Sean Aguinaga

Passionate IT Innovator

Transforming real estate transactions to be fast, easy, and reliable for everyone.

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About Me

I’m Sean Aguinaga, an IT visionary dedicated to revolutionizing the real estate industry. With a passion for technology and innovation, I’m building solutions that make transactions seamless, transparent, and accessible to all.

My Mission

Real estate should be simple. I’m leveraging cutting-edge technology to create platforms and tools that streamline the process, reduce complexity, and ensure trust for buyers, sellers, and agents alike.

Current Focus

Leading Product initiatives at Auction.com to dramatically improve the post-auction buyer experience.

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Post-Auction Closing Experience

Designing and driving a unified, buyer-centric platform that transforms a fragmented 30–60 day closing process into a clear, guided, and transparent journey.

  • Mobile-first closing dashboard with smart task prioritization
  • Real-time progress visibility and automated notifications
  • Self-service tools and improved document experience
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AI-Powered Verification

Building intelligent systems that dramatically reduce friction in document review and verification — starting with faster, clearer feedback loops for buyers.

  • Instant feedback on document issues
  • Guided resolution paths
  • Progressive automation across key closing documents

Passionate about turning complex real estate transactions into fast, reliable, and human-centered experiences.

Vibe Coding

Personal experiments, tools, and creative projects I build for fun.

Buy & Hold

Investor Buy & Hold Calculator

Model long-term real estate investments with cash flow, IRR, Cash-on-Cash, taxes, and more.

Interactive Tool →
Coming Soon

Next Vibe Project

Another personal tool or experiment.

Coming Soon

Future Vibes

More tools and creative coding sessions.

Investor Buy & Hold Calculator

Model your next deal with cash flow, Cash-on-Cash, IRR, and equity build-up.

Deal Inputs

Building the form...
(Next message will have full working version)

Results • 5 Year Hold

Cash-on-Cash Return: --.--%
Monthly Cash Flow: $ --
IRR: --.--%
Total Equity: $ --
Cap Rate: --.--%

Contact Me

Interested in collaborating or learning more about my work? Reach out!