Ben Stewart

Overview

I lead mobile apps at Hollow Robotics in Melbourne. Cut cold-start time on low-end Android phones by 38%. Shipped a rewrite that took build times from 40 minutes to under 3. Before that: OCBC and Lenovo. Most at home with Kotlin and Coroutines. Into vintage synthesizers.

Experience

1. CTO

   Apr 2024 - Present
   Hollow Robotics · 2 yr 6 mo · Full-time · Melbourne, Australia
   • Built the experimentation framework 34 product teams use to ship changes safely.
   • Brought on-call pages for Android down from 39 a week to 2.
2. Engineering Manager

   Jul 2020 - Apr 2024
   OCBC · 3 yr 9 mo · Full-time · Melbourne, Australia
   • Cut p99 latency on the Android services from 356ms to 131ms.
3. Senior Android Engineer

   Jul 2017 - Jul 2020
   Lenovo · 3 yr · Full-time · Melbourne, Australia
   • Brought on-call pages for Android down from 26 a week to 1.
4. Android Engineer

   Jul 2014 - Jul 2017
   Meta · 3 yr · Full-time · Melbourne, Australia
   • Moved 62% of Android traffic off a legacy monolith without a customer-facing incident.
   • Shipped a rewrite that took build times from 32 minutes to under 3.
5. Android Engineer

   Oct 2013 - Jul 2014
   LG Electronics · 9 mo · Full-time · Melbourne, Australia
   • Brought on-call pages for Android down from 25 a week to 2.

No references yet.

Education

1. Vietnam National University

   BSc, Computer Engineering
   2008 - 2012