Mike Gatny
President & COO at Connamara
Detroit, Michigan, United States
Summary
🤩
Rockstar🎓
Top SchoolMike Gatny is a seasoned engineering executive with 19 years building high-performance capital markets systems, now serving as President & COO of Connamara Systems in Detroit. He combines hands-on C/C#/.NET and Go engineering experience—contributing to core open-source projects like ZeroMQ and QuickFIX—with strategic leadership across product, operations, and sales engineering. His work spans exchange platforms, matching engines, FIX protocol implementations and market data systems, and he’s known for strengthening reliability and security at the protocol level (including GSSAPI integration into libzmq). A University of Michigan computer science graduate, he pairs deep protocol-level expertise with a track record of scaling consulting and engineering teams to productionize low-latency trading infrastructure.
19 years of coding experience
22 years of employment as a software developer
Bachelor of Science in Engineering - BSE, Computer Science, Bachelor of Science in Engineering - BSE, Computer Science at University of Michigan College of Engineering
English, Spanish
Stackoverflow
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Github Skills (35)
test-automation10
unit-testing10
c-language10
zeromq10
net10
finance10
dotnet10
asp-net10
gssapi10
go10
fileio10
fixprotocol10
dotnet-core10
file-processing10
golang10
Programming languages (6)
Github contributions (5)
connamara/quickfixn
Mar 2012 - Aug 2022
QuickFIX/n implements the FIX protocol on .NET.
Role in this project:
Back-end Developer & Automation Engineer
Back-end Developer & Automation EngineerContributions:8 reviews, 48 commits, 28 PRs in 10 years 7 months
Contributions summary:Mike primarily contributed to the QuickFIX/n project by implementing bug fixes and adding new features. A significant portion of the work involved addressing issues related to session handling, such as logon timeouts and message sequence number management. The user also added unit tests to verify the implemented features and fixed and improved the build and testing automation, including the addition of scripts for acceptance test result conversion.
fix-protocoldotnetfixquickfix
quickfix/quickfix
Nov 2006 - Dec 2021
QuickFIX C++ Fix Engine Library
Role in this project:Back-end Developer
Back-end DeveloperContributions:54 commits, 16 PRs, 12 pushes in 15 years 3 months
Contributions summary:Mike implemented support for multiple versions of the FIX protocol (4.3, 4.4) within the QuickFIX C++ library. They added error handling for sessions with incorrect BeginString values and included a shell script for running a GUI client (banzai). Code changes focused on enhancing the core functionality of the FIX engine, including adding and modifying message handling logic.
fixcppc-plus-plusquickfixvcpkg
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