Professional · Intercargo Panamá, via Kaizen Apps CR2026 – present
Intercargo platform | Internal ERP and public site
Public site and internal portal on separate services, so a fault on the site cannot reach client documents.
- Security
- Full stack
Available for a professional internship, January to April 2027
I build software and share what I learn about security and coding with AI.
I am a software developer based in Puntarenas, Costa Rica. I work on corporate platforms, internal tools and mobile apps for logistics and HR software companies in Costa Rica and Panama.
- TypeScript
- Next.js
- React
- Node.js
- Google Cloud
- Docker
- MySQL
- Playwright
- Vitest
- Python
- Cisco
- Claude
My experience
I work with three companies in parallel: logistics in Costa Rica and Panama, and HR software.
Featured projects
These four systems are in use. Each write-up explains why it was built, what was decided and what now runs.
- Professional · Kaizen Apps CR2025 – 2026
Kaizen AI | Business intelligence
Companies query their data in plain language, and the server limits every answer to their company and their role.
- AI
- Security
- Professional · Star Cargo Service2026 – present
Star Cargo Service platform | Requests and case files
Eight online requests that end up in a portal where clients follow their submissions and the team handles them.
- Full stack
- Professional · Star Cargo Service2026
Star CRM | Sales management
Replaces the spreadsheets of several branches with a single record, with permissions by role and branch.
- Full stack
- Security
Latest articles
Each article explains a problem in web security or in coding with AI, with checks you can run on your own project.
- September 27, 202624 min read
How to secure a web application: a layer-by-layer guide
The ten layers that protect a web application with users, with an Express example and how to check each one.
- Security
- September 27, 202622 min read
How to set up a complete environment for coding with agents
Reviewer subagents, work agents and a prompt that sets them up in your project, with what each piece costs.
- AI
Tools
Every tool is tagged with the area I use it in.
35 of 35 tools
- TypeScript
- JavaScript
- React
- Next.js
- Astro
- Tailwind CSS
- Node.js
- NestJS
- Python
- Cisco
- Playwright
- Vitest
- Jest
- Google Cloud
- AWS
- Azure
- Docker
- Linux
- Vercel
- Render
- GitHub Actions
- Git
- PostgreSQL
- MySQL
- Supabase
- Redis
- Firebase
- MongoDB
- Expo
- Android Studio
- Kotlin
- Java
- SQLite
- Claude
- Gemini