Mark Liederbach
Staff Software Engineer at Zendesk
Madison, Wisconsin, United States
Summary
👤
Senior🎓
Top SchoolMark Liederbach is a Staff Software Engineer with 11 years of experience building cloud-native, secure, and scalable infrastructure at Zendesk from Madison, WI. He focuses on DevSecOps and SecDevOps practices—automating IAM, vulnerability management, and compliance-as-code across Kubernetes and AWS pipelines. Prior to Zendesk he led large-scale network management and monitoring efforts at TDS, architecting systems that managed 100,000+ devices and hundreds of operational reports. An active open-source contributor, he helped evolve tflint’s rule configuration and CLI to make Terraform linting more flexible and user-friendly. Known for partnering across engineering and security teams, he blends hands-on backend engineering with pragmatic security stewardship and operational rigor.
11 years of coding experience
9 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science and Mathematics, Bachelor of Science (B.S.), Computer Science and Mathematics at University of Wisconsin-Whitewater
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
terraformer10
command-line-interface10
configuration-management10
go10
terraform10
cli10
testing9
Programming languages (9)
Github contributions (5)
terraform-linters/tflint
Aug 2020 - Aug 2020
A Pluggable Terraform Linter
Role in this project:
Backend Engineer
Backend EngineerContributions:12 commits, 1 PR, 5 comments in 7 days
Contributions summary:Mark primarily contributed to the `tflint` project by implementing and refining its rule configuration and command-line interface. They added new features, such as the "explicit rules mode," and refactored existing functionality like the `--only` option, ensuring the correct application and merging of rule configurations. Their work also involved modifying and testing configuration loading and merging behaviors, enhancing the overall usability and flexibility of the tool.
linterterraformtflint
markliederbach/auth-server
Nov 2020 - Nov 2021
Fun little JWT auth provider written in Go
Contributions:1 release, 3 reviews, 3 PRs in 1 year 1 month
auth-providergojwt
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.