Cloudflare

Senior Machine Learning Engineer

Who can apply: Only open to applicants in: California, New York, Texas.
Location as listed by the employer: “Hybrid; Austin, TX; London, United Kingdom; New York, NY; San Francisco, CA”
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About this role

Cloudflare is hiring for a Senior Machine Learning Engineer role. See the official posting for full details.

Requirements

  • Experience building, optimizing, and operating machine learning models in production environments.
  • Strong proficiency with Python and modern ML frameworks such as PyTorch, TensorFlow, JAX, or equivalent.
  • Hands-on experience with inference optimization techniques for large-scale models, including quantization, batching, caching, compilation, and serving runtime tuning.
  • Experience with large-scale inference serving frameworks or runtimes such as SGLang, vLLM, TensorRT-LLM, ONNX Runtime, Triton, llama.cpp, or similar.
  • Familiarity with LLMs, speech models, vision models, embeddings, multimodal models, retrieval-augmented generation, or other modern deep learning architectures.
  • Experience optimizing models for GPUs or specialized accelerators.
  • Strong understanding of production ML concerns, including evaluation, monitoring, model regressions, rollout safety, and reliability.
  • Ability to work across ML and systems boundaries, including familiarity with distributed systems, networking, or serverless platforms.

Summarized from the employer's posting — check the full posting for every requirement.