João Parreira is a technology executive with 12 years of experience, currently serving as Chief Technology Officer and leading agentic change safety efforts for Amazon Stores. He combines executive strategy with hands-on systems thinking, having also been CTO at Realtime.co where he focused on real‑time architectures and developer-facing platforms. Based in Ireland, João bridges product, research, and engineering to operationalize safe autonomy and scalable real‑time services. Known for pragmatic leadership, he drives cross-functional programs that translate cutting‑edge AI safety research into production-ready controls and monitoring.
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João Parreira - Chief Technology Officer at Realtime.co