Raphael Koebraam
Senior Software Engineer (iOS) at Threema
Switzerland
Summary
🤩
Rockstar🎓
Top SchoolRaphael Koebraam is a senior iOS engineer and founder with over a decade of experience building high-quality Apple platform products and engineering teams across Europe. He combines deep expertise in architecture, TDD, and CI/CD with hands-on skills in backend technologies like Go, TypeScript, and Rust to deliver maintainable, business-aligned solutions. As founder of Zion Creations and former senior roles at WeTransfer, Siilo and Threema, he has led modularization, launched iPadOS support, and driven performance and onboarding automation that measurably improved conversions and resource use. He also mentors engineers and taught iOS best practices as an instructor, bringing a pragmatic, platform-agnostic mindset: “give me the problem, not the language.” Based in Switzerland, Raphael’s background in mechanical design and accessibility-driven projects (notably a WWDC-featured music accessibility app) gives him a practical, user-centered approach to engineering.
11 years of coding experience
14 years of employment as a software developer
Apple Developer AcademyBachelor in Computer Engineering, Bachelor in Computer Engineering at Metrocamp - Grupo IBMECEscola SENAI "Roberto Mange"Escola SENAI "Conde Alexandre Siciliano"
Portuguese, English, Dutch, Hebrew, German
Github Skills (70)
inspect10
scanner10
rxswift10
notification10
swift10
android-apps10
android10
xcodebuild10
ios10
scanning10
reactiveswift9
reactive9
functional9
toast9
observer9
Programming languages (3)
Github contributions (5)
peagasilva/RxSwift
Jul 2016 - Jan 2021
Contributions:2 pushes, 2 branches in 4 years 5 months
reactive-programmingreactiveswiftios
peagasilva/essential-feed-case-study
Dec 2019 - Mar 2021
https://iOSLeadEssentials.com
Contributions:639 commits, 18 PRs, 27 pushes in 1 year 2 months
swiftios
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