ANDRES QUINTERO

Legaltech company

• Sole technical profile in the company: development, applied AI, infrastructure and security.
• RAG over Spanish case law and legislation (CENDOJ, BOE) with Vertex AI Search and an own FastAPI backend: hashed keys, signed URLs, sessions and audit trail.
• Communications hub unifying WhatsApp, email and telephony: calls transcribe themselves and arrive with a summary, key dates and actions.
• On-premise server on Proxmox and OPNsense: segmented network and self-hosted stack, removing the recurring SaaS cost.

Own subscription business

• More than 400 customers acquired by me: social media acquisition, sales and support over WhatsApp.
• Recurring billing in InvoiceNinja, with automated collection and reconciliation.
• I run it single-handed because it is automated end to end.

Subscription proxy service, own business

• More than 150 paying customers, billed by connected device count.
• AWS infrastructure deployed and operated entirely by me, single-handed.
• Continuity under denial-of-service attacks: address rotation, migration and recovery without cutting customers off.

Own restaurant

• Own venue with up to seven employees, built through the pandemic on demand captured beforehand on social media with automations of my own.
• Self-hosted Odoo on Docker for sales, inventory, purchasing and invoicing; cameras installed and operated by me.