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Fireworks AI

MTS, Research Engineer

Fireworks AI
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about 1 month ago
San Mateo, CA, USA or New York, NY, USASenior
H1B Sponsor

Base Salary

$250k - $400k/yr

Responsibilities

  • Explore new model architectures, training objectives, and optimization techniques through hypothesis-driven experiments.
  • Implement and reproduce results from recent machine learning papers, identify limitations, and scale methods to larger datasets and models.
  • Design, implement, maintain, and optimize high-performance distributed machine learning systems across large GPU clusters.
  • Optimize training loops, data loaders, and communication overhead.
  • Translate mathematical concepts and research ideas into robust, efficient, and maintainable code.
  • Collaborate with Research Scientists by providing tooling, optimizing code, and co-designing hardware-aware experiments.

Requirements

  • Strong programming skills in Python, C++, or Rust and a commitment to clean, maintainable code.
  • Deep practical knowledge of PyTorch, JAX, or TensorFlow.
  • Experience with large distributed systems and parallel computing, including technologies such as CUDA, NCCL, or MPI.
  • Strong foundation in linear algebra, calculus, probability, and statistics.
  • Proven track record of implementing complex deep learning algorithms from scratch.
  • Master’s or PhD in Computer Science, Machine Learning, Physics, Mathematics, or a related field, or equivalent industry experience, is preferred.
  • Experience with low-level GPU programming using CUDA or Triton, or with hardware co-design, is preferred.
  • Familiarity with large language model training, inference, SGLang, and vLLM is preferred.

Benefits

  • Equal-opportunity and inclusive workplace
  • Opportunity to work on cutting-edge AI infrastructure and model serving
  • Collaboration with world-class engineers and AI researchers

Tech Stack

Categories

AI & MLBackendData Engineering