Nils Grabenhorst
Senior Software Engineer at Freelance
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolNils Grabenhorst is a Senior Software Engineer based in Berlin with over a decade of professional iOS development experience and a strong background in Swift, Xcode and Apple frameworks including SwiftUI, CoreData and the newer SwiftData. He has led and scaled iOS teams through roles from Senior Engineer to Director of Product Engineering at SinnerSchrader and most recently supported product work at Accenture Song before returning to freelance. Nils is passionate about crafting accessible, high-performance mobile experiences and takes pride in shipping clean, production-ready code. Recently he dove into Swift’s Strict Concurrency changes and helps teams migrate to Swift Concurrency, blending hands-on implementation with forward-looking language expertise. His earlier training in architecture informs a design-minded approach to engineering, balancing user experience, maintainability and technical rigor.
11 years of coding experience
19 years of employment as a software developer
Master of Architecture - MArch, Architecture, Master of Architecture - MArch, Architecture at HSB Hochschule Bremen – City University of Applied SciencesBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Freie Universität BerlinDipl. Ing. (FH), Architecture, Dipl. Ing. (FH), Architecture at The Bremen University of Applied Sciences
German, English, Japanese
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (4)
swift7
ios6
chat3
messaging2
Programming languages (1)
Github contributions (5)
nilsgrabenhorst/mogenerator
Feb 2016 - Feb 2017
Contributions:3 pushes, 1 branch in 11 months
nilsgrabenhorst/nilsgrabenhorst.github.io
Feb 2025 - Mar 2025
Contributions:8 pushes, 1 branch in 1 month
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