Full-Stack Engineer, AI Companion jobs in United States
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1X · 3 weeks ago

Full-Stack Engineer, AI Companion

positionPalo Alto, CA
timeFull-time
remoteOnsite
seniorityMid, Senior Level
money$150K/yr - $250K/yr
date4+ years exp

1X is a company that builds humanoid robots to address labor shortages and create abundance. The Full-Stack Engineer on the AI Companion team will design and develop a multimodal, voice-driven interface for their humanoid robot, NEO, focusing on user experience and interaction.

Artificial Intelligence (AI)ManufacturingRobotics
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H1B Sponsor Likelynote

Responsibilities

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

Qualification

C++PythonPyTorchBazelReal-time systemsSoftware qualityPerformance designHuman-robot interactionSpeech UX

Required

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

Health, dental, and vision insurance
401(k) with company match
Paid time off and holidays

Company

1X

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1X is an engineering and robotics company that develops humanoid robots designed to work alongside humans.
dateFounded in 2014
location
Moss, Ostfold, NOR
people-size201-500 employees
web-link
https://www.1x.tech

H1B Sponsorship

1X has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (16)
2024 (3)
2023 (1)

Funding

Current Stage
Growth Stage
Total Funding
$136.49M
Key Investors
EQT VenturesOpenAI Startup Fund
2025-07-07Series B
2024-01-11Series B· $99.94M
2024-01-11Secondary Market

Recent News

Euractiv
Adopt a robot: Are you ready to let humanoid AIs into your home?
2025-12-28
eeNews Europe
AI in 2025: Chips, robots, and the race for scale
2025-12-24
Tech in Asia
EQT-backed robotics firm plans 10,000 humanoid robot rollout
2025-12-17
Company data provided by crunchbase