Matthew Pappas
Freelance Software Engineer at Open
Houston, Texas, United States
Summary
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Rockstar🎓
Top SchoolMatthew Pappas is a freelance software engineer based in Houston with nine years of experience building high-performance backend systems across UNIX, Windows, and Linux environments. He has a strong track record in low-latency algorithms, secure communications, and production support—having reduced compile times dramatically, designed scalable caching and disaster recovery, and led migrations to AWS. Matthew’s contributions to the EOSIO open-source blockchain highlight his attention to core system performance and block-processing metrics, while his freelance work spans custom encryption, HPC message queues, web servers, and developer tooling. Comfortable as a hands-on developer, repo administrator, and DevOps practitioner, he blends deep C/C++ systems expertise with practical deployments for finance and enterprise clients. Notably, he pairs traditional mainframe awareness with modern cloud and edge-device solutions, making him a versatile choice for challenging infrastructure and performance projects.
9 years of coding experience
15 years of employment as a software developer
Rockland Community CollegeUS NavyDeVry University
Github Skills (7)
c-language10
cprogramming-language10
blockchain10
eosio10
system-design9
performance-optimization9
logging8
Programming languages (1)
Github contributions (5)
EOSIO/eos
Aug 2017 - Aug 2017
An open source smart contract platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 4 PRs, 17 pushes in 1 day
Contributions summary:Matthew primarily contributes to the core logic of the EOSIO blockchain platform. They focus on logging block details and modifying the chain controller to incorporate metrics such as transaction counts and execution times. Their contributions involve changes to the `chain_controller.cpp` and `generic.cpp` files, suggesting their work involves the core functionality of block processing, data logging, and possibly performance optimization. The changes implemented also indicate the user's attention to block performance.
smart-contractblockchain-platformethereumcontractblockchain
MatthewPappas/ECC
Dec 2016 - May 2018
Contributions:11 pushes, 1 branch in 1 year 5 months
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