Zack Leman
Co-Founder CTO at Jarmin
San Francisco, California, United States
Summary
👤
Senior🎓
Top SchoolZack Leman is a seasoned technology leader and Staff Software Engineer at Meta, shaping infrastructure for the next generation of GenAI initiatives. He is the co-founder and principal engineer at catch-health, architecting a HIPAA-compliant virtual care system on AWS that enables SOC 2 certification and supports millions of patients and high-volume messaging. Previously at Well Health, he led backend engineering and grew the team from 3 to 25, redesigned the EMR integration API with GraphQL to consolidate 30+ endpoints into a few and cut network bandwidth by ~30% at peak, while building scalable, low-latency messaging pipelines. His work includes a multi-region HIPAA/HITRUST-compliant messaging infrastructure, Terraform-based AWS provisioning that reduced account setup time from two weeks to about one hour, and an API auditing pipeline handling 10 million audit records per day. A Bowdoin College graduate in Neuroscience and Computer Science with business training from Dartmouth's Tuck, Zack is based in San Francisco and combines deep technical depth with product-driven leadership.
11 years of coding experience
10 years of employment as a software developer
Business Bridge Program, Business Bridge Program at Tuck School of Business at DartmouthBachelor’s Degree, Neuroscience and Computer Science, (Overall GPA 3.91, CS 4.00), Bachelor’s Degree, Neuroscience and Computer Science, (Overall GPA 3.91, CS 4.00) at Bowdoin College
Github Skills (64)
graphql-api10
mbaas10
node-js10
expressjs10
postgres10
object-storage10
graphql-relay10
parse-platform10
file-storage10
parse10
express-js10
graphql10
rest-api10
nodejs10
parse-server10
Programming languages (4)
Github contributions (5)
zleman1593/zleman1593.github.io
Feb 2015 - Feb 2019
Contributions:4 PRs, 138 pushes, 1 branch in 3 years 11 months
reactnextjs
zleman1593/Particle-Swarm-Optimization-PSO
Mar 2015 - Apr 2015
Contributions:19 commits, 18 pushes, 1 branch in 1 month
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