Christopher Gurnee
Network Engineer at Self-employed
Acton, Massachusetts, United States
Summary
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Rockstar🎓
Top SchoolChristopher Gurnee is a seasoned network and software engineer with two decades of professional experience and a 12-year track record as an independent consultant designing layer 2–7 networks, resilient security architectures, and VPN/PKI solutions. He blends deep hands-on troubleshooting of obscure, cross-stack problems with pragmatic design skills that balance greenfield builds and legacy constraints, and has led teams and produced clear technical documentation for complex deployments. Christopher contributes to open source—enhancing the Roundcube webmail Mailvelope integration and improving hashing and Bitcoin recovery tools—demonstrating both front-end and low-level back-end expertise. His background includes embedded and testbed software at Lockheed Martin, custom RADIUS and network monitoring work, and performance-focused C/C++ optimizations, reflecting a rare mix of networking, security, and systems programming. Based in Acton, MA, he is comfortable delivering under pressure and turning ambiguous requirements into auditable, on-budget solutions.
12 years of coding experience
18 years of employment as a software developer
Graduate Computer Science Program, Graduate Computer Science Program at Worcester Polytechnic InstituteComputer Science Program, Computer Science Program at Rensselaer Polytechnic Institute
Stackoverflow
101reputation
0reached
0answers
0questions
Github Skills (32)
crypto-wallet10
wallet10
javascript10
python10
sha10
bitcoin-wallet10
bitcoin10
bitcoins10
c1110
c1710
roundcube10
performance-optimization10
ethereum-wallet10
json9
multithreading9
Programming languages (15)
Github contributions (5)
gurnec/HashCheck
Dec 2014 - Sep 2016
HashCheck Shell Extension for Windows with added SHA2, SHA3, and multithreading; originally from code.kliu.org
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 71 commits, 6 PRs in 1 year 9 months
Contributions summary:Christopher primarily contributed to the "HashCheck Shell Extension" by adding new features, including support for SHA-256 and SHA3 hashing algorithms, and optimizing the existing code. They implemented a SHA-256 implementation within the project and updated the application to use it by default. Moreover, they improved performance via optimization using the byte-swap intrinsic, multithreading, and replacing concurrency::Alloc. They also improved the file type detection to associate .asc file types.
hashcheckmultithreadingwindowssha256sha3
gurnec/btcrecover
Apr 2014 - Dec 2017
An open source Bitcoin wallet password and seed recovery tool designed for the case where you already know most of your password/seed, but need assistance in trying different possible combinations.
Role in this project:Back-end Developer
Back-end DeveloperContributions:297 commits, 8 PRs, 192 pushes in 3 years 9 months
Contributions summary:Christopher primarily focused on developing and maintaining the core functionality of the Bitcoin recovery tool. Their contributions involved adding support for new wallet formats, like Electrum and Blockchain.info, as well as improving the program's stability through error handling and code refactoring. They also implemented features such as --passwordlist, and improved the handling of existing code.
combinationsecdsawalletassistancesegwit
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