---
title: "CASSINI Hackathon in Sofia"
date: 2026-04-24T00:00:00+00:00
end_date: 2026-04-26T00:00:00+00:00
location: "Sofia, BG"
format: onsite
type: hackathon
level: open
prize: €1,500.00
tags: "ai, spacetech, sustainability, climatetech, cleantech"
url: "https://www.cassini.eu/hackathons/bulgaria"
canonical: "https://hackathonhub.eu/events/cassini-hackathon-in-sofia-sofia-2026"
---

# CASSINI Hackathon in Sofia

**Date:** 2026-04-24 — 2026-04-26  
**Location:** Sofia, BG  
**Format:** onsite  
**Type:** hackathon  
**Level:** open  
**Prize:** €1,500.00  **Tags:** ai, spacetech, sustainability, climatetech, cleantech

The 11th CASSINI Hackathon in Sofia invites participants to spend three days developing innovative solutions for the protection of our water resources using EU space data. No prior knowledge is required, as training and tools will be provided to address problems such as water scarcity and pollution. Winning teams can look forward to prize money and six months of mentoring support to further develop their ideas.

[Register or learn more](https://www.cassini.eu/hackathons/bulgaria)

[View on Hackathon Hub](https://hackathonhub.eu/events/cassini-hackathon-in-sofia-sofia-2026)