Software Developer + Electronic Engineer, Strategy. Creative.
Expertise
Client work
What it covers
Backend services built around clear domain boundaries: hexagonal modules, messaging between services and tests that cover each use case.
- Go
- Nest.js
- Kafka
- RabbitMQ
- + Go and Nest.js services
- + Event-driven architecture, Outbox and CQRS
- + PostgreSQL, MongoDB and Prisma
- + Rate limiting, tracing and structured logging
My own productsSee what I buildGo to the list ↓The work behind it
- 01Mottika, Tres Astronautas A multi-tenant switch that validates, routes, prices and reconciles card transactions.
- 02UnCierre, Conversion Event-sourced microservices for real-estate sales and rentals, with a dashboard and a mobile app.
- 03GetSellers, Tres Astronautas Handover and modernization of a live lead marketplace, with a prepaid wallet on Stripe.
What it covers
Next.js applications with role-based access, internationalization and a shared design system across apps.
- Next.js
- React
- Tailwind CSS
- + Role-based access and single sign-on
- + Bilingual interfaces
- + Shared component libraries in monorepos
- + Static exports served from Firebase Hosting
My own productsSee what I buildGo to the list ↓The work behind it
- 01Midea HVAC, Tres Astronautas A bilingual portal, back-office and API with role-based access and a thermal load calculator.
- 02GetSellers, Tres Astronautas Handover and modernization of a live lead marketplace, with a prepaid wallet on Stripe.
- 03NIDO, Tres Astronautas A condominium platform with a resident app, a staff app and a web portal.
What it covers
React Native apps for daily use, designed to keep working when the connection does not.
- React Native
- Expo
- NativeWind
- Skia
- + Expo and React Native for iOS and Android
- + Offline registration and sync
- + Push notifications
- + Device binding and OTP verification
My own productsSee what I buildGo to the list ↓The work behind it
- 01NIDO, Tres Astronautas A condominium platform with a resident app, a staff app and a web portal.
- 02UnCierre, Conversion Event-sourced microservices for real-estate sales and rentals, with a dashboard and a mobile app.
- 03Comfandi Digital Products, OL-Software A health portal and app for appointments and lab results, and an assessment platform.
What it covers
Architecture that is written down: C4 diagrams, quality attributes and domain models, with each decision recorded next to its trade-off.
- C4
- Hexagonal
- SDD
- + C4 diagrams from context to components
- + Domain models and system flows
- + Decisions recorded with their trade-offs
- + Dependency rules checked in CI
My own productsSee what I buildGo to the list ↓The work behind it
My own products
What it is
A mobile app for cattle farms in Colombia: farms and paddock rotation, herd records with genealogy and weights, health and reproduction, milk, supply inventory, finances with receipts, exportable reports, team roles, push alerts and offline registration, on Expo and Supabase.
- Expo and React Native
- TypeScript and expo-router
- NativeWind (Tailwind)
- Zustand
- React Hook Form and Zod
2026Open the projectRead the case study ↗In numbers
- 22capabilities
- 98features
- 25SQL migrations
What it is
An IoT platform where makers connect their devices, watch their data live on dashboards and automate them with rules and schedules, on the web and on the phone.
- Go
- Next.js
- React
- Expo
- React Native
2026Open the projectRead the case study ↗In numbers
- 16product capabilities
- 29device models in the catalog
- 3ways to connect: HTTP, WebSocket and MQTT
What it is
A multi-tenant SaaS for neighborhood pharmacies and chains in Colombia: batch inventory with FEFO, pricing, purchasing, a point of sale that keeps selling offline, cash and store credit, plus a console to run the platform.
- Go
- Next.js
- React
- Postgres with Row-Level Security
- Redis and asynq
2026Open the projectRead the case study ↗In numbers
- 205features in the backlog
- 99features already complete
- 5pharmacy segments with their own rules