Full-Stack Engineer, AI Companion

Full-Stack Engineer, AI Companion

Location: Palo Alto, CA (on-site)

About 1X

We build humanoid robots that work alongside people to solve labor shortages and create abundance.

The Role

As a Full-Stack Engineer on the AI Companion team, you will help create the multimodal, voice-driven interface for NEO, our humanoid home robot. You’ll work at the intersection of speech, autonomy, and nonverbal communication to craft seamless user experiences. This role blends architectural design with hands-on development to bring intuitive robot interactions to life.

You Will

• Design the software architecture for real-time multimodal input/output
• Build application flows such as scheduling chores and triggering autonomous tasks via voice
• Optimize the AI Companion stack for smooth, responsive interactions with NEO
• Develop scalable, reliable systems to serve models from remote machines

Must Have

• 4+ years of industry experience with C++, Python, Bazel, and PyTorch
• Experience working with real-time or streaming model architectures or systems
• Strong focus on software quality, performance, and design
• Proven ability to bring research ideas into robust, production-ready systems
• Product sense related to human-robot interaction, non-verbal communication, and speech UX

Benefits & Compensation

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

Equal Opportunity Employer

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