Daniel Lehenbauer
Principal Software Engineer, Fluid Framework (Office Incubation)
Kenmore, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolDaniel Lehenbauer is a Principal Software Engineer with 11+ years of experience building scalable distributed systems and real-time collaboration platforms at Microsoft, currently leading the Fluid Framework incubation for Office. He has driven core architecture and delivered production 1.0 components—such as a distributed matrix that scales to Excel-sized worksheets—and set the vision for distributed trees used as the foundation for a 2.0 product strategy. Daniel blends deep systems and web-platform expertise (from WebView and Edge browser rearchitectures to graphics and UI stacks) with hands-on contributions to open-source projects like microsoft/FluidFramework. Known for consensus-building across teams and companies, he has repeatedly taken prototypes to major company bets while mentoring large engineering groups and owning cross-organizational delivery. Based in Kenmore, WA, he pairs professional software craftsmanship with an off-hours passion for hardware design, bringing practical curiosity to both software and physical systems.
11 years of coding experience
15 years of employment as a software developer
Bachelor of Science (B.Sc.) Computer Science, Bachelor of Science (B.Sc.) Computer Science at Rose-Hulman Institute of Technology
Github Skills (9)
typescript10
javascript10
typescripts10
typescript-types10
develop9
testing7
api6
apidoc6
react6
Programming languages (12)
Github contributions (5)
microsoft/FluidFramework
Jul 2018 - Jan 2023
Library for building distributed, real-time collaborative web applications
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1320 reviews, 462 commits, 830 PRs in 4 years 6 months
Contributions summary:Daniel contributed to the Microsoft Fluid Framework, a library for collaborative web applications, by focusing on various aspects of the codebase. They addressed specific issues like Kafka versioning in the routerlicious folder and added themselves to a Docker-related file. Additionally, they implemented features within the routerlicious/src/controls/flowView.ts file, and added a rudimentary support for deleting selections via backspace. Furthermore, the user has tested a calculator module by creating and modifying test files.
datastructurerealtimereal-timeweb-applicationsfluid-framework
microsoft/tiny-calc
Apr 2019 - Jan 2021
Tiny expression evaluator
Contributions:16 reviews, 155 commits, 43 PRs in 1 year 9 months
tinyevaluatorexpression-evaluator
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