Emmanuel Joseph
Full-stack Engineer (web2 and web3), serial builder, Ex Wikipedia
8 years building production systems, from DeFi protocols handling user funds to enterprise platforms serving thousands. I work across the full stack: React, Node, Solidity, Go. Currently building Shuttershow, a tool for photographers.
If you've searched on Wikipedia recently, you've probably used features I worked on. I helped Fitted.ng secure a $50k grant by rebuilding their technical foundation. I take security seriously, a bug I missed once cost a client $10k, and that failure changed how I build.
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Latest Posts
What I Learned Auditing a Solana Prediction Market Protocol
5th January, 2026
I recently completed a security audit for a Solana-based prediction market protocol. Found 17 issues including 2 high severity — vault insolvency from mixed dispute bonds and inconsistent balance checks. Here's what I learned and what other Solana developers should watch out for.
Read MoreHow a $10k Bug Taught Me to Build an AI Security Audit System
17th December, 2025
I missed a race condition that cost my client $10,000. Six months later, that failure helped me catch a critical vulnerability in my own smart contracts before launch. Inside: the 7-prompt AI audit framework I built, 5 prompts you can use today, and the exact bug that would have drained user funds.
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