Senior Full Stack Engineer with 9+ years of experience building and operating production web applications, backend services, and scalable SaaS platforms. Strong expertise in TypeScript, Node.js, React, PostgreSQL, and cloud-based application architecture, with experience designing APIs, database schemas, authentication systems, asynchronous workflows, and distributed backend services.In recent projects, I have also built AI-powered applications using LLM APIs, retrieval-augmented generation (RAG), workflow automation, and AI-assisted content processing. Experienced in taking products from architecture and implementation through testing, deployment, monitoring, and production optimization.