Leonardo J. Ramirez

Fractional CTO and technical leader specializing in AI/ML strategy, secure RAG architectures, and engineering team leadership. Advises Series A/B startups and mid-market companies on technology roadmaps, build vs. buy decisions, and team scaling. Combines strategic technology planning with hands-on execution across AI systems, DevOps automation, and enterprise integrations. Proven track record architecting mission-critical systems for space, defense, and large-scale operations. Delivers CTO-level guidance without the $300k+ executive cost—strategic roadmaps, architecture decisions, and team mentorship plus production code delivery.