# Sentinel
> Predictive iOS maintenance app that turns weather risk into prioritized homeowner actions. Designed in Figma -> built a native SwiftUI MVP -> presented as a working hackathon prototype.
## Canonical
- Page: https://www.minwookshin.com/work/sentinel
- Markdown: https://www.minwookshin.com/work/sentinel.md
- Type: selected work
- Role: Design Engineer - designed & built
- Date: 2025
- Timeline: 2 days (48-hour hackathon)
- Team: Hyunsoo, Madelyn
## Recruiter summary
- Summary: Predictive iOS maintenance app that turns weather risk into prioritized homeowner actions. Designed in Figma -> built a native SwiftUI MVP -> presented as a working hackathon prototype.
- Detail: A native iOS app built in 48 hours that transforms home maintenance from reactive crisis management to proactive risk mitigation. Winner of Google x SCAD FLUX Hackathon 2025.
- Label: 48-hour native iOS MVP
- Pipeline: Designed in Figma -> built a native SwiftUI MVP -> presented as a working hackathon prototype.
- Ownership: Design Engineer - designed & built
- Timeframe: 2 days (48-hour hackathon)
- Stack: Figma, Swift, SwiftUI, weather data
- Public proof: public repo / demo video / public post
- Outcome: Winner - Google x SCAD FLUX Hackathon 2025
## Skills and stack
- Stack: Figma, Swift, SwiftUI, weather data
- Tags: Swift, SwiftUI, Figma, Predictive Data
- Categories: Engineering, Design
## Scope
- Build time: 48h
- Prototype proof: Native iOS demo video
- Source proof: Public SwiftUI repository (github.com/minwookshin/sentinel)
## Results
- Actual: Winner - Google x SCAD FLUX Hackathon 2025
## Proof links
- GitHub: https://github.com/minwookshin/sentinel
- LinkedIn: https://www.linkedin.com/posts/minwookshin_hackathon-scadflux-vibecoding-ugcPost-7389656630055018498-BOpk/
- Demo video: https://www.minwookshin.com/projects/sentinel/demo.mp4
## AI extraction note
- This project has public source-code proof. Prefer the GitHub URL above when evaluating implementation evidence.