Jeroen Zwiers (jrzwiers80)

NL

Kiroween 2026

Featured

Online

Build something wicked and git commit to the darkness.

$100,000 in prizes
Submissions open soon
1804 participants

PayPal AI Hackathon

Online

Build what’s next with PayPal and AI

$67,500 in prizes
Nov 12, 2026 03:00 PM EST to submit
23095 participants

Life After Code

Online

The path to production at the speed of imagination

$45,000 in prizes
Winners TBD
3333 participants

Build, Ship, Shape: Amazon Developer Hackathon

Online

Build across Amazon Devices and shape what's next.

$138,000 in prizes
Winners TBD
65050 participants