Daniel Kohler

S

Senior iOS Engineer at Nokia · IOS apps · XCTest, Core Data

Nokia
Berlin, Germany · CET (UTC+1)
8+ years experience
École Polytechnique
English, German
Messaging unavailable

Overview

Currently at Nokia, where I work on iOS apps. Rebuilt onboarding in SwiftUI and lifted day-one retention 10%. Most at home with Core Data and Swift. Weekend cricket, weekday chai.

Good reasons to reach out
  • Speaking or podcast invitations
  • Questions about iOS apps
  • Thoughtful intros to people in my field
Please don't message about
  • Unpaid work or spec projects
  • Agency or outsourcing pitches

Replies on weekday evenings

Skills
CombineSwiftCore DataXCTest

Experience

  1. Senior iOS Engineer
    Jan 2024 - Present
    Nokia · 2 yr 9 mo · Full-time · Berlin, Germany
    • Took crash-free sessions from 97.1% to 99.6%.
    • Reduced cloud spend on iOS by 33% in two quarters.
  2. iOS Engineer
    Jun 2022 - Jan 2024
    SAP · 1 yr 7 mo · Full-time · Berlin, Germany
    • Reduced cloud spend on iOS by 45% in two quarters.
  3. iOS Engineer
    Feb 2020 - Jun 2022
    Microsoft · 2 yr 4 mo · Full-time · Berlin, Germany
    • Shipped 18 launches on the iOS team without a rollback.
  4. iOS Engineer
    Oct 2018 - Feb 2020
    McKinsey & Company · 1 yr 4 mo · Full-time · Berlin, Germany
    • Moved 61% of iOS traffic off a legacy monolith without a customer-facing incident.
    • Shipped 8 launches on the iOS team without a rollback.

References

No references yet.

Education

  1. École Polytechnique
    Ingénieur, Information Technology
    2014 - 2018

Details

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