Senior Product Engineer at Sequoia-backed Series B AI research lab

Join a world-class team building AI Humans that close the gap between people and machines. As a Senior Product Engineer, you will drive the development of sub-second latency video interfaces and conversational AI platforms. You will work across the stack to create empathetic, real-time digital agents that redefine human-computer interaction at scale.

• Lead the development of the platform, spending 70% of your time on performant React frontend experiences and 30% on backend API and system integrations.
• Collaborate directly with founders and design leadership to move features from 0→1, shaping both the technical stack and the user experience.
• Own the end-to-end delivery of high-polish features, ensuring seamless continuity across the full product stack while maintaining sub-second latency standards.

• You have a proven track record of building and shipping consumer-facing products from scratch at high-growth startups.
• You possess deep expertise in React and modern web technologies, paired with a strong design sensibility and the ability to defend high UX standards.
• You are actively building in the AI space, with hands-on experience in LLM integrations, conversational interfaces, or real-time AI-powered product workflows.

• Work at the cutting edge of generative media with a team that recently closed a $40M Series B led by Sequoia Capital, Y Combinator, and Scale Venture Partners.
• High-impact ownership where you will define the architecture and product direction of real-time conversational video technology used for therapy, training, and medical assistance.
• Join an elite research lab environment that combines the speed of a startup with the technical depth of a pioneering AI simulation company.