Alexander Steinhauer

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My Work

All Quiet

06/2024 - present

Incident management made easy.

AllQuiet iOS Login
AllQuiet iOS Overview
AllQuiet iOS Chat
  • Redesigned major parts the iOS app for a more native experience.
  • Over 100% more app users since the redesign.
  • Reduced cold start time by over 50%.
  • Ported the app to Swift 6, enabling full concurrency checking and eliminating race conditions.
  • Removed over 1000 LoC, reducing the app's complexity.

Check24

09/2021 - 10/2023

Germany's leading price comparison platform, helping millions find the best deals across insurance, travel, and consumer products.

Check24 iOS Price Alarm
  • Designed and developed an overlay in UIKit, allowing eager users to report bugs by recording their screen or taking screenshots.
  • Developed the activity score screen, which is a measure of how active they are on the platform.
  • Developed the price alert screen, which notifies users when the price of a product drops below a certain threshold.
  • Ported views to SwiftUI, reducing the amount of code needed to maintain the app.
  • Designed and developed dev tools, e.g. a network logger and a view hierarchy inspector.

iFactoryPilot - TUM x Siemens

04/2024 - 08/2024

A collaboration between the Technical University of Munich and Siemens to develop a native interface for factory workers to interact with automated guided vehicles.

Siemens iFactoryPilot Home
Siemens iFactoryPilot Chat
Siemens iFactoryPilot Shortcut
  • Lead the development of the iOS app in a team of 6
  • Designed and developed the home screen, chat, and shortcut views.
  • Developed a RAG-powered chatbot using a self-hosted LLaMA 3.0 70B instance.

MPG Vertretungsplan

2016 - 2022

An Android app for students at the Max-Planck-Gymnasium NĂ¼rtingen to check their timetable and substitute teachers.

  • Used by over 400 students and parents within 30 days