Juan Silva

Juan Silva — Rio de Janeiro, Brazil Brazil Flag

Design Engineer. Next.js, Python, and scalable growth automation.

Available for US agency overflow and contract engineering. Rio runs one hour ahead of US Eastern — 100% synchronous overlap.

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High-Performance Next.js Architecture

Engineered a fully custom Next.js frontend to bypass the limitations of standard no-code builders, delivered in 3 days, replacing a 1-month no-code development bottleneck.

SpaceApps landing page preview

High-Conversion Funnel Engineering

Production marketing site for a Brazilian healthcare-growth consultancy. Astro with React islands, an interactive self-diagnosis quiz and ROI-calculator funnels, bot-protected capture wired straight into an automated WhatsApp follow-up pipeline.

PsiAtiva ROI-calculator funnel — live interactive tool

AI Agent Orchestration & Sales Automation

Engineered an AI-powered acquisition engine: n8n orchestration, a WhatsApp SDR agent with RAG memory on Postgres + pgvector, and Claude-driven lead enrichment and routing. Replacing ~15 hours of manual qualification work per week.

n8n agent-orchestration canvas — AI sales automation in production