Liam Aharon
Core Protocol Engineer at Opentensor Foundation
Melbourne, Victoria, Australia
Summary
🤩
Rockstar🎓
Top SchoolLiam Aharon is a Core Protocol Engineer and Full-Stack Web3 developer with a decade of engineering experience and 5+ years focused on shipping and scaling products at early-stage blockchain startups. He’s contributed to high-profile open-source projects like Parity’s Substrate and Polkadot—working on runtime upgrades, migration hooks, try-runtime improvements, and storage management—bringing deep Rust and low-level blockchain runtime expertise. Liam has built production-grade infrastructure across the stack, from real-time mempool streaming and MEV research to DevOps and observability, and has led wallet and ETL efforts earlier in his career. Based in Australia, he combines hands-on protocol work with product-minded engineering, and uniquely pairs on-chain runtime fixes with pragmatic data-driven systems for trading and analytics.
10 years of coding experience
6 years of employment as a software developer
Polkadot Blockchain AcademyBlockchain development, Blockchain development at ConsenSys Developer ProgramThe University of Melbourne
English
Stackoverflow
101reputation
223reached
0answers
1question
Github Skills (21)
substrate10
runtimes10
run-time10
parity10
runtime-compilation10
polkadot-js10
blockchain10
nodejs10
rust10
polkadot10
nodes10
runtime-environment10
refactor9
storage9
refactoring9
Programming languages (18)
Github contributions (5)
paritytech/polkadot-sdk
Aug 2023 - Jul 2025
The Parity Polkadot Blockchain SDK
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 742 reviews, 112 PRs in 1 year 11 months
Contributions summary:Liam primarily contributed to the back-end development of the Parity Polkadot Blockchain SDK. Their commits focused on bug fixes and improvements to the codebase. Key areas of involvement included fixing documentation links, addressing documentation issues related to try-runtime, and refactoring of the codebase. The user also demonstrated knowledge of storage management and runtime upgrades in the context of this blockchain SDK.
blockchainpolkadotcumulussubstrate
paritytech/substrate
Mar 2023 - Aug 2023
Substrate: The platform for blockchain innovators
Role in this project:Back-end Developer
Back-end DeveloperContributions:261 reviews, 55 PRs, 386 pushes in 5 months
Contributions summary:Liam primarily contributed to the Substrate blockchain platform, focusing on runtime development and improvements. They addressed documentation issues, removed redundant code, and fixed set_balance return values within the codebase. The user also worked on enhancing the try-runtime feature, which is critical for runtime upgrades, by implementing dynamic storage query sizes and improving CI stability. Furthermore, they contributed to various migration hooks and refactored code for improved efficiency and stability.
blockchainsubstrateparitypolkadotnode
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