Sara Villegas Guzman
Desarrolladora En Automatizacion Y Machine Learning
Professional profile
Full Stack Developer and AI Engineer with 3+ years building products for US-based startups . Skilled in Node.js , React , FastAPI , LangChain , AI agents , automation , and CI/CD . Proven impact in reducing churn , optimizing databases , and deploying automation at scale
Work experience
Developed backend with NestJS and TypeScript, optimized PostgreSQL with Prisma ORM, reduced response times by 30%. Built real-time analytics dashboard in React. Orchestrated AI agents and automated workflows using n8n.
Major achievementArchitected and delivered a full-stack outreach automation platform integrating Firecrawl, Ahrefs, Hunter.io, Instantly, and AI agents. Built secure REST APIs, JWT authentication, and workflow automation with n8n.
Built conversational flows, automated responses, and integrated LLMs with business workflows across industries.
Major achievementDesigned and deployed AI-powered chatbots integrated with WhatsApp, delivering custom AI automation and integration solutions for business clients.
Managed client onboarding, reduced churn, delivered webinars, and gathered insights for product enhancements. Focused on client success and technical enablement.
Major achievementLed technical onboarding for SaaS platform, improved retention by 30%, facilitated webinars for 100+ users, and contributed to 10+ product improvements.
Education experience
Uniminuto | Profesional
