AI Engineer — LLM Infra

Yutori
San Francisco
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningSkills: ["Communication","Proactivity","Collaboration","Problem-solving","Teamwork"]

Join the founding AI technical staff to scale ML infrastructure for multimodal LLMs and agent-based web interactions. Youll optimize post-training and inference performance, work on GPU clusters and low-level systems (Triton, CUDA), and collaborate with product engineers to deliver reliable AI-powered product experiences.

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FursaFursa
Yutori
Yutori
1 year ago

AI Engineer — LLM Infra

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 16 hours agoStatus: Live

Job Summary

Join the founding AI technical staff to scale ML infrastructure for multimodal LLMs and agent-based web interactions. Youll optimize post-training and inference performance, work on GPU clusters and low-level systems (Triton, CUDA), and collaborate with product engineers to deliver reliable AI-powered product experiences.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Scale infra for post-training of multimodal LLMs (CPT, SFT, RL, search, reward models)
  • •Scale infra for agentic inference (throughput and latency of perception-planning-action loops)
  • •Build the foundations of a superhuman generalist web-agent
  • •Work closely with product engineers to translate cutting-edge AI capabilities into reliable product experiences.

Pay and Benefits

Equity and Bonus:Equity
Perks:Health InsuranceDentalVisionRelocationVisa SponsorshipCommuter Benefits

Key Requirements

  • •Experience with ML infrastructure (GPU clusters) and supporting networking (NCCL)
  • •Experience optimizing post-training and inference performance of multimodal LLMs (data/tensor/pipeline/context/expert parallelism, optimizing MFU, throughput, latency)
  • •Low level systems experience (Triton, CUDA)
  • •Strong communication, high agency and craftsmanship with proactive attitude
Experience:AIML infrastructureLLMMultimodal
Skills:CommunicationProactivityCollaborationProblem-solvingTeamwork
Languages:English
Tech Stack:CUDATritonNCCLGPUML infrastructureInferencePost-trainingMultimodal

Company Brief

Yutori
Yutori provides an HR-focused platform that helps companies streamline employee benefits, payroll, and wellbeing via integrated software and services, designed to simplify workforce administration and improve employee experience across distributed teams.
Industry: HR Tech
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