Darius Karel is a seasoned full-stack engineer and technical leader with 14+ years of experience building product-driven software and shipping high-impact features at scale. Based in San Francisco, he led Asana’s AI Studio from design doc to launch in six months, delivering customer outcomes that cut manual work and saved hundreds of thousands annually, and has recently joined OpenAI as an MTS focused on growth engineering. He combines deep front-end expertise—contributing UI/UX improvements to server-driven React Native apps like Instawork/hyperview—with product-minded systems work across startups and enterprise teams. A repeat technical lead and co-founder, he’s comfortable running teams of eight, mentoring early-career engineers, and shipping both small UX delights and major workflow automations that drive adoption. Notably, his background spans experimental R&D (Hololens visualizers) to production AI features, reflecting a curiosity for new interaction paradigms alongside proven delivery chops.
14 years of coding experience
12 years of employment as a software developer
Bachelor of Software Computer Science, Bachelor of Software Computer Science at Columbia International College
Bachelor of Software Engineering Software Engineering, Bachelor of Software Engineering Software Engineering at University of Waterloo
Contributions:6 commits, 21 PRs, 28 pushes in 2 months
Contributions summary:Darius primarily contributed to the UI and behavior aspects of the server-driven mobile app. They implemented custom actions such as "ask-rating" and "sms," extending the app's interactive capabilities. Furthermore, they added functionality like auto-focus to text fields and adjusted existing code to handle various behavior triggers more effectively. These changes directly enhance user interaction and functionality within the React Native-based mobile application.
Contributions:50 commits, 43 pushes, 1 branch in 5 months
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Darius Karel - Member Of Technical Staff at OpenAI