Leonard Hecker
Senior Software Engineer at Microsoft
Dresden, Saxony, Germany
Summary
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Rockstar🎓
Top School
Top expert inMicrosoft Technology Ecosystem Development
Leonard Hecker is a Senior Software Engineer with 13 years of experience building reliable backend and rendering systems, currently contributing to the Windows Terminal and Console at Microsoft. He has a strong history in backend and infrastructure roles (LOVOO, VMware) and early experience as a software engineer in the German Bundeswehr where he optimized logistics software to cut costs. His open-source work includes low-level contributions to Microsoft/terminal’s AtlasEngine renderer and practical fixes to tooling integration in Atom-Beautify, showing comfort with graphics, D3D, process handling and cross-platform quirks. Based in Dresden, he pairs systems-level thinking with pragmatic bug-fixing, especially around platform-specific issues like Windows child process behavior and font/renderer metrics. Colleagues value him for stabilizing tricky subsystems rather than flashy new features, and he prefers targeted, specific outreach over generic recruiting messages.
13 years of coding experience
11 years of employment as a software developer
Information Systems Engineering, Information Systems Engineering at Technische Universität DresdenBachelor of Science - BS, Computer Science, Bachelor of Science - BS, Computer Science at Hochschule für Technik und Wirtschaft
German, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
debugging10
debug10
c-language10
shader10
coffeescript10
beautifier10
formatter10
child-process10
formatters10
text-rendering10
cprogramming-language10
directx10
winapi9
wp-api9
ws-api9
Programming languages (20)
Github contributions (5)
microsoft/terminal
Jun 2019 - Jan 2023
The new Windows Terminal and the original Windows console host, all in the same place!
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3516 reviews, 500 commits, 657 PRs in 3 years 7 months
Contributions summary:Leonard primarily contributed to the development of the AtlasEngine renderer within the Microsoft/Terminal project, implementing support for custom shaders and fixing bugs related to rendering and cursor behavior. Their work involved direct interaction with D3D features, font metrics, and low-level graphical operations. The user's contributions focused on improving the visual quality, performance, and stability of the terminal's rendering engine.
placewslwindows-consolecmdwindows
Glavin001/atom-beautify
Apr 2016 - Jun 2016
:mega: Help Wanted - Looking for Maintainer: https://github.com/Glavin001/atom-beautify/issues/2572 | :lipstick: Universal beautification package for Atom editor (:warning: Currently migrating to https://github.com/Unibeautify/ and have very limited bandwidth for Atom-Beautify Issues. Thank you for your patience and understanding :heart: )
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 2 PRs, 16 comments in 1 month
Contributions summary:Leonard primarily contributed to the codebase by addressing issues related to the execution of external programs within the beautifier. They fixed bugs related to how the application spawned and handled child processes, particularly on Windows systems. They also improved the functionality and integration of specific beautifiers, notably for the `rustfmt` tool, enhancing its ability to work correctly within the project's context. These changes focused on improving the reliability and correct functionality of the beautification process.
patiencemaintainerheartformatterprettifier
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