Don Park
DeFi Analytics Engineer at DefiHub
Portland, Oregon, United States
Summary
🤩
Rockstar🎓
Top SchoolDon Park is a DeFi Analytics Engineer with 17 years of experience designing and implementing distributed systems, blockchains, and market-facing trading infrastructure. Based in Portland, he blends low-level systems expertise (C, Rust, Zig) with practical web and backend stacks (Node.js, Python, Go) to build auditable, production-ready financial systems. He founded DefiHub to monitor Uniswap v2 activity and has built execution engines and arbitrage trackers that integrate multiple decentralized exchanges. His open-source contributions include refactoring the Stacks blockchain core and improving robustness in the Secure Scuttlebutt server, showing a keen eye for code clarity and network resilience. Don’s background spans startups and product-facing systems—everything from Bitcoin wire-protocol implementations to portfolio execution services—reflecting both entrepreneurial drive and deep protocol-level knowledge. He combines academic grounding (MS in CS) with a habit of exploring diverse programming paradigms and distributed algorithms, which often leads to pragmatic, well-tested solutions.
17 years of coding experience
16 years of employment as a software developer
Bachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at University of PortlandMasters of Science Computer Science, Masters of Science Computer Science at Portland State University
Stackoverflow
456reputation
61kreached
9answers
1question
Github Skills (19)
javascript10
stack10
gossip10
blockchain10
rust10
bitcoins9
bitcoin9
decentralization9
logging8
network-programming8
testing8
sinatra6
zeromq6
bash6
forms6
Programming languages (30)
Github contributions (5)
stacks-network/stacks-core
Sep 2022 - Jan 2023
The Stacks blockchain implementation
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 reviews, 195 commits, 13 PRs in 4 months
Contributions summary:Don primarily focused on refactoring and cleaning up the Stacks blockchain implementation. Their contributions include removing unused variables and crates, improving code clarity, and fixing parenthesis warnings. They also worked on test-related improvements such as creating and bootstrapping bitcoin wallets, configuring miners for segwit, and updating tests.
appsblockstackdnsrustserverless
ssbc/ssb-server
Dec 2017 - Dec 2017
The gossip and replication server for Secure Scuttlebutt - a distributed social network
Role in this project:Back-end Developer
Back-end DeveloperContributions:11 commits, 1 PR, 7 comments in 3 days
Contributions summary:Don primarily contributed to the server-side logic of the Secure Scuttlebutt server. Their work included improving peer selection logic, enhancing logging for debugging and monitoring peer connections, and addressing issues related to handshake timeouts. They also made minor code changes, such as improving readability. The user's contributions are focused on improving the network's robustness and operational visibility.
golangsecuresecure-scuttlebuttsocial-networkscuttlebutt
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