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Hackathons

Building under a clock

I build something new most weekends. Here is the full story from a recent stretch, from a beach in Long Beach to Y Combinator's HQ.

Mar 21–22, 2026

1st overall + Best Sustainability

ReRoute

BeachHacks 9.0 · CSULB

Record a video of your unused stuff, then let AI agents identify items, estimate resale value, pick the best route, and publish listings.

  • Multi-agent valuation and routing across resale, return, trade-in, repair, and bundle paths.
  • Auto-generated marketplace-ready listings from one narrated capture.

The Pointe, CSULB

Mar 27–28, 2026

24-hour Gemini hackathon

Gemini multimodal build

GLITCH@UCLA × Google DeepMind

A UCLA build weekend around Gemini video, image, and audio models with Google mentors and engineers in the room.

  • Built in the first Glitch hackathon cohort, focused on fast multimodal prototypes.
  • Centered on shipping with Gemini and exploring new Google AI surfaces.

Carnesale Commons, UCLA

Apr 4–5, 2026

Best AI/ML Project

SwarmSell

DiamondHacks 2026 · UC San Diego

Film clutter once, then have browser agents swarm across eBay, Facebook Marketplace, Mercari, and Depop to list everything fast.

  • Analyzed frames from a single video to detect items and coordinate parallel marketplace posting.
  • Designed for sub-two-minute listing workflows across several resale channels.

UC San Diego

Apr 18–19, 2026

Built at YC HQ

On-device voice agents

Cactus × Google DeepMind × YC

A two-day voice-agents hackathon around on-device Gemma and low-latency Cactus inference, hosted at Y Combinator HQ.

  • Voice-controlled agents that run locally on phones and wearables.
  • Prize track included a guaranteed YC interview for the winning build.

YC HQ, San Francisco