plan · 04
Skills
Technologies and practices I use to build production software. Every item is backed by code in my recent activity.
- TypeScript / Node.js (Express, Prisma)
- MySQL / MariaDB (queries, migrations, indexes)
- Python 3 (FastAPI, async SQLAlchemy, Pandas, uv)
- SQL — analytical and transactional
- Next.js 15 (App Router, React 19, Server Actions)
- Google BigQuery (parameterized queries, jobs)
- Cloud Run, Cloud SQL, Cloud Scheduler, Cloud Build
- Idempotent batch pipelines
- Operational data modeling (229 models in Prisma)
- Docker
03
Integrations I've worked with
- REST · Webhooks
- Electronic invoicing (AFIP / Presea)
- MercadoPago (QR / Smart POS / Point)
- SiTef / CliSiTef terminals
- Notion API · Google Sheets API · FTP
- SOAP / XML (xml2js)
- Magento API · Mercado Libre API
- WhatsApp Business API
- Vitest, Node test runner, Supertest, Playwright (E2E)
- Versioned SQL migrations with rollback scripts
- ESLint, Prettier
- ADRs and implementation plans before coding
- Spanish — native
- Technical English (docs reading, B1)