Senior Staff Applied AI Inference Engineer

Crusoe is an active AI-infrastructure company operating an AI cloud platform, managed AI services, and AI data-center infrastructure.

Series E14 current maintainers9 active leads5 lead step-downs
Denver, United States
About Crusoe, Inc.

Crusoe designs, builds, and operates energy-first AI infrastructure. Its offerings include Crusoe Cloud for GPU-based training, fine-tuning, inference, and managed services, alongside AI-optimized data centers and energy infrastructure.

View jobs by Crusoe, Inc.

Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will optimize large language model inference systems for production, from profiling latency, throughput, and cost through kernel-level serving improvements. You will tailor deployments to customer constraints, take proofs of concept into monitored services, and deliver well-tested performance improvements.

Requirements

  • Bachelor's, Master's, or Ph.D. in Computer Science, Engineering, Mathematics, or a related field
  • Experience shipping production code in Python, C++, or another general-purpose language
  • Knowledge of high-throughput, low-latency LLM inference optimization
  • Experience with LLM serving frameworks such as vLLM or SGLang
  • Ability to profile performance at the kernel level
  • Understanding of GPU architecture
  • Experience with large language models and AI/ML pipelines
  • Ability to communicate complex technical topics to customers and teammates

Responsibilities

  • Implement and refine inference optimization techniques in production
  • Design and optimize serving architectures, including prefill and decode disaggregation and request routing
  • Profile serving frameworks and CUDA kernels to identify and resolve performance issues
  • Tune deployments for latency, throughput, cost, and reliability
  • Tailor customer deployments and move workloads from proof of concept to monitored production services
  • Build production software and product features around the inference stack
  • Develop specifications, proofs of concept, and well-tested solutions
  • Own delivery from experimentation through production optimization
  • Draft features and product requirements with engineering and product stakeholders

Benefits

  • Restricted Stock Units
  • Paid time off, paid holidays, and leave of absence programs
  • Health, dental, and vision insurance
  • Employer HSA contributions
  • Paid parental leave
  • Paid life insurance and short-term and long-term disability coverage
  • Tuition reimbursement
  • Mental health and wellness support
  • Commuter benefits
  • Cell phone stipend
  • 401(k) plan with company match up to 4% of salary
  • Volunteer time off
  • Global travel insurance and emergency assistance
  • Daily meals allowance
Senior Staff Applied AI Inference Engineer at Crusoe, Inc. | JobStash