Jim Kalafut
Staff Engineer at Clerk.com
Sherwood, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolJim Kalafut is a seasoned staff engineer with 15 years of experience building and leading teams that deliver reliable, production-grade backend systems. He combines deep systems and Go expertise—demonstrated by long-term contributions and backend fixes to the high-profile open-source HashiCorp Vault project—with practical leadership roles at HashiCorp, Panther, and Garmin. Based in Sherwood, Oregon, he has transitioned between hands-on engineering and management, recently working as an independent developer before joining Clerk.com, showing a blend of entrepreneurial drive and organizational experience. Jim’s work often focuses on storage, database operations, performance refactors, and systems-level features like gzip compression for APIs, reflecting a pragmatic approach to improving large distributed systems.
15 years of coding experience
25 years of employment as a software developer
Masters Degree Computer Science, Masters Degree Computer Science at University of Illinois Urbana-ChampaignBachelor Degree Electrical Engineering, Bachelor Degree Electrical Engineering at Milwaukee School of Engineering
Github Skills (13)
secret-management10
secrets-manager10
go10
cassandra9
gzip8
databases8
compression8
gunzip8
database8
sql-database8
compress8
api-design8
relational-databases8
Programming languages (23)
Github contributions (5)
hashicorp/vault
Mar 2018 - Oct 2020
A tool for secrets management, encryption as a service, and privileged access management
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 releases, 250 reviews, 111 commits in 2 years 7 months
Contributions summary:Jim primarily contributes to the `hashicorp/vault` project by addressing issues related to the backend functionality and overall improvements to existing code. This includes bug fixes related to data storage and database operations, as well as refactoring existing code for improved performance. Additionally, the user demonstrates knowledge of system architecture by implementing gzip compression, and API adjustments.
golanghashicorp-vaultaccess-managementsecurityvault
kalafut/mu
Feb 2020 - Sep 2024
Contributions:10 pushes, 1 branch in 4 years 7 months
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