Daniel Espinoza

I’m a Senior Frontend Engineer & AI Solutions Architect with 5+ years of experience engineering high-scale web ecosystems. I bridge complex AI capabilities (LLMs, RAG, Real-time Voice) with production-ready architectures that teams can ship and maintain.

In my current role as Full-Stack Developer & Technical Lead, I’ve maintained core social connectivity platforms supporting 20,000+ registered users and thousands of concurrent sessions. I independently designed and built Administration Panels end-to-end—from UI/UX in Figma to database integration—with full test coverage using Jest and React Testing Library.

I’ve led technical direction for product launches by establishing robust design patterns, reusable component systems, and Git-based workflows across the organization. I also architected real-time industrial dashboards with zero UI lag using WebSockets and optimized React rendering for Core Web Vitals compliance.

I build AI Copilot interfaces that deliver operational insights and OEE optimization using responsive design and WCAG standards. I’ve also engineered serverless AI voice solutions with the GPT Realtime API to increase call volume and customer satisfaction, and reconstructed legacy projects using Docker and CI/CD pipelines to streamline deployment.