Jay Geng
Software Engineer at Stellar Development Foundation
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolJay Geng is a software engineer with a decade of experience building robust backend systems, currently contributing to Stellar Development Foundation on core ledger infrastructure. He brings a research-driven approach from a Ph.D. in Electrical Engineering at Purdue and hands-on R&D experience at Bloomberg Trading Solutions, blending rigorous modeling and high-performance production engineering. His open-source work on the prominent stellar-core repository includes introducing a HashOfHash utility and refactoring ledger operations to improve integrity and maintainability—contributions that touch the heart of a live peer-to-peer financial network. Earlier research on nanoscale LED physics and co-founding a Purdue-affiliated startup demonstrate his ability to translate deep technical research into commercial software. Based in New York, he excels at bridging complex systems thinking with practical, production-ready code.
11 years of coding experience
11 years of employment as a software developer
High SchoolDoctor of Philosophy (Ph.D.), Electrical Engineering, Doctor of Philosophy (Ph.D.), Electrical Engineering at Purdue University
Chinese, English
Github Skills (8)
c-language10
cprogramming-language10
cryptography9
blockchain9
data-structures8
data-structure8
architectures7
architecture7
Programming languages (11)
Github contributions (5)
stellar/stellar-core
Jan 2022 - Dec 2022
Reference implementation for the peer-to-peer agent that manages the Stellar network.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:213 reviews, 18 commits, 43 PRs in 11 months
Contributions summary:Jay contributed to the `stellar/stellar-core` repository by implementing and refactoring core ledger functionalities. They introduced the `HashOfHash` utility and integrated it into `LedgerHashUtils` and `InternalLedgerEntry`, which likely optimizes ledger data integrity and access. Furthermore, the user refactored existing operations and added a base class for trust flag operations to improve code structure, and maintain authorization and liabilities.
peer-to-peer
jayz22/stellar-core
Jan 2022 - Jul 2026
stellar-core is the reference implementation for the peer to peer agent that manages the Stellar network
Contributions:2 PRs, 182 pushes, 46 branches in 4 years 6 months
agentp2pblockchainstellar-networkstellar
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