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Perplexity

Member of Technical Staff (AI Inference Engineer)

Perplexity
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3 months ago
Palo Alto, CA, USA +2 moreMid Level / Senior
H1B Sponsor

Base Salary

$220k - $485k/yr

Responsibilities

  • Support transformer-based retrieval, text-generation, and multimodal models in the inference infrastructure.
  • Migrate in-house CUDA kernels to NVIDIA's CuTe DSL for improved portability.
  • Develop an internal Rust-based inference server to enhance performance.
  • Profile and fix performance bottlenecks across the system.
  • Build dashboards and alerts for system reliability and observability.

Requirements

  • Deep experience with GPU programming and performance work (CUDA, Triton, or similar).
  • Understanding of modern LLM architectures and production deployment.
  • Experience in building and operating production distributed systems.
  • Proficiency in Rust, Python, and CUDA/CuTeDSL.
  • 3+ years of professional software engineering experience in ML inference or high-performance systems.

Tech Stack

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