Software Engineer · Seoul
Hong
ByeongSu.
Engineer who believes in a verifiable, open economy — and building toward the day decentralized systems become the norm, not the exception.
Full Stack Engineer
Jul 2023 — Feb 2026
Manythings · Seoul
Mitosis
DeFi protocol enabling programmable liquidity across multiple chains. Led protocol design and smart contract development across EVM and CosmWasm. Reduced validator operation costs by 20–30%.
Hyperlane (cw-hyperlane)
CosmWasm implementation of the Hyperlane interchain messaging protocol. Operated validators across 114+ chains on Kubernetes. Optimized RPC queries by ~28%.
Kaizen
Price range prediction market protocol. Architected the node in Rust with modular STF design. Achieved 180k+ TPS in internal testing.
GolangRustSolidityTypeScript
Software Engineer
Jan 2022 — Dec 2022
Terraform Labs · Seoul
Anchor Protocol
Contributed to eth-anchor, the Ethereum bridge layer for Anchor Protocol. Engineered Solidity smart contracts for seamless cross-chain interactions between Ethereum and Terra.
Pylon Protocol
Led end-to-end design and development of Pylon Protocol, a yield redirection platform on Terra. Architected core contracts and developed CosmWasm smart contracts in Rust, supporting peak TVL of $200M+.
Mirror Protocol
Designed and deployed Ethereum-side yield farming contracts for Mirror Protocol. Architected and implemented liquidity yield farming smart contracts in Solidity, ensuring secure handling of $100M+ in liquidity.
GolangSolidityRustTypeScript
Blockchain Engineer
2018 — 2021
AB180 · Seoul
Airbloc Protocol
Contributed to a decentralized data trading system, working across smart contracts, SDKs, and worker services. Developed and tested smart contracts in Solidity (Truffle), achieving 100% branch coverage.
Airbloc Data Pipeline
Participated in building a data pipeline processing batch and real-time data from extractive consortium partners. Supported infrastructure migration from AWS Lambda to Kubernetes (Argo Events / Argo Workflows).
GolangSolidityPythonKubernetes
Languages
Go · Rust
Solidity · TypeScript
Python
Blockchain
EVM · CosmWasm
Cosmos SDK · Anchor
Solana
Infra
Kubernetes · Terraform
AWS · Argo
Foundry
Protocols
Hyperlane · Mitosis
Osmosis · Rollkit
Ponder