Pawel Kadluczka
Staff Software Engineer - Modeled Reporting Infra (Ads Measurement) at Meta
Kirkland, Washington, United States
Summary
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Rockstar🎓
Top SchoolPawel Kadluczka is a seasoned staff software engineer based in Kirkland, Washington, with over two decades of software experience and 14 years in senior engineering roles focused on large-scale distributed systems. Currently leading privacy-preserving ads measurement infrastructure at Meta, he drives cross-team alignment, mentors engineers, and champions service reliability while blending C++, Hack, and Python at production scale. He helped design and launch Meta’s next-generation modeled reporting systems and brought back a top-requested Ads Manager feature, demonstrating a mix of product impact and deep technical ownership. Previously at Microsoft he was instrumental in shaping ASP.NET Core SignalR and authored a SignalR C++ client used by Office, and his open-source SignalR-Client-Swift work shows hands-on protocol and WebSocket expertise. Comfortable spanning backend systems, ML-enabled measurement, and performance-critical services, he’s known for simplifying complex designs to save significant engineering effort. Outside of work he remains an active developer—“software engineer by day, developer by night”—bridging open-source contributions with large-scale production engineering.
14 years of coding experience
22 years of employment as a software developer
IV LO RzeszówM.Sc., Computer Science, M.Sc., Computer Science at Wroclaw University of Science and Technology
Stackoverflow
31,502reputation
2.9mreached
830answers
5questions
ef-code-first
top-1%
websocket
top-5%
iis
top-5%
xml
top-1%
unit-testing
top-5%
linq-to-xml
top-5%
Github Skills (35)
unit-testing10
json10
ef-code-first10
net10
websocket10
asp-net-core10
signalr10
asp-net10
entity-framework10
dotnet-core10
xml10
swift10
csharp10
testing9
transaction9
Programming languages (13)
Github contributions (5)
moozzyk/SignalR-Client-Swift
Feb 2017 - Jan 2023
Swift SignalR Client for Asp.Net Core SignalR server
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 32 reviews, 300 commits in 5 years 11 months
Contributions summary:Pawel's contributions center around implementing a Swift SignalR Client for an ASP.NET Core SignalR server. They added initial Websockets transport functionality, incorporating the SocketRocket library for WebSocket connections and handling relevant delegate methods. Further contributions included developing connection management, including handling of handshake messages, and enabling support for sending and receiving messages, as well as integration with a server-side component for features such as invoking hub methods and following redirects.
signalr-client-swiftaspsignalr-serversignalrasp-net
dotnet/aspnetcore
May 2016 - Feb 2018
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
Role in this project:Back-end Developer
Back-end DeveloperContributions:70 commits, 6 PRs, 5 pushes in 1 year 8 months
Contributions summary:Pawel primarily contributed to the core functionality of the ASP.NET Core SignalR project. Their work included refactoring hub method names, introducing and implementing the `HubActivator` to manage the lifecycle of hubs. Further contributions involved adding unit tests to the project and improving the test suite to address test hangs and add timeouts.
dotnetcoreweb-basedasp-netnet-coreasp-net-core
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