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luc4s

Born in Buenos Aires, building in Austin, Seoul this fall. CS at UT Austin, previously an SWE intern at PayPal, growing Texas Blockchain. I build software that takes tedious work off people's hands, and write essays about everything else.

Built

2026 · In production

Patients book, move and cancel their own appointments by texting the clinic's WhatsApp in plain Spanish. No menus, no phone tree.

Live at Centro Médico CEPEM in Buenos Aires and in clinics across seven countries. It never diagnoses or recommends medication. Writing to a real clinic's calendar is the part that took a summer.

PayPal 2026 · Internship

Rebuilt the front end of PayPal's instant commerce links, the buttons a merchant uses to sell something from a photo, a price and a link.

Owned it from low-level design through a staged production ramp. Those buttons move more than a million dollars a month.

Texarg 2022 · Running

Custom automation for local businesses: appointment reminders, lead routing, document processing, billing. I map where a business is losing hours, then build the thing that stops it. Not templates.

Writing

Mostly religion and political philosophy. Class essays I liked enough to publish.

Religious Interpretations of Gender Inequality 01 Aug 2026

Is gender inequality justified by God, or has it been misinterpreted for millennia?

Idolatry, Truth, and Religious Boundaries 30 Jul 2026

Could there be a logical reasoning for the greater reconciliation between the Abrahamic practitioners, or even all religions?

Abundance of Freedom, Poverty of Property 28 Jul 2026

The State of Nature offers immense abundance in freedom. However, this freedom is worthless as it doesn't allow prosperity and property to gain value.

All essays on X →

Now

Updated 13 August 2026

Elsewhere