Julián Díaz
Founder at Eosian Ventures, LLC
Seattle, Washington, United States
Summary
👤
Senior🎓
Top SchoolJulián Díaz is a founder and seasoned technology leader based in Seattle with 11 years of hands-on experience building secure, user-focused products and cloud infrastructure. He has led engineering and security functions at fast-growing startups—serving as CTO and CISO at Hinge Health and later VP of Engineering at Zest Dermatology—while founding and consulting through multiple ventures. His background blends computer science and cognitive psychology from the University of Pennsylvania, which informs a user-centered approach to UI design and product thinking alongside deep infosec expertise. Comfortable shipping across the stack, he’s equally at home architecting cloud systems, hardening security programs, or iterating on front-end experiences. An entrepreneur by trade, he often surfaces non-obvious insights at the intersection of human behavior and technical systems to turn complexity into usable, auditable solutions.
11 years of coding experience
13 years of employment as a software developer
Computer Science, Computer Science at High Tech High SchoolComputer Science & Cognitive Science, Comp. Sci, Psychology, Computer Science & Cognitive Science, Comp. Sci, Psychology at University of Pennsylvania
Spanish, Japanese, English
Stackoverflow
1reputation
31reached
0answers
1question
Github Skills (80)
cap10
starcraft10
serialization10
hateoas10
javascript9
rest9
protobuf9
htmx9
proto9
docker9
react9
typescript9
rpc9
html8
golang8
Programming languages (6)
Github contributions (5)
jdiaz5513/capnp-ts
May 2017 - Jan 2022
Cap'n Proto serialization/RPC system for TypeScript & JavaScript
Contributions:78 commits, 96 PRs, 213 pushes in 4 years 9 months
rpcstarcraftprotobufprotojavascript
onefinancial/npm-fast-sync
Jan 2016 - Aug 2016
Contributions:4 PRs, 6 pushes, 2 branches in 7 months
downgradeincrementalnpm-installnpm
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