DU Jiaen
Lead Software Engineer at Vaulta Foundation
Hong Kong, China
Summary
🤩
Rockstar🎓
Top SchoolDU Jiaen is a lead software engineer with 8+ years focused on high-performance C++ systems and blockchain infrastructure, currently heading engineering at Vaulta Foundation after senior roles at block.one and Bullish. He has deep expertise in EOSIO — contributing testing and p2p/network test work to the flagship eos repository and driving real-world throughput improvements via parallelism and low‑level optimizations. His background spans ultra-low-latency trading systems for major financial clients and embedded network processor solutions, reflecting a strong track record in performance, reliability, and security. Comfortable leading teams and mentoring at large hackathons, he combines hands-on system design with operational ownership of critical platforms. Based in Hong Kong with MSc from HKUST and a BSc from Shanghai Jiao Tong, he blends academic rigor with production-grade engineering.
8 years of coding experience
13 years of employment as a software developer
Bachelor of Science Computer Science (ACM class), Bachelor of Science Computer Science (ACM class) at Shanghai Jiao Tong UniversityGuangdong Guangya High School 广东广雅中学Hong Kong University of Science and Technology (HKUST)
English, Chinese, Chinese
Stackoverflow
962reputation
78kreached
21answers
1question
tree
top-5%
data-structures
top-5%
Github Skills (16)
unit-testing10
smart-contracts10
c-language10
cprogramming-language10
blockchain10
testing10
tree9
data-structures9
network-protocol8
avl-tree6
cmath6
while-loop6
language-agnostic6
red-black-tree6
forloop6
Programming languages (8)
Github contributions (5)
EOSIO/eos
Mar 2018 - Dec 2021
An open source smart contract platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 reviews, 366 commits, 95 PRs in 3 years 9 months
Contributions summary:DU primarily contributed to testing efforts, fixing bugs in existing test cases and adding new ones. The user's work focused on the `eosio/eos` repository, specifically modifying C++ test files related to special accounts and authority rules within the blockchain. Additionally, the user implemented testing for p2p network and refactored code to address issues in the wallet tests.
smart-contractblockchain-platformethereumcontractblockchain
taokayan/searchengine
Oct 2018 - May 2019
webpage crawler and search engine supporting multiple billions of pages in a single PC
Contributions:29 commits, 2 PRs, 24 pushes in 7 months
spidersearch-enginecrawlingcrawlerwebcrawler
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