Cornelius Horstmann

Senior iOS Developer
Mobile Team Lead
Head of Technology

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  • Qualifications

    • Pragmatic and efficient professional with over nine years in information technology
    • Multiple years of experience in a business management role aligning business goals with technical solutions
    • Implementing workflows and procedures for better team productivity and cost efficiency
    • Proven track record directing IT projects from inception to production with on time and on budget delivery
    • Professional technical support and diligent troubleshooting
    • Communicating technical issues to non technical colleagues and customers
  • Expertise

    • Application Development
    • Software Development Lifecycle
    • Project Management
    • Release Management
    • Team Building and Leadership
  • Technical Proficiencies

    • Swift
    • Objective-C
    • CI/CD (esp. Jenkins & Fastlane)
  • Languages

    • German, native
    • English, fluent

Professional Experience

  • Freelancer

    2018 - Ongoing
    • Technical Project Management
    • Swift and iOS coaching
    • iOS development in Swift and Objective-C
  • Partner & Head of Technology

    TBO INTERACTIVE GmbH & Co. KG 2013 - 12.2017
    • Buildup of a mixed developer team for iOS, Android, and Web
    • Realization of multiple, long running B2B and B2C iOS and Android Projects
    • Technical Project Management
  • Founder, Partner

    apfelbaumGROUP UG 2009 - 2013

Projects

  • Mein VfB iOS & Android App

    for Prepublic Berlin 06.2018 - 08.2018
    • Technical Project Management for a B2C iOS and Android Application
    • Development of a Swift, Web-Hybrid iPhone Application
    • Technical and Conceptual Consulting
  • Undisclosed Project

    for Bright Solutions GmbH 04.2018 - Ongoing
    • Technical Project Management for a B2B iPad Application
    • Technical and Conceptual Consulting
    • Swift and iOS Coaching of a mixed team of three developers
  • Undisclosed Project

    for Proctic GmbH 03.2018 - Ongoing
    • Technical Project Management for a B2B iOS Application in a highly distributed and international team
    • Establishing new Development Workflows to improve efficiency and code quality
  • Antenne Bayern iOS and Android App

    for ANTENNE BAYERN GmbH & Co. KG 01.2017 - 12.2017
    • Technical Concept
    • Technical Project Management
    • Development of a High Traffic iOS and Android Application
    • Development of a highly efficient and integrated mobile backend
  • Artomat iPhone App

    for Staatliche Kunstsammlungen Dresden 01.2015 - 10.2015
    • Technical Concept
    • Technical Project Management
    • Development of an award winning iPhone Application
  • Handelsblatt 10 iOS and Android App

    for Handelsblatt GmbH 07.2014 - 12.2017
    • Technical Concept
    • Technical Project Management
    • Development and Maintenance of an award winning iPhone Application
  • wetter.com iOS and Android App

    for wetter.com GmbH 07.2014 - 12.2017
    • Technical Concept
    • Technical Project Management
    • Development of a High Traffic iOS and Android Application

Open Source Projects

  • Matomo (former Piwik) iOS SDK

    Matomo is the only analytics platform that gives you full control over your data and more.

    • Maintainer & Core Developer of the iOS SDK