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Senior Machine Learning Engineer, Voice AI

Together AI

San Francisco, CA · full time · Senior

$200,000 – $260,000

Listed on Together AI’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role focuses on optimizing how voice AI models are served in production, tackling unique challenges like real-time latency and streaming audio. It suits experienced ML engineers comfortable diving deep into inference engines and GPU optimization who want to shape infrastructure as the industry moves toward end-to-end speech systems.

Our summary, not Together AI’s wording. The full posting is on their site.

Skills this role names

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What they ask for

Required

  • 5+ years ML engineering experience
  • Model serving or inference optimization focus
  • Hands-on experience with LLM serving engines like vLLM, SGLang, or TensorRT-LLM
  • Ability to read and modify serving engine internals
  • Strong Python and PyTorch proficiency
  • GPU profiling and optimization skills including CUDA and memory management
  • Production ML systems shipped with measurable performance gains
  • Product sense for developer needs
  • Comfort on small, early-stage teams moving quickly
  • Bachelor's or Master's degree in Computer Science, Electrical Engineering, or equivalent practical experience

Nice to have

  • Speech and audio ML experience (ASR, TTS, signal processing)
  • Familiarity with audio codecs and tokenization schemes
  • Experience training or fine-tuning speech models

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