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7+ years web3 engineer specializing in smart contract, advanced cryptography (ZKP, FHE), and full-stack (React/Next.js) development. On-boarded 500+ developers. Held 7 cohorts of multi-series courses. Organized Web3 Asia Summit for Polkadot ecosystem with 700+ attendants including VCs, startup teams, and node validators.
For my professional experience, please refer to my LinkedIn profile.
- Smart Contract: Solidity (5 yrs), Foundry, Hardhat, Tenderly txs simulator, account abstraction ERC-4337, ERC-7579, Pimlico permissionless, Rhinestone modulekit
- System/Protocol: Rust (4 yrs)
- Front end: Typescript (7 yrs), Next.js/React, wagmi, viem, ethers.js
- DevOps: shell, Github CI, Docker, Vercel, AWS, Google Cloud
Openzeppelin Ethernaut Solver
2026 Jan - Mar
- Solved 90% of Openzeppelin Ethernaut Puzzles (🧑🏻💻 solutions repo)
- Ranked #19 out of 9,978 participants on the leaderboard (user: jimmychu0807)
- Key skills: Solidity, Foundry, ECDSA Signature, Typescript
zkVM Integration on Ethereum Consensus Client (Ethereum Protocol Fellowship Cohort 6)
2025 Jun - Dec
- Integrated zkVM Brevis Pico (PR#386) and Zisk (PR#475) into Ethereum Client Grandine to benchmark Ethereum state transition function
- Devconnect 2025 Presentation
- Key skills: zkVM (Brevis Pico, RiscZero VM), Ethereum client (Grandine, Ream), Eth spec & testing, Rust
Voting dApp on Zama fhEVM
2025 Apr - May
- Built privacy-preserving voting dApp using Zama fhEVM. Respondent answers are encrypted client-side (FHE) with aggregation/filter performed on-chain
- Second-place winner in Zama Bounty Program Season #8
- 🌐 dApp website | 🧑🏻💻 Github repo | 🎥 Demo video | 📜 Write up
- Key skills: Zama fhEVM, Hardhat, Next.js, wagmi, viem, FHE
Anonymous Multi-Sig Smart Account Module with Semaphore ZK Modules
2024 Nov - 2025 Mar
- Developed a multi-sig wallet that preserves signer privacy using Semaphore
- Project granted by PSE Acceleration Program / Ethereum Foundation
- 🌐 dApp website | 🧑🏻💻 Github repo | 🎥 Demo video | 📜 Write up
- Key skills: Semaphore, Account Abstraction, Tenderly tx simulator, Rhinestone moduleKit, Pimlico permissionless
ZK Number Guessing Game (PSE Core Program Capstone Project)
2024 Jul - 2024 Sep
- Webapp game that awards players making a guess closest to all participants' mean
- Adopted zero-knowledge proof with commit-reveal scheme written in circom for the core logic
- 🌐 dApp website | 🧑🏻💻 Github repo | 🎥 Demo video | 📜 Write up
- Key skills: Semaphore, Hardhat, Next.js, Circom 2, CircomJS
Advisor on Developer Relations | CESS Network
2023 May - 2024 Jun
- Launched the v1 of documentation portal, providing an accessible entry-point for developers and accelerating project onboarding.
- Developed the course curriculum for CESS, and ran the first cohort to on-board developer.
- Designed and monitored the developer on-boarding funnel, on-boarding 200+ developers to the platform.
- Delivered high-impact talk in Polkadot Blockchain Academy HK 2024 in front of 100+ students.
Lead of Developer Relations | AltLayer
2022 Mar - 2023 Apr
- Architected and implemented the core EVM-compatible rollup protocol stack, utilizing polkadot-sdk and Rust as the foundation.
- Delivered cross-chain bridges supporting ERC-20/ERC-721 transfer logic, work with DevOp team to manage production deployments.
- Conducted online and offline workshops and represented my employer on ETHGlobal hackathons.
- Authored and maintained core platform documentation.
Developer Relation Engineer | Parity Technologies
2019 Sep - 2022 Feb
- Developed tutorials and demo projects to highlight platform features.
- Launched a multi-series online course to demonstrate Substrate/Polkadot features and onboard new developers efficiently.
- Expanded Polkadot/Web3 developer community, organizing 15+ AMAs and hackathons across Asia. On-boarded 500+ developers.
- Maintain key relationships with Asia/China VCs and liaise between VC and 10+ ecosystem teams in hackathon and industry conferences.
- Ethereum Protocol Fellowship Cohort 6
- Rareskill Zero Knowledge Bootcamp, study on Groth16.
- PSE Core Program, study on programmable cryptography.