Open to opportunities

Renato Freitas

@renatofreitas

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Full Stack Developer and Automation & AI Engineer.

Brazil

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What I'm looking for

I seek roles building scalable SaaS and AI-driven automations, working with modern stacks and self-hosted infrastructure, in teams valuing automation, performance and practical solutions.

I am a Full Stack Developer and Automation & AI Engineer with a focus on integrating modern web stacks and enterprise frameworks to deliver scalable SaaS solutions.

I develop end-to-end web applications and custom SaaS modules using Next.js, React, Node.js, Angular, and Laravel, and I build backend services and REST APIs to connect CRMs, ERPs, and other systems.

I implement AI integrations—including AI agents, MCP, RAG, and Evolution API—automate workflows with n8n, and manage self-hosted infrastructure with Docker, Portainer, GCP, and Nginx to ensure reliable production deployments.

I have experience reducing manual operations through automation, managing CI/CD pipelines, and deploying open-source tools for customer support and data synchronization, and I bring practical, results-driven engineering to every project.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer

Current

Virtux Tech

Nov 2025 - Present (1 month)

Developed custom SaaS modules with Angular and Laravel, implemented AI agents via MCP to optimize ticket triage and customer support, and managed backend services and integrations to improve data sync and automation across ERPs.

Next.js Angular Laravel MCP N8n Docker GCP CI CD

Current

Full Stack & Automation

Current

Independent Consultant

Sep 2022 - Present (3 years 3 months)

Developed WhatsApp AI agents using Node.js and Evolution API and deployed high-performance landing pages and hosting environments for diverse clients to improve engagement and delivery speed.

Node WhatsApp Integrations N8n Docker Hosting Performance Optimization WhatsApp Integration

Full-Stack Developer

Margo Web

Sep 2022 - Oct 2025 (3 years 1 month)

Built end-to-end web applications (e-commerce, CMS) with Next.js/React and Node.js, developed REST APIs for CRM/ERP data sync, and implemented automations with n8n to reduce manual operations.