Leads modernization of legacy .NET and Windows systems into scalable, resilient Linux and AWS-native platforms. Designs cloud-native architectures, production systems, infrastructure, and CI/CD pipelines while mentoring engineering teams. Applies LLMs and AI tools to development workflows and builds AI-powered features including semantic search, document ingestion, workflow automation, and agentic systems. Requires deep AWS, backend, API, distributed systems, observability, migration, and AI/ML experience.