Summary
Simon Duncan is a multidisciplinary Staff Product Designer with 5 years of focused experience turning complex FinTech and developer-focused problems into fast, pragmatic products through rapid prototyping and iterative delivery. He’s led design for Langflow—an AI agent builder with a massive community presence (90K+ then 145K+ GitHub stars across acquisitions)—bridging product vision, engineering, and design to drive measurable business impact. Comfortable managing and mentoring small teams, Simon has a track record of shipping developer tools, vector-database experiences, and high-conversion consumer flows, often pairing user research with quantitative A/B testing. Based in Madison, WI, he thrives in high-agency environments that prototype, prune, and ship quickly, and brings an uncommon blend of music-and-technology thinking to creative problem solving.
5 years of coding experience
9 years of employment as a software developer
BA Music and Technology, BA Music and Technology at University of East Anglia