Jonathan Fishner
Founder at OneCLI
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJonathan Fishner is a founder and seasoned software engineer with 11 years of experience building developer-first tools and secure systems from New York. He created ChartDB, an open-source, AI-powered database diagramming tool that has attracted over 20K GitHub stars and helped 100,000+ developers, and now leads OneCLI, focused on credentials, guardrails, and secure self-hosted agent gateways. Prior roles span principal security architecture and backend platform work at Axis Security, Fiverr, and Ebates, where he designed large-scale microservices, real-time matching, and event-sourced integrations. Comfortable across databases, distributed systems, and security, he combines product-driven engineering with practical open-source leadership. His background includes mission-critical systems experience from the IDF and a B.Sc. in Computer Science, reflecting a mix of operational discipline and entrepreneurial drive.
11 years of coding experience
14 years of employment as a software developer
B.Sc., Computer Science, B.Sc., Computer Science at The College of Management Academic Studies
Github Skills (104)
postgresql10
erd10
embedded10
cpp10
editor10
sql10
database10
readable10
sqlite10
mysql10
mariadb10
typescript10
schema-migrations10
visualization10
react-flow10
Programming languages (8)
Github contributions (5)
emircanakpinar/chartdb
Nov 2024 - Nov 2024
Free and open-source database diagrams editor, visualize and design your DB with a single query.
Contributions:3 pushes in 3 days
johnnyfish/docs
Dec 2024 - Jan 2025
CockroachDB user documentation
Contributions:3 pushes in 24 days
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