Tomasz Janczuk
Founder at Worldschool 22
Redmond, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolTomasz Janczuk is a founder and seasoned software leader with 20+ years building developer tools and cloud services at Microsoft, Auth0, Fusebit, and HP, and 14 years of hands-on engineering experience across startups and enterprise. He combines deep systems and backend expertise (including in-process .NET/Node integrations like his open-source edge work and contributions to Azure Mobile SDKs) with product-driven entrepreneurship. After founding Fusebit and running 47 Chapters, he now builds Lexray, an AI contract-triage tool born from personal experience signing hundreds of contracts and designed to surface real-world risks in 60 seconds. Based in Redmond, he blends technical craftsmanship, founder grit, and a global perspective shaped by extended family travel and worldschooling.
14 years of coding experience
20 years of employment as a software developer
MBA, MBA at Poznan University of Economics And BusinessMS Software Engineering, MS Software Engineering at Poznan University of Technology
English, Polish, German, Spanish
Stackoverflow
3,228reputation
273kreached
61answers
0questions
Github Skills (26)
objective-c10
c-language10
ios10
mobile-development10
authentication10
user-authentication10
nodejs10
cprogramming-language10
dotnet9
networking9
ui-design9
net9
asp-net9
threaded8
multithreading8
Programming languages (10)
Github contributions (5)
tjanczuk/edge
Feb 2013 - May 2018
Run .NET and Node.js code in-process on Windows, MacOS, and Linux
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 release, 454 commits, 37 PRs in 5 years 3 months
Contributions summary:Tomasz primarily focused on developing the backend functionality of the `edge` repository, which involves running .NET and Node.js code in-process. They contributed to the creation of a C++/CLI Node.js extension, implementing the end-to-end happy path in native code. The user also worked on handling exceptions within the system, adding support for headers and body, as well as the beginning of the Connect middleware.
dotnetwindowsnode-jslinuxcsharp
Azure/azure-mobile-services
Oct 2012 - Oct 2012
Mobile Services is deprecated - Use Mobile Apps instead
Role in this project:Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:6 commits in 2 days
Contributions summary:Tomasz contributed significantly to the iOS SDK for Azure Mobile Services. Their work primarily revolved around implementing authentication and login functionality, including handling various authentication flows and managing user sessions. They introduced a `MSLoginViewController` for handling the login process within the iOS application, and refactored code for improved usability. Further, the user added Zumo authentication token to requests.
react-nativemobile-servicesandroidmobile-appsc-sharp
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