Bernd Mathiske
Seattle, Washington, United States
Summary
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RockstarBernd Mathiske is a seasoned software engineer and systems architect with over 30 years of experience and a 12-year recent emphasis on cloud, runtimes and VM engineering, currently working at Apple after leading runtime and OpenJDK efforts at AWS. He has driven large-scale performance, security and observability work—founding the Generational Shenandoah GC project for Java—and previously built research-grade JVMs (Maxine) and led language/runtime groups at Adobe and Sun Labs. Bernd combines deep research credentials (PhD in Computer Science) with hands-on contributions to high-profile open source like Apache Mesos, where he improved build stability, web UI and fetcher robustness. Known for tackling hard platform problems—startup time, footprint, concurrency races and compiler/toolchain portability—he balances technical leadership with practical implementation. Now retired and selective about engagements, he remains open to collaborative projects that match his systems-level expertise.
12 years of coding experience
Github Skills (9)
mesos10
c-language10
cprogramming-language10
clangd9
clang9
build-automation9
docker8
dockers8
hadoop7
Programming languages (2)
Github contributions (5)
apache/mesos
Feb 2014 - Nov 2015
Apache Mesos
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:15 commits in 1 year 9 months
Contributions summary:Bernd contributed to the Apache Mesos project by enhancing core functionalities and addressing compilation issues. Their work included adding a hostname attribute to the framework, which involved modifying C++ code and updating the web UI. Additionally, the user patched glog to compile with clang and fixed compile errors in stout and mesos with Clang 3.5 on Ubuntu 13.10, improving build stability. Moreover, they addressed issues in mesos-fetcher, resolving a race condition and implementing better file caching.
apachebig-datacloudmesosjava
mesosphere/mesosaurus
Feb 2014 - Mar 2016
Contributions:31 commits, 5 PRs, 6 pushes in 2 years 1 month
performance-analysissimulationsimulatorperformancemesos
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