Systems Engineer in Cartago, Costa Rica, with 12+ years in Linux administration, cybersecurity support and ITIL change management for enterprise clients — IBM, Kyndryl, Kaiser Permanente, Tek-Experts. Today I work on IBM QRadar SIEM support and high-availability deployments. I like turning repetitive, error-prone manual work into small, well-tested tools.
| Project | What it does | Stack |
|---|---|---|
| restaurant-simulation-API | A FastAPI service that simulates restaurant orders and exposes /metrics, deployed on a local Kubernetes cluster with a full observability stack: Prometheus scraping, Alertmanager rules and Grafana dashboards. An SRE lab end to end. |
Python · FastAPI · Docker · Kubernetes (Minikube) · Prometheus · Grafana |
| card-installment-tracker |
Tracks credit-card purchases financed in installments. Config-driven rules generate an Excel with live formulas; paid installments are inferred from the date. Tests recalculate the workbook with LibreOffice and check it against the Python model. | Python · openpyxl · pytest · Actions |
| landed-cost-pricer |
Parses supplier invoice PDFs, allocates freight by weight and fees by value, splits cases into sellable units and prices each one with live margins. | Python · Streamlit · pdfplumber · pandas |
The last two grew out of running a small import business on the side: the spreadsheets we filled by hand became the spec.