Marcus Kazmierczak
VP, R&D at Hatch
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolMarcus Kazmierczak is a seasoned software leader with 15 years of experience directing R&D and engineering teams, currently serving as VP, R&D at Hatch in San Francisco where he focuses on improving sleep and rest products. He previously led teams at Automattic and held senior engineering roles at BabyCenter and E*TRADE, blending product-driven engineering with operational rigor. Marcus spans front-end and back-end work—contributing to major open-source projects like WordPress Gutenberg and Jetpack while also authoring practical developer tools such as the terminal graphing utility termgraph. He has a track record of shipping UX-focused blocks, cross-platform desktop improvements, and backend tooling, demonstrating comfort across JavaScript, Python, and Go. Known for refactoring and build-process modernization, he often tackles the unglamorous but crucial plumbing that makes products reliable and maintainable. Based in the Bay Area with a BA from CSU Sacramento, he pairs long-form technical craftsmanship with leadership that scales teams and systems.
15 years of coding experience
23 years of employment as a software developer
B.A., B.A. at California State University, Sacramento
Stackoverflow
216reputation
10kreached
4answers
2questions
Github Skills (56)
editors10
javascript10
image-comparison10
electron10
python10
text-manipulation10
css10
wordpress10
graph10
linux10
blocks10
s610
editor10
sc10
argparse10
Programming languages (15)
Github contributions (5)
mkaz/working-with-go
May 2014 - Feb 2020
A set of example golang code to start learning Go
Role in this project:
Back-end Developer
Back-end DeveloperContributions:107 commits, 13 PRs, 44 pushes in 5 years 9 months
Contributions summary:Marcus appears to be a back-end developer contributing to a Go-based project. They made significant updates to the codebase focusing on functions, control structures, slices, and strings, indicating a focus on core language features and logic. Their work also includes file I/O operations, demonstrating a capability to handle data persistence. Finally, the user added examples related to command line arguments and regex.
gogolang
mkaz/termgraph
Sep 2012 - Sep 2021
A Python command-line and library that draws basic graphs in the terminal
Role in this project:Back-end Developer
Back-end DeveloperContributions:18 releases, 3 reviews, 124 commits in 9 years 1 month
Contributions summary:Marcus primarily contributed to the development of a Python command-line tool for drawing graphs in the terminal. Their work involved adding features like width and custom tick marks, as well as fixing how arguments were passed to the chart function. They also refactored the code, added a calendar heatmap chart, and addressed some display issues. Additionally, the user improved the project by incorporating features for horizontal and vertical graph displays.
command-linepython
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