← David Díaz Tunjano

About

Education

Industrial Engineering — Diploma in Computer Science

Pontificia Universidad Católica de Chile (PUC), Santiago, Chile · 2015 — 2022

Industrial Civil Engineering with a Diploma in Computer Science. Teaching assistant lead for the Research, Innovation & Entrepreneurship course (2019–2022).

Professional Experience

Lead AI Software Engineer

ConsiliumBots / TetherEducation, Remote · LATAM · Mar 2025 — Present

I lead AI engineering for public-education programs across LATAM. I architected and built MELO CREO (Medellín) and the SLEP enrollment agent (Chile) end to end — conversational AI agents that reached 13,000+ and 35,000+ students respectively, with measurable academic outcomes.

  • Python
  • LangGraph
  • LLM Agents
  • n8n
  • AWS
  • GCP
  • Docker
  • FastAPI
  • MongoDB
  • React

Full Stack Software Engineer

MINECON (Ministerio de Economía, Chile), Santiago, Chile · Jan 2024 — May 2024

Built a national web application visualizing the impact of 800+ programs from the Sustainable Productive Development division, with consolidated metrics and per-program detail.

  • Python
  • React
  • TypeScript
  • Node.js
  • SQL

Full Stack Software Engineer

Inventures, Santiago, Chile · Aug 2022 — Dec 2023

Designed and shipped digital products for process optimization. For Minera Escondida (a leading mining operation), I built a smart cross-shift truck-assignment system ("Uber for trucks") that cut the idle rate by 1%. Also worked on logistics and operations for a pharmaceutical company.

  • Python
  • React
  • Next.js
  • TypeScript
  • Node.js
  • AWS CDK
  • Docker

CTO & Co-founder

Brolly, Santiago, Chile · Jan 2022 — Jul 2022

Co-founded a fintech + financial-education startup as CTO. We built a platform for friendly financial education and better credit access — selected by Platanus Ventures, LATAM's top startup accelerator.

  • React
  • Node.js
  • TypeScript
  • SQL
  • Docker

CEO & Co-founder

LightWash, Santiago, Chile · Jan 2020 — Oct 2021

Co-founded and led LightWash, a pioneer in UV-C sanitizing machines deployed across 9 health centers in Santiago during the pandemic. I paused my final year of engineering to lead fundraising (CORFO), operations and investor relations — which earned us a scholarship to optimize production in Shenzhen, China.

  • Hardware
  • UV-C
  • Operations
  • Fundraising

Skills

Extracurricular Roles

VP, UC Engineering Student Council

Pontificia Universidad Católica de Chile (PUC), Santiago, Chile · 2018

Lead TA, Research–Innovation–Entrepreneurship

Pontificia Universidad Católica de Chile (PUC), Santiago, Chile · 2019 — 2022

Competitions

100 Young Leaders of Chile 2021

El Mercurio + Universidad Adolfo Ibáñez

Achievement: Recognized among Chile's 100 most promising young leaders. (2021)