Software developerbuilding productsand systems end to end.
Co-founder of Pick5. Partner at Harper Web Services.
Based in Washington, D.C.
Featured Projects
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Pick5
Setlist prediction game for jam band shows, built on real-time setlist data. 3,000+ users across web and iOS.
React NativeNext.jsPostgreSQL

Glyph Hash
Immutable audit logging on Hedera. Hash any file or document and permanently record its fingerprint on-chain.
ReactHedera SDKNode.js
Riff
AI guitar solo generator. Feed it a chord progression and genre, get a playable solo with fretboard visualization and tab notation.
Next.jsTypeScriptWeb Audio
Focus Areas
Data & Systems
PostgreSQL, data pipelines, automated reporting, internal tools
Frontend
React, Next.js, Tailwind
Backend
Node.js, Express, PostgreSQL, REST APIs
Web3
Solidity, Ethers.js, Hedera SDK
Reach out — best way is email.
harrison.c.harper@gmail.com