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Adriel Vijuan

Hi, I'm Adriel! Currently, I am a founding engineer on the UserApproved AI team, specializing in agentic AI engineering: orchestrating coding agents, building eval-driven workflows, and shipping full-stack AI product systems under real-world constraints.

While my experience includes AI product engineering, it extends to marketing and design, freelance photography and video production.

In my free time, I work on lots of side projects. Chronos is an AI-powered history exploration engine that generates interactive timelines. DocuLaw AI is an app that simplifies legal documents into plain English based on literacy level. Product Page Reviewer audits eCommerce pages against a list of conversion heuristics I researched and compiled. See more projects here.

Beyond tech, I spent three years leading the Design Team at KOSMOS, Berkeley's largest k-pop dance organization — I established brand identity and during my tenure led video production and graphic design teams across all of our social media platforms. I also spent several months in Fall 2024 co-directing AirFX, a beginner/intermediate level dance team of 50+ students. Since 2022, I have also photographed 200+ clients across graduation shoots, dance organization shoots, and events.

I'm always open to conversation at avijuan@berkeley.edu or on LinkedIn.