Matt Nischan is a founder and lead architect with 12+ years designing and shipping high‑performance .NET systems, specializing in safe concurrency, immutable data patterns, and full‑stack platform design. He leads and mentors engineering teams (10–25 engineers) and has re‑architected mission‑critical financial index and simulation platforms using distributed services, message buses, and advanced concurrency techniques. Equally comfortable in front‑end UI work and low‑level backend systems, he contributes to notable open‑source projects including Working Title’s MSFS mods and akka.net build tooling. He combines deep C#/.NET fluency with broad polyglot experience (Scala/Spark, JS, C/C++, Python) and a practical DevOps mindset (TeamCity, Octopus, Azure). A pragmatic inventor, he owns Immutable.Net and has repeatedly turned long, fragile legacy processes into fast, testable, auditable pipelines.
Contributions:5 releases, 171 reviews, 290 commits in 1 year 2 months
Contributions summary:Matt primarily worked on a flight simulation mod, focusing on both the user interface and the back-end systems. They implemented core features for the Flight Management Computer (FMC), including the navigation radio tuning and performance calculations. The user also made improvements to the autopilot system, adding features like glide slope and glideslope/flight path angle control. This involved JavaScript for UI and potentially C++ or other languages for the underlying simulation logic.
Canonical actor model implementation for .NET with local + distributed actors in C# and F#.
Role in this project:
Back-end & DevOps Engineer
Contributions:6 commits, 9 comments in 8 days
Contributions summary:Matt contributed to the build system, adding support for Mono and Travis CI configuration to the project. They worked on fixing issues related to the Mono build and test ambiguity. Additionally, the user refactored and updated the atomic counter implementations. Their contributions involved modifying build scripts, test configurations, and core library code related to concurrency.
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Matt Nischan - Founder, Architect at Working Title Simulations