James Bayly is a founder and product-focused technology leader with five years of focused experience scaling web3 infrastructure and AI-enabled products from seed to Series A and beyond. Based in Auckland, he co-founded and served as CPO of SubQuery—now the second largest open-source data indexer in web3—helping raise over $20M and shipping AI features that leverage decentralized data indexing and inference. He’s led growth, product, operations and investor relations at RPC and infrastructure companies like OnFinality, and has hands-on engineering and product experience across developer tooling, wallets, and enterprise platforms. An active open-source contributor, James has improved documentation and integrations for prominent projects such as SubQuery’s subql and the polkadot-js/apps UI, including multi-language docs and parachain endpoint work. He combines entrepreneurial grit with a background in software engineering (B.E., University of Canterbury) and a consistent record of turning complex technical requirements into market-ready products.
5 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (B.E.), Computer Software Engineering, Bachelor of Engineering (B.E.), Computer Software Engineering at University of Canterbury
SubQuery is an Open, Flexible, Fast and Universal data indexing framework for web3. Our mission is to help developers create the decentralised products of the future.
Role in this project:
Technical Writer
Contributions:32 reviews, 67 commits, 58 PRs in 1 year 9 months
Contributions summary:James primarily contributed to the project by updating and improving the documentation. Their work included refining existing documentation, adding new content, and updating the documentation to reflect changes in the codebase. The commits involved modifications to the documentation configuration and content files, as well as adding new sections and examples. Additionally, they added translations for the documentation into multiple languages.
Basic Polkadot/Substrate UI for interacting with a Polkadot and Substrate node. This is the main user-facing application, allowing access to all features available on Substrate chains.
Role in this project:
Full-stack Developer
Contributions:2 commits, 7 PRs, 10 comments in 1 month
Contributions summary:James primarily focused on updating configuration files and endpoints for the Polkadot/Substrate UI. They added and removed endpoints for various blockchain networks, particularly related to OnFinality. Their work involved integrating different providers and ensuring the UI correctly displayed available networks and services. The user also made changes to support specific parachains within the Polkadot and Kusama ecosystems.
substrateblockchainwalletchainssubstrate-node
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