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AI Research Engineer, Scaling

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1X Technologies

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Location:
United States, Palo Alto

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

180000.00 - 300000.00 USD / Year

Job Description:

As a Research Engineer focused on Scaling, you will design and build robust infrastructure to support large-scale training, evaluation, and deployment across 1X’s fleet of robots. You will transform experimental systems into production-grade platforms optimized for throughput, latency, and performance across both datacenter and edge environments. Your work will be pivotal in enabling high-efficiency learning and inference, directly shaping the performance of our general-purpose humanoid robots.

Job Responsibility:

  • Own and lead scaling of distributed training and inference systems
  • Ensure compute resources are optimized to make data the primary constraint
  • Enable massive training runs (1000+ GPUs) using robot data, with robust fault tolerance, experiment tracking, and distributed operations
  • Optimize inference throughput for datacenter use cases such as world models and diffusion engines
  • Reduce latency and enhance performance for on-device robot policies using techniques such as quantization, scheduling, and distillation

Requirements:

  • Strong programming experience in Python and/or C++
  • Deep intuitive understanding of training and inference speed bottlenecks and scaling laws
  • A mindset aligned with extremely high scaling: belief that scale is foundational to enabling humanoid robotics
  • Degree in Computer Science or a related field
  • Experience with distributed training frameworks (e.g., TorchTitan, DeepSpeed, FSDP/ZeRO), multi-node debugging, and experiment management
  • Proven skills in optimizing inference performance using graph compilers, batching/scheduling, and serving systems like TensorRT or equivalents
  • Familiarity with quantization strategies (PTQ, QAT, INT8/FP8) and tools such as TensorRT and bitsandbytes
  • Experience developing or tuning CUDA or Triton kernels with understanding of hardware-level optimization (vectorization, tensor cores, memory hierarchies)
What we offer:
  • Equity
  • Health, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and holidays

Additional Information:

Job Posted:
December 14, 2025

Employment Type:
Fulltime
Work Type:
On-site work
Job Link Share:

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