git haskell html instruments js jira json kanban lldb mvvm c python rest ruby sqlite tdd travisci ucd uikit unix ux xcode ui testing xml google app script swiftlint web apis vs code product management aso heroku team leadership stripe pspdfkit unit tests software architecture design patterns data structures algorithms autolayout sql rails swiftui combine 
Fluent in englishgerman
Preferred timezone-3,-2,-1,0,+1,+2,+3,+4,+5,+6,+7,+8,+9,+10
Preferred salary:$/year to $/year

Side Projects

2020 - 2020: Website for a friend

2019 - Now: Amicu (in the App Store)

2018 - 2019:


2019 - Now: Senior iOS Developer @ Chattyco

2018 - 2019: Freelance iOS Developer @ TwoTickets (Contract)

2016 - 2018: Freelance iOS Developer @ HeliEFB (Contract)

2015 - 2016: Freelance iOS Developer @ Mobilversichert (Contract)

2015 - 2015: Freelance iOS Developer @ client

2013 - 2014: Freelance iOS Developer @ Network4Finance (Contract)

2012 - 2013: Freelance iOS Developer @ TonyRomas (Contract)

2012 - 2013: Freelance iOS Developer @ Navendo (Contract)

2011 - 2011: Freelance iOS Developer @ PizzaAlarm (Contract)


2013 - 2013: BSc Computer Science (Scholarship) @ University of Toronto

2012 - 2018: BSc Computer Science @ Free University Berlin

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