John Goerzen is a hands-on technology leader with 22+ years building and operating large-scale, high-reliability systems across cloud, networking, and OS layers—most recently leading Fabric SRE for MongoDB Atlas and formerly driving global load-balancer reliability at Google Cloud. He combines deep systems expertise (Linux/Unix, C, Rust, Haskell, VOIP) with proven program and team-building skills, having bootstrapped architectures, ports, and multi-continent engineering teams that delivered petabyte-scale storage and revenue-critical services. An active Debian developer and contributor to the widely used Haskell bytestring library, he pairs open-source craftsmanship and documentation with production-grade operational rigor. Beyond engineering, he’s led nonprofit governance and emergency-response volunteer efforts, reflecting uncommon experience in organizational turnaround and community service. Colleagues rely on him for pragmatic, security-minded solutions to the hardest technical and leadership problems.
22 years of coding experience
28 years of employment as a software developer
Bachelor’s Degree, Computer Science, Bachelor’s Degree, Computer Science at Wichita State University
An efficient compact, immutable byte string type (both strict and lazy) suitable for binary or 8-bit character data.
Role in this project:
Back-end Developer
Contributions:7 commits in 1 day
Contributions summary:John primarily focused on improving the Haskell `bytestring` library. Their contributions involved fixing compilation issues related to the Hugs compiler, correcting documentation inaccuracies, and adding Haddock documentation. They also made adjustments to the code to reflect the availability of the library on Hugs. The contributions appear focused on making the library more robust and well-documented, enhancing its usability.
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John Goerzen - Lead, Site Reliability Engineering at MongoDB