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AI Infra Performance Engineer: LLM Inference and Training

Job in Palo Alto, Santa Clara County, California, 94306, USA
Listing for: RadixArk
Apprenticeship/Internship position
Listed on 2026-07-13
Job specializations:
  • Software Development
    AI Engineer (Applied/Software)
Salary/Wage Range or Industry Benchmark: 140000 - 210000 USD Yearly USD 140000.00 210000.00 YEAR
Job Description & How to Apply Below

Radix Ark is hiring a Performance Engineer in Palo Alto, CA to push LLM inference and training systems to the limit on real workloads. You will work on latency, throughput, memory efficiency, and cost‑per‑token across SGLang, Miles, and the Radix Ark stack.

You will analyze production deployments, benchmark across GPUs and cloud environments, and build profiling tools to diagnose regressions. The role requires strong systems engineering, Python/C++, and experience with CUDA or similar GPU tech.

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