Mia Epner
Senior Software Engineer at HashiCorp
Haarlem, North Holland, Netherlands
Summary
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Rockstar🎓
Top SchoolMia Epner is a Senior Software Engineer with a decade of experience building secure, production-grade backend systems, currently at HashiCorp in the Netherlands. She has progressed through roles from government software engineering to senior backend positions at Stream and Expanse, bringing deep operational and security-focused expertise. Mia contributes to high-profile open-source projects like HashiCorp Vault, where she enhanced rekey workflows and PGP key handling—work that sits at the intersection of security, usability, and operations. Her background includes academic research on censorship-circumvention transports and teaching computer security at UC Berkeley, reflecting a blend of applied research and clear technical communication. Comfortable shipping complex CLI and key-management features, she excels at turning rigorous security requirements into practical, auditable tooling. Colleagues know her for tackling subtle cryptographic and operational edge cases while keeping the developer experience approachable.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Arts (B.A.) Middle/Near Eastern and Semitic Languages Literatures and Linguistics, Bachelor of Arts (B.A.) Middle/Near Eastern and Semitic Languages Literatures and Linguistics at University of California, Berkeley
English, Dutch
Github Skills (9)
secret-management10
key-management10
secrets-manager10
go10
vault10
cryptography9
cli9
command-line9
command-line-interface9
Programming languages (10)
Github contributions (5)
hashicorp/vault
Jan 2023 - 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:360 reviews, 2 commits, 352 PRs in 1 day
Contributions summary:Mia's contributions primarily focused on enhancing the functionality of the `vault operator rekey` command. They updated prompts, improved key handling within the rekey process, and added features for PGP key encryption and backup. The changes involved modifications to the `command/operator_rekey.go` file, indicating a focus on managing the security and operational aspects of Vault's key management system. The work included implementing new flags and features related to the rekeying workflow, adding complexity to the command's capabilities.
access-managementencryptionvaultgosecrets
miagilepner/rickrolly
Aug 2016 - Aug 2020
A Unix rootkit
Contributions:9 commits, 7 pushes, 1 branch in 4 years
rootkitunix
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