Kajari Ghosh
CEO at Bonsai Healthcare
San Francisco Bay Area United States
Summary
🤩
Rockstar🎓
Top SchoolKajari Ghosh is a technical founder and CEO based in the San Francisco Bay Area with 11 years of engineering experience and a track record of shipping scalable, production-grade systems. After a decade in dev tools and geospatial software at Mapbox and Microsoft—where she contributed to Fluid Framework and high-throughput routing services—she built Bonsai Healthcare, an AI administrative agent platform for behavioral health that she architected and deployed end-to-end, now serving 10 practices at $5.5K MRR. She combines deep backend and systems expertise (C++, Node, Python, distributed data structures) with hands-on product and operational ownership, including a HIPAA-compliant stack, EHR integrations, and voice/AI pipelines handling thousands of clinic calls. Kajari has driven measurable impact in prior roles as well, owning a commercial API that enabled $1M+ sales and improving API capacity and reliability at scale. An active open-source contributor, her work on FluidFramework and OSRM shows both protocol-level thinking and practical performance improvements. She pairs entrepreneurial grit with rigorous engineering discipline and a subtle focus on ethics and privacy in AI-enabled healthcare.
11 years of coding experience
9 years of employment as a software developer
Master's Degree Computer Science, Master's Degree Computer Science at Towson UniversityBachelor of Arts Economics, Bachelor of Arts Economics at Grinnell CollegeArabic Language and Literature, Arabic Language and Literature at AMIDEASTInternational Baccalaureate, International Baccalaureate at International School of Lusaka
Bengali, French, English
Github Skills (26)
url-routing10
javascript10
c-language10
browser-extension10
testing10
fluid-framework10
typescript10
routing-slip10
data-structure10
lua10
routes10
typescript-types10
data-structures10
typescripts10
cpp10
Programming languages (9)
Github contributions (5)
Project-OSRM/osrm-backend
Oct 2016 - Feb 2019
Open Source Routing Machine - C++ backend
Role in this project:
Back-end Developer
Back-end DeveloperContributions:91 commits, 72 PRs, 666 pushes in 2 years 4 months
Contributions summary:Kajari made several contributions to the OSRM-backend project, focusing on routing engine enhancements. The user implemented changes related to destination tags, including adding new features to the Lua profile for destination handling and modifying the car profile. Furthermore, the user addressed map matching test coverage and added the ability to request a polyline with more precise coordinates, which involved changes in multiple files, including the core engine and step definitions. Finally, the user refactored the graph loader.
astarcppdijkstrac-plus-plusmap-matching
microsoft/FluidFramework
Jun 2022 - Jan 2023
Library for building distributed, real-time collaborative web applications
Role in this project:Back-end Developer
Back-end DeveloperContributions:241 reviews, 57 commits, 204 PRs in 7 months
Contributions summary:Kajari primarily contributed to the codebase by making numerous changes to ensure consistency and correct pluralization across different files. They refactored code, focusing on data structures (DDSes, SharedMap, SharedDirectory, SharedSequence) and functionalities related to data store visibility, garbage collection, and attachment behavior. Further contributions include the deprecation and removal of summary author/committer interfaces. Additional commits include adding tests that improve the overall quality of the codebase.
datastructurerealtimereal-timeweb-applicationsfluid-framework
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