Aaron Fu
Blockchain Developer at Bullish
Hong Kong Island, Hong Kong, China
Summary
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RockstarAaron Fu is a blockchain developer based in Hong Kong with six years of hands-on experience building and improving smart contract platforms. He contributes to notable open-source projects like EOSIO, enhancing core CLI tooling (cleos) to improve currency queries, transaction pushing, and contract deployment workflows—work that demonstrates attention to cross-platform robustness (including macOS script fixes). Comfortable on the backend, he focuses on developer-facing tooling that makes blockchain operations more reliable and automatable. His profile reflects a practical engineer who blends protocol-level understanding with pragmatic developer experience improvements.
6 years of coding experience
Github Skills (11)
command-line-interface10
c-language10
cprogramming-language10
blockchain10
command-line10
eosio10
apidoc9
api9
json9
bash8
script8
Programming languages (4)
Github contributions (5)
EOSIO/eos
Jun 2019 - Dec 2020
An open source smart contract platform
Role in this project:
Back-end Developer
Back-end DeveloperContributions:194 commits, 14 PRs, 209 pushes in 1 year 5 months
Contributions summary:Aaron contributed to the `cleos` command-line tool, primarily enhancing its functionality related to currency balance retrieval, transaction pushing, and code/ABI setting. They added a JSON output option for currency balance queries, refactored the transaction push process to use the `send_transaction` RPC where available, and corrected path handling for contract code and ABI files. Furthermore, they resolved a bug affecting the `sed -i` command on macOS within a plugin creation script.
smart-contractblockchain-platformethereumcontractblockchain
b1aafulei/eosio.contracts
May 2020 - Jan 2021
Smart contracts that provide some of the basic functions of the EOSIO blockchain
Contributions:9 pushes, 3 branches in 8 months
ethereumblockchainsolidityeosiosmart-contracts
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