About the event

DevFest is Google’s global developer festival, connecting hundreds of thousands of developers in 100+ countries each year. For the first time ever, Linz joins the global DevFest network with a full day dedicated entirely to AI. 👉 Register here

NOTE: Registering on Devpost does not give you access to the event, you must be admitted to GDG DevFest 2025 through our application process (here) in order to attend .

This hackathon brings together AI & CS students, developers, designers, and builders from across Upper Austria to create real, working AI prototypes in a single day. The event is designed to be practical, fast-paced, and community-driven. Hosted at JKU Linz, home to 3,000+ AI students, one of the most significant AI student communities in Europe and organized by Google Developers Group Linz and Young AI Leaders Linz

Requirements

To qualify for judging at DevFest Linz: Great AI Hackathon, every team must complete two things:

  • Build a working prototype (What to Build)
  • Submit all required materials on Devpost by the deadline (What to Submit)

What to Build

Your team must build a functioning AI prototype that fits the hackathon challenges announced and clarified during the Saturday briefing. Projects may be built using any tools, but recommended tools include f.e. Lovable, n8n, Google Gemini.

Your build must:

  • Include the core functionality of your idea. It does not need to be perfect, but it must run and demonstrate the key experience.
  • Be built by your team only. Teams of 3–5 members are permitted. All team members must be registered participants.

What to Submit

  • All projects must be uploaded to Devpost including the mandatory Deliverables:
  • Devpost Project Page: Filled with the core info of your project.
  • A wide-format PDF used for your pitch. Must include:
    • Project Name, Challenge Track, and Team Members' Names. Rules
    • Architecture Slide: A visual diagram of your software architecture (e.g., "Lovable UI -> Webhook -> n8n -> Vertex AI").
    • Project Link: Link to code (GitHub) or deployed site.
    • Demo (Optional): If you have a running demo, feel free to include a QR code on a slide.

CRITICAL RULE: If your project submission at 5:00 PM does not include the PDF with the required Architecture Slide, you will not be able to pitch.

Hackathon Sponsors

Prizes

3,000 in prizes
1st Place
1,500 in cash
1 winner

2nd Place
1,000 in cash
1 winner

3rd Place
500 in cash
1 winner

Devpost Achievements

Submitting to this hackathon could earn you:

Judges

Vicky Pirker

Vicky Pirker
Vicky Pirker UX Consulting

 Yaroslav Polyakov

Yaroslav Polyakov
Google

Valentin Hamburger

Valentin Hamburger
Google

Gordon Meyer

Gordon Meyer
Dynatrace

Mathias Fink

Mathias Fink
Startups Upper Austria

Judging Criteria

  • Idea & Innovation
  • Technical Implementation
  • Usefulness & Impact
  • Design & Presentation
  • Growth Potential
  • Best Use of Google Products

Questions? Email the hackathon manager

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Hackathon sponsors

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