Simon Sobisch
Product Technology Development DACH at Objectway
Radeberg, Saxony, Germany
Summary
🤩
RockstarSimon Sobisch is a Product Technology & Development lead for DACH who helps modernize COBOL landscapes by driving migrations to GnuCOBOL and free DB precompilers. He brings a decade of hands-on experience in C/C++, bison/flex and autotools, with a disciplined focus on automated testing and high coverage as the foundation for safe performance and design improvements. Simon performs deep performance evaluations across compiler/runtime, core design, application layers and DB access libraries, and collaborates cross-team to deliver pragmatic refinements. An active open-source contributor, he has improved systems tooling and packaging—contributing fixes to the rr record-and-replay debugger and to MSYS2/MINGW build scripts—demonstrating strength in debugging, build automation and cross-platform releases. He continues to hack free software (especially GnuCOBOL) in his spare time while juggling family life, and is available for consultancy on migrations and performance optimisation.
10 years of coding experience
15 years of employment as a software developer
German, English
Stackoverflow
6,840reputation
305kreached
210answers
19questions
Github Skills (28)
debugging10
mingw-w6410
debug10
c-language10
msys210
system-programming10
package-management10
scripting10
reverseengineering10
testing10
linux10
gdb10
script10
reverse-shell10
build-automation10
Programming languages (38)
Github contributions (5)
msys2/MINGW-packages
Nov 2017 - Jan 2023
Package scripts for MinGW-w64 targets to build under MSYS2.
Role in this project:
Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:16 reviews, 30 commits, 34 PRs in 5 years 3 months
Contributions summary:Simon primarily focused on updating and improving the build processes for the MinGW-w64 packages within the MSYS2 environment. This involved fixing dependencies, incorporating external libraries, and enhancing build scripts to incorporate automated tests. The contributions also included updating package scripts to integrate new versions and features, like changes in the GnuCOBOL package, and adapting build configurations for different target environments like WinCon.
targetsmingwmsys2package-scriptsmingw-w64
rr-debugger/rr
May 2021 - Jul 2022
Record and Replay Framework
Role in this project:Back-end Developer / System Engineer
Back-end Developer / System EngineerContributions:7 reviews, 8 commits, 29 PRs in 1 year 1 month
Contributions summary:Simon's contributions primarily involve enhancing the `rr-debugger` project's functionality and maintainability. They implemented fixes and improvements to core components, like GDB command handling, thread synchronization, and environment variable settings. Key modifications addressed compilation issues, resolved potential bugs, and optimized performance within the debugging framework. Furthermore, the user added test suite enhancements for improved cross-platform behavior.
replaylinuxperformancerecord-and-replaydebugger
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