David Medina
I’m David Medina, a Senior Full-Stack Software Engineer and founder of DMTEC Solutions LLC. I specialize in cloud-native products, AI/LLM integrations, automation, and modern web platforms.
About
I’m David Medina, a Senior Full-Stack Software Engineer and founder of DMTEC Solutions LLC. I specialize in cloud-native products, AI/LLM integrations, automation, and modern web platforms. I deliver production systems using React/Next.js, Node.js, Python, and .NET, focusing on scalable architecture, reliability, and rapid delivery.
I design cloud deployments across AWS, Azure, Vercel, and Cloudflare; I build AI-enabled features using OpenAI/Azure OpenAI, Claude, LangChain, and RAG patterns; I develop scraping pipelines, browser automation, and enterprise workflow automation; I love building event-driven, serverless systems with secure integrations (OAuth 2.0) and robust CI/CD.
- 8 years' experience
- Joined January 2026
Industry experience
- Software & Internet
- Professional Services
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Work experience· 4 roles
Deliver end-to-end web products using React/Next.js, Node.js/NestJS, Python, and .NET. Build AI-enabled features using OpenAI/Azure OpenAI, Claude, LangChain, and RAG patterns. Develop scraping pipelines, browser automation, and file/OCR processing for enterprise workflows. Architect cloud deployments across AWS, Azure, Vercel, and Cloudflare; implement CI/CD and production debugging practices. Design event-driven and serverless systems, scheduling engines, approval flows, and secure integrations (OAuth 2.0).
Built and maintained Node.js/Express microservices supporting a high-traffic platform. Migrated legacy services to Azure Functions to improve scalability and cost efficiency. Integrated and supported .NET components within a cloud environment. Improved backend performance, security, and API reliability through refactoring and operational hardening.
Developed React-based single-page applications and internal tools; partnered with backend teams to improve data flows and reduce API overhead. Improved UX and performance through layout restructuring, state optimization, and reusable component patterns.
Education· 8
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