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Research Engineer

Sesame· Machine Learning
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San Francisco, New York, Bellevue$190k - $320kFull-timePosted 11mo ago

About the role

Research-oriented role focused on designing novel architectures and models, scaling LLM training/inference, and building production-ready pipelines and tooling in a privacy-aware, dataset-driven ML lifecycle.

Responsibilities

  • Design, build, and ship novel architectures and models to production.
  • Scale LLM training and inference, improving latency, throughput, and cost.
  • Build robust training and evaluation pipelines.
  • Develop tooling for safe, versioned, privacy-aware dataset curation and discovery.

Qualifications

  • Strong, hands-on experience with PyTorch.
  • Solid software engineering skills and a genuine interest in ML, with experience writing production code across the stack.
  • Practical experience training or fine-tuning LLMs, and a good understanding of how LLM training algorithms work.
  • Experience designing evaluation metrics and harnesses that reflect real user experience.
  • Familiarity with the ML lifecycle: dataset operations, training pipelines, evaluation frameworks, deployment, and monitoring.
  • Experience shipping complex projects to production, ideally user-facing or online ML systems, and adapting as requirements change.
  • Good judgment about when to work independently and when to bring in teammates.
  • Experience contributing to technical direction, building consensus, and working well with product, infrastructure, and research partners.

Skills

Required:PyTorchProduction ML software engineeringTraining / fine-tuning large-scale modelsEvaluation design and metrics

Benefits

  • 401 (k) max employer match: 3.5% of compensation
  • 100% employer-paid health, vision, and dental benefits for you and your dependents
  • Unlimited PTO and sick time
  • Flexible spending account with employer matching up to $1,650/year (medical FSA)
  • Guardian Employee Assistance Program (EAP)
  • Opportunity to share in the company's success with competitive stock options
Last updated Oct 8, 2026. Interested? Apply on the company site.

About Sesame

Bringing the computer to life

We believe in a future where computers are lifelike. Where they can see, hear, and collaborate with us – as we do with each other. With this vision, we're designing a new kind of computer.

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