Senior Software Engineer with 10+ years of experience building scalable, distributed applications, mainly with Node.js, TypeScript (Next.js / NestJS) and Python. Strong background in AWS and Azure, Clean Architecture and Domain-Driven Design (DDD). Recently focused on production AI features: LLM integrations, chat experiences, dynamic prompt configuration, tool-calling workflows, and RAG pipelines with observability (e.g., Langfuse) and safe rollouts using feature flags (Unleash).