Sean Nelson
Lead Software Engineer, Frontend at Kayhan Space
Denver, Colorado, United States
Summary
👤
Senior🎓
Top SchoolSean Nelson is a Lead Software Engineer focused on frontend systems with 12 years of experience building scalable, production-grade web and mobile products from ideation to millions of users. Based in Denver, he has led teams that integrated real-time sports data, Web3 payments, and app-within-app architectures—delivering projects that reached 2+ million users and created 1.5M wallets across multiple blockchains. He combines hands-on full-stack work (including backend contributions to notable open-source projects like Java-Tron) with product-minded engineering, shipping reusable component libraries, SDKs, and test-driven deployment practices. A former journalist turned engineer, Sean brings clear communication and creative storytelling to product design and live-ops. Outside work he’s a button presser and bluegrass enthusiast, a hint of the hands-on curiosity that drives his technical craft.
12 years of coding experience
6 years of employment as a software developer
Full Stack Javascript Certification, Full Stack Javascript Certification at Alchemy Code LabUniversity of Missouri
English, Spanish
Stackoverflow
11reputation
188reached
0answers
1question
Github Skills (9)
javas10
blockchain10
java10
testing10
mockito9
leveldb8
json6
javascript6
redis6
Programming languages (14)
Github contributions (5)
tronprotocol/java-tron
Jan 2018 - Jan 2018
Java implementation of the Tron whitepaper
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits in 1 day
Contributions summary:Sean primarily contributed to the back-end logic of the Java-Tron project, specifically within the core and testing components. Their work involved modifying the `Blockchain` constructor to internally handle database creation and integrating testing. They also addressed compilation errors, implemented mock objects for testing, and performed database cleanup after tests. These contributions indicate a focus on improving blockchain functionality and testing infrastructure.
tronblockchainsubgraphwhitepaperjava
Sglavin85/Bark
Jun 2019 - Jun 2019
Bark - Every Dogs Personal Walker
Contributions:38 commits in 23 days
thunderbirdwalkerdm
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