
Omar Guerrero
I use AI and technology to build things and explore life.
Work
See all- Geospatial platform · LiveGeoFieldTools for interpreting vegetation indices and editing agricultural prescriptions within a mapping platform.
- Index visualization: color scales, filters and zones
- Pix4D dosage editor and server-saved versions
- Layer panels, controls and interface copy

- End-to-end SaaS · LiveMinicardSelf-service digital business cards: create, pay, publish and edit without talking to anyone.
- Stripe checkout and payment webhooks
- Postgres, image storage, APIs and an admin panel
- Magic-link editing, validation and abuse controls

- Product craft · Personal project · privateAureliusA personal training and tracking app: routine, set logging, weight, measurements and net worth in one phone-first flow.Astro · TypeScript · Neon Postgres · SVGCase studyPrivate appNo public access. The case study explains the architecture.
- One-tap set logging, prefilled from the previous session
- Hand-rolled SVG charts with keyboard and pointer cursor
- Works offline and syncs across devices through Neon
- Now · MVPPromoLocosAn MVP for a Mexican deals community, with promotion submissions, voting and comments. In progress.Astro 7 · Preact · Neon + Drizzle · Better Auth · PWApromolocos.com (opens in a new tab)

Tools
Calculators for Mexico with visible assumptions and cited sources. In Spanish.
Try it · Compound interest
- Contributed
- –
- Growth
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Same assumptions as the calculator: 10.5% a year (S&P 500, 30 years), 4% inflation and a contribution that rises with inflation. No taxes or fees.
Open the full calculator (Spanish)- Compound interestModel contributions, time horizon and compounding, and separate what you put in from what compounded.
- Real future valueSee how much purchasing power an amount keeps once inflation does its work.
- Life expectancyExplore your planning horizon: the odds of reaching 10 more years, 65 or a target age in Mexico.
- How rich are you?Place your income or wealth in the global distribution, adjusted for Mexican purchasing power.
- Investment accountsCompare Mexican banks, SOFIPOs and CETES by rate, liquidity and protection.
- Mexican income taxGross-to-net salary by month, fortnight or week with 2026 Mexican income tax.
- Buy vs. rentCompare the net worth of buying against renting and investing the difference.
Analysis, not personalized financial advice.
About
Engineer from Tecnológico de Monterrey with more than ten years designing, building and operating digital products. I use AI and software to create products and to study decisions about money, health and time with data.
More about me