Iván Santander Tech Lead and Product Owner. Product · Engineering · AI
Architecture of systems in production and technical prioritization at a clinical trial platform.
- 7+
- years
- 20+
- projects
- 3
- industries
Focus
Simplifying production systems that grew faster than their team, without slowing delivery.
Work
Some of my own projects. Each case covers the problem, the decisions and the outcome.
-
Talonaria: a multi-tenant ERP for Colombian small businesses
In many Colombian small businesses, the books don't match the business. Talonaria is a multi-tenant ERP where every money operation creates its journal entry in the same transaction.
- Next.js
- TypeScript
- PostgreSQL
- Prisma
- Jotai
91data models~300HTTP endpoints1,138test cases -
An app for practicing English every day
A personal app for practicing the Present Simple with real exercises, sentence-by-sentence AI feedback and an engine that picks what to practice based on mistakes.
- React
- Vite
- Tailwind
- Node.js
- tRPC
131automated tests29tRPC procedures19data models -
Two AIs talking to each other
Two language models left to talk on their own get stuck offering each other help. eco-loop is a lab for measuring when that happens and what breaks it: 195 replicated trials for $1.02.
- Python
- JavaScript
- Ollama
- OpenRouter
195trials in Lab 0254 → 68 %originality when given a human role0 of 63trials with “how can I help you?” when the seed is a dream
Before this
- A payment gateway for a mobile app.
- API management and automation in healthcare.
- Mobile apps for clinical monitoring.
- QR-based access control.
That's where my experience with integrations, payments and digital health comes from.
Let's talk
To talk about architecture, technical leadership or any of these cases, get in touch.
Message me on LinkedIn View GitHub
Medellín, Colombia · Works remotely