This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Open Source Design Engineer based in United States. This role offers the opportunity to shape the future of AI product experiences by designing intuitive interfaces for cutting-edge AI development and observability platforms.You will work at the intersection of product design, frontend engineering, and artificial intelligence to create experiences used by modern AI teams.The position focuses on making complex AI workflows understandable, actionable, and accessible for both human users and AI agents.You will collaborate closely with engineering, product, and open-source communities to define new patterns for human-agent interaction.This is a high-impact role for a designer-engineer who enjoys rapid prototyping, technical exploration, and solving complex UX challenges.You will help establish the design language for a new generation of AI-powered developer tools while contributing to an innovative remote-first environment.