Zac Bentley
Digital Services Expert at United States Digital Service
Boston, Massachusetts, United States
Summary
👤
Senior🎓
Top SchoolZac Bentley is a Digital Services Expert and seasoned SRE with a decade of experience designing and operating high-throughput, resilient cloud platforms from Boston. He led the migration from Celery/RabbitMQ to a custom asynchronous Python framework on Apache Pulsar at Klaviyo, enabling millions of requests per second, and served as incident commander for hundreds of production incidents. Zac blends deep systems engineering (Kubernetes, Terraform, EKS, NVMe/EBS tuning) with pragmatic developer experience improvements—cutting new-hire setup time from days to under an hour and refactoring legacy “cowboy code.” An active open-source contributor, he improved pipenv’s environment and installer handling to make Python workflows more reliable. He brings rare hands-on troubleshooting at scale plus structured mentorship and hiring work that helped grow teams from dozens to thousands.
10 years of coding experience
9 years of employment as a software developer
B.A. Politics minor in Computer Science, B.A. Politics minor in Computer Science at Willamette University
Stackoverflow
3,969reputation
2.0mreached
65answers
48questions
Github Skills (14)
packaging10
pip10
python10
virtualenv9
pipfile9
pyenv8
slony6
bash6
linker6
perl6
postgresql6
replication6
llvm6
pgpool6
Programming languages (20)
Github contributions (5)
pypa/pipenv
May 2020 - May 2020
Python Development Workflow for Humans.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:14 commits, 1 PR, 13 comments in 8 days
Contributions summary:Zac focused on enhancing the Python package `pipenv`, particularly in the areas of Python environment management using tools like pyenv and asdf. They added functionality to load `.env` files, and improved the handling of Python installers in the project, allowing them to be used even if not in the system's PATH. These changes involved modifications to core modules and the addition of news entries, illustrating their role in improving the user experience and overall functionality of the project. The user also fixed a variable related to the environment, and included updates for CLI command functionality.
pythonpippackagingfor-humansvirtualenv
zbentley/pulsar
Feb 2022 - Mar 2023
Apache Pulsar - distributed pub-sub messaging system
Contributions:5 PRs, 66 pushes, 13 branches in 1 year 1 month
pulsarmessaging-systemstreamsstreamingapache
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