Mitchell Hashimoto
Board Member at Vercel
Manhattan Beach, California, United States
Summary
🤩
Rockstar🎓
Top SchoolMitchell Hashimoto is a serial founder and systems engineer with 17 years building resilient infrastructure tools and developer platforms, best known for founding HashiCorp and creating widely used open-source projects like Vagrant, Terraform, Consul, Vault, Nomad, and Packer. He combines executive experience scaling HashiCorp to thousands of customers with deep hands-on engineering — contributing core Go and systems work across projects from memberlist and go-plugin to low-level event loops and Zig compiler internals. Based in Manhattan Beach, he’s equally fluent in cloud provider integrations, Kubernetes automation, and cross-platform system tooling, with a track record of improving reliability, testing, and developer ergonomics. Mitchell’s contributions often bridge product and plumbing: shipping user-facing CLIs and websites while hardening the underlying RPC, discovery, and error-handling subsystems. Now a board member at Vercel, he continues to shape cloud developer experiences while maintaining active, practical involvement in open-source infrastructure.
17 years of coding experience
16 years of employment as a software developer
B.S., Computer Science, B.S., Computer Science at University of Washington
Japanese, English
Stackoverflow
32,909reputation
783kreached
26answers
0questions
virtualbox
top-5%
apache
top-1%
chef-infra
top-5%
http
top-1%
vagrant
top-1%
ssh
top-5%
Github Skills (170)
dependency-management10
apim10
transaction10
google-cloud-platform10
website-development10
web-application10
cloud-computing10
compiler-development10
testing10
command-line-interface10
http10
autocomplete10
bash10
templater10
microsoft-azure10
Programming languages (24)
Github contributions (5)
mitchellh/libxev
Jan 2023 - Mar 2023
libxev is a cross-platform, high-performance event loop that provides abstractions for non-blocking IO, timers, events, and more and works on Linux (io_uring or epoll), macOS (kqueue), and Wasm + WASI. Available as both a Zig and C API.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 reviews, 282 commits, 90 PRs in 2 months
Contributions summary:Mitchell contributed significantly to the development of the `libxev` library, focusing on low-level system programming aspects. They implemented core data structures such as an intrusive queue and demonstrated proficiency in system-level operations, including implementing timer functionalities with appropriate use of `WASI` or `linux` system calls. These contributions show an understanding of event loop mechanics and system resource management. They expanded the project's scope to include UDP socket and process watching features, highlighting a good understanding of networking and system process management.
asynccepollio-uringkqueue
hashicorp/vagrant
Jan 2010 - Mar 2018
Vagrant is a tool for building and distributing development environments.
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:6037 commits, 206 PRs, 427 pushes in 8 years 3 months
Contributions summary:Mitchell made various contributions to the `hashicorp/vagrant` repository, primarily merging changes related to client certificates, default values, and new styling for URLs. Their work included modifying configuration files, integrating new feature configurations, and updating library files, showing a focus on core functionalities. The user also resolved conflicts and updated the codebase to include the new features while maintaining and contributing to the project.
vagrantansiblerubydockervirtualization
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