Hirokazu Miyaji (chaosprank)

I create something someone will be happier than last week

Yokohama, Kanagawa, JP
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Build, Ship, Shape: Amazon Developer Hackathon

Online

Build across Amazon Devices and shape what's next.

$138,000 in prizes
Oct 23, 2026 03:00 PM EDT to submit
53150 participants

RevenueCat Shipaton 2026

Online

Ship apps and start making money.

$740,000 in prizes
Winners TBD
28630 participants

Agents for Humans Hackathon

Online

Build an AI agent with Strands Agents SDK that handles repetitive tasks

$40,000 in prizes
Winners TBD
9920 participants