Ramon Mandujano IIIRamon M. III AI Engineer
LinkedIn GitHub Resume

I build AI systems, platforms & communities.

AI Engineering Intern at Southern Company. CS at KSU. Graduating December 2026. Founder of Tercero.

Where I've studied & worked

  • Kennesaw State University
  • Southern Company
  • Georgia Tech Research Institute
  • Tercero
  • Batson-Cook Construction
  • HoPe — Hispanic Organization Promoting Education

Selected Work '26

Camino

Next.js · Postgres, '26 — Multi-tenant chapter management platform.

Screenshot: Camino chapter dashboard

1,281 passing tests

Next.js 16React 19TypeScriptDrizzlePostgreSQLClaude API
  • Architected a multi tenant chapter management platform on a 96 table PostgreSQL schema, modeling a four tier National → Region → Sector → Chapter hierarchy across 12 permission roles.
  • Built a centralized authorization layer enforcing per tenant row isolation across 216 Server Actions and 32 API routes.
  • Shipped 1,281 passing tests with Stripe subscription billing and Claude API interview briefings.

Study Tutor

Claude API · React, '26 — Socratic tutoring agent with adversarial evaluation.

Screenshot: Study Tutor chat with a worked math explanation

0% answer leakage

Express 5React 19Claude APISupabase
  • Built a Socratic tutoring agent that withholds answers behind a mastery gate, with three-model cost tiering and JSON schema structured outputs.
  • Designed a three-layer prompt injection defense and adversarial eval harness of 15 attacks across 5 categories; measured 0% answer leakage.
  • Intercepted 86.7% of attacks with a zero-cost heuristic screen before any API call; 118 passing tests.

FootyLocal

Expo · PostGIS, '26 — Location-based pickup soccer platform.

Screenshot: FootyLocal Discover map with nearby pickup games

21 RLS policies

Next.jsExpoSupabasePostGISStripe
  • Built a pickup soccer platform with PostGIS proximity search over GiST indexed columns, on Next.js web and Expo mobile.
  • Pushed authorization into the database with 21 RLS policies and SECURITY DEFINER RPCs, so web and mobile can't drift.
  • Designed a privacy model releasing exact coordinates only to confirmed participants, enforced in SQL.

Websites I've built

More about me — experience, leadership & photos