Mark Eissler
Principal at Bunker Five Systems
Austin, Texas, United States
Summary
👤
Senior🎓
Top SchoolMark Eissler is a Principal software engineer based in San Francisco with over 12 years of professional experience and two decades total in technology, blending hands-on development, DevOps, and platform architecture. He has led full-stack and infrastructure efforts across startups and product companies—shipping backend services in Go, Node.js, Swift Vapor, Ruby, and C/C++, and operating cloud-native deployments on AWS and GCP with Terraform and Kubernetes. Mark routinely serves as a technical lead and mentor, improving deployment pipelines, reducing release times, and introducing Docker-based workflows and IaC across organizations. His background spans healthcare diagnostics, fintech, remote-desktop consumer software, and email security, showing an ability to translate regulated-domain requirements into practical, reliable systems. Notably, he combines product-minded engineering with a long history of building tooling and small products (from macOS utilities to open-source gems), reflecting an entrepreneurial knack for turning ideas into production-ready platforms.
12 years of coding experience
24 years of employment as a software developer
UMBCBS, Computer Science, BS, Computer Science at University of MarylandToronto Metropolitan University
English, German, French
Stackoverflow
649reputation
1.5mreached
16answers
0questions
Github Skills (141)
windows10
ruby10
command-palette10
milter10
libary10
editor10
password-policy10
dependency-manager10
git10
electron10
typescript10
changelog10
windows-subsystem-for-linux10
visual-studio-code10
microsoft10
Programming languages (12)
Github contributions (5)
markeissler/Xcodebump
Apr 2014 - Aug 2016
Contributions:108 commits, 17 pushes, 1 branch in 2 years 4 months
markeissler/gvm2
Sep 2016 - Jan 2018
Go enVironment Manager - Revision 2 (GVM2)
Contributions:342 commits, 2 PRs, 48 pushes in 1 year 3 months
go
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