John Okyere
Software Engineer
I build AI-native and on-chain products, with a focus on how they work and feel.
Currently building 
ZenithPay — the spend control layer for the agentic economy.
Previously Founding Engineer at 
Necta Finance. 8× international hackathon winner.
Selected Work
Autonomous agents that earn you the best stablecoin yield.
- 2025
Personal AI voice companion for emotional well-being.
- 2024
Decentralized social co-investing platform for creators.
- 2025
On-chain sound rights platform for music creators.
- 2025
Experience
Awards
- Safe Agentathon
Advanced Portfolio Management Track — 1st Place
- 2025
- ETHOnline (ETHGlobal)
Best use of Artificial Superintelligence Alliance — 2nd Place
- 2025
- TOKEN2049 Singapore Origins Hackathon
Best App on Celo - 2nd Place
- 2025
- Somnia AI Hackathon
DeFi Agent Track — 2nd Place
- 2025
- Solana Cypherpunk Hackathon
ASI Agents Track — 3rd Place
- 2025
- Lens Spring Hackathon
Honorary Mention #2
- 2025
- Story World Assets Buildathon
Tomo SDK Bounty Winner
- 2025
- Zora Coinathon
Prize Pool Winner
- 2025
Highlights
African Builder Stories Singapore
Building at ETHiopia Builder Residency
Hacking at ETHiopia Builder Hackathon
Pitching at ShanHaiWoo Singapore
Building at ShanHaiWoo Singapore