Alex Grinman
Co-founder CTO at Footprint
Boston, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolAlex Grinman is a co-founder and CTO with 11 years of experience building secure, developer-first identity and onboarding systems from Boston. At Footprint he’s building what he calls the last identity form — a two-line integration that offloads PII vaulting, security, and compliance for customer onboarding. He previously co-founded krypt.co (acquired by Akamai) and served as Principal Product Architect, blending startup speed with enterprise-scale product delivery. Technically he’s an applied-cryptography-trained engineer (M.Eng., MIT; double major in CS and Math) who contributes to open-source tooling — notable work includes enhancements to kryptco/kr (adding RSA-SHA2 support, kr transfer, migration to Go modules and GitHub Actions) and networking/DevOps improvements in tunnelto. That mix of crypto, backend, and DevOps experience shows up in frictionless, secure developer experiences he builds, and he also advises early-stage companies through Boston Venture Studio.
12 years of coding experience
12 years of employment as a software developer
Bachelor’s Degree Double major in Computer Science (Course 6-3) and Mathematics (Course 18), Bachelor’s Degree Double major in Computer Science (Course 6-3) and Mathematics (Course 18) at Massachusetts Institute of Technology
Github Skills (23)
websocket10
go10
websockets10
rust10
ssh10
github-ci9
debug9
debugging9
networking9
github-actions-workflows9
github-action-workflow9
cryptography9
devops9
github-actions-workflow9
version-control8
Programming languages (10)
Github contributions (5)
agrinman/tunnelto
Apr 2020 - Sep 2022
Expose your local web server to the internet with a public URL.
Role in this project:
Backend & DevOps Engineer
Backend & DevOps EngineerContributions:1 release, 9 reviews, 119 commits in 2 years 6 months
Contributions summary:Alex implemented client-side debugging features and logging to help with troubleshooting. They added ping functionalities for maintaining the connection, demonstrating knowledge of networking protocols. Further, the user made updates to client defaults, updated the readme, and added configuration details. They also addressed server-side improvements related to authentication and added support for web-based inspection, and also integrated web socket functionalities.
tunnelingweb-serverrustlocalhostexpose
kryptco/kr
May 2017 - Oct 2019
DEPRECATED A dev tool for SSH auth + Git commit/tag signing using a key stored in Krypton.
Role in this project:Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:1 release, 17 commits, 6 PRs in 2 years 5 months
Contributions summary:Alex primarily focused on enhancing the core functionality and maintainability of the Krypton project, as shown by the implementation of new signature digest algorithms (RSA-SHA2-256/512) and backward compatibility measures. Their work includes updating the SSH agent to handle these algorithms and updating the project's versioning. The user also implemented the "kr transfer" functionality and made changes to the build/deployment configurations by migrating to Go modules and integrating GitHub Actions for CI/CD.
storedkryptonsigningdev-tooldev
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