Full-Stack Engineer, AI Companion

About 1X

We’re an AI and robotics company based in Palo Alto, California, on a mission to build a truly abundant society through general‑purpose robots capable of performing any kind of work autonomously.
We believe that to truly understand the world and grow in intelligence, humanoid robots must live and learn alongside us. That’s why we’re focused on developing friendly home robots designed to integrate seamlessly into everyday life.
We’re looking for curious, driven, and passionate people who want to help shape the future of robotics and AI. If this mission excites you, we’d be thrilled to hear from you and explore how you might contribute to our journey.

The AI Companion team creates the speech interface to NEO, as well as the physical awareness behaviors that evokes trust, warmth, and competence.

As a Full‑Stack Engineer on the AI Companion team, you will integrate autonomy, speech models, and nonverbal communication into a cohesive, magical product that is seamless for users to interact with.

• Design the software architecture for real-time multimodal I/O

• Design application flows like scheduling chores and triggering autonomous tasks from the voice interface.

• Optimize the companion stack for enabling seamless interactions with NEO

• Make the Companion scalable and reliable while serving models from remote machines.

• 4+ years of experience with C++, Python, Bazel, Py Torch

• Experience with real‑time or streaming model architectures or systems

• Product obsession with quality, performance, and design taste

• Ability to take research ideas into production systems that work reliably

• Good product taste as pertaining to human‑robot interaction, non‑verbal communication, and speech UX

• Salary Range: $150,000 - $250,000
• Health, dental, and vision insurance
• 401(k) with company match
• Paid time off and holidays

1X is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, ancestry, citizenship, age, marital status, medical condition, genetic information, disability, military or veteran status, or any other characteristic protected under applicable federal, state, or local law.