Andrew Leonenko is a Principal AI and Platform Engineer with 12 years building the engineering that makes AI ship: typed Model Context Protocol servers, agent orchestration, model routing, retrieval, APIs, and full-stack product surfaces.

He works primarily in TypeScript, Python, React, React Native, and Node.js. His recent work includes 30+ typed MCP tools, multi-provider model routing tuned for cost, latency, and reliability, and independently shipped products through Leonenko Group LLC, his web and mobile studio. He is particularly interested in Principal and Staff roles in aerospace and space infrastructure.

Focus

• Agentic AI and multi-agent orchestration
• Model Context Protocol (MCP) servers and tooling
• Retrieval-augmented generation (RAG) and model configuration
• Full-stack and mobile product engineering (web, iOS, Android)
• Enterprise SaaS platform architecture

Elsewhere