Kit Haines
Software Engineer II at HashiCorp
Cambridge, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolKit Haines is a software engineer with nine years of experience, currently building back-end systems at HashiCorp in Cambridge, MA. With a B.S. in Mathematics from MIT, Kit brings a strong analytical foundation to designing and hardening production services, most recently contributing bug fixes and PKI feature work to the widely used open-source Vault project. Prior roles span payments and semantic data platforms, giving him practical experience across security-sensitive infrastructure and enterprise integration. He combines attention to cryptographic detail—improving certificate issuance and issuer validation in Vault—with a pragmatic, stability-first approach to shipping reliable backend features.
9 years of coding experience
6 years of employment as a software developer
Bachelors of Science, Mathematics, Bachelors of Science, Mathematics at Massachusetts Institute of Technology
Github Skills (10)
secret-management10
secrets-manager10
go10
cryptography10
pki10
vault9
apidoc9
certificate-authority9
back-end-development9
api9
Programming languages (3)
Github contributions (5)
hashicorp/vault
Feb 2022 - Jan 2023
A tool for secrets management, encryption as a service, and privileged access management
Role in this project:
Back-end Developer
Back-end DeveloperContributions:300 reviews, 103 commits, 132 PRs in 11 months
Contributions summary:Kit primarily contributed to the HashiCorp Vault project by fixing bugs and implementing features related to the PKI secrets engine. Their commits focused on validating and improving the functionality of the PKI roles endpoint, specifically concerning key types, issuer validation, and certificate metadata. These changes involved modifying code related to certificate signing, issuer management, and certificate generation within the PKI backend, contributing to the overall stability and usability of the Vault project.
access-managementencryptionvaultgosecrets
hashicorp/terraform-provider-vault
Jun 2022 - Sep 2025
Terraform Vault provider
Contributions:11 reviews, 3 PRs, 7 pushes in 3 years 3 months
terraformvaultterraform-provider
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