LightSpeed Retail

Sr. AI Inference Systems Engineer

LightSpeed Retail$124K — $235K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Master's or Ph.D. in Computer Science, Electronic Engineering, AI, or related fields
  • Significant experience in AI inference optimization or heterogeneous computing
  • Proficient in at least one AI accelerator architecture
  • Mastery of core inference optimization techniques such as KV Cache management
  • Expertise in parallel computing and distributed systems
  • Familiarity with deep learning frameworks like PyTorch or TensorFlow
  • Strong analytical and collaboration skills

Responsibilities

  • Lead optimization of the full inference pipeline for Large Models
  • Conduct research on inference logic of various hardware accelerators
  • Design and implement high-performance inference frameworks
  • Track global advancements in inference technology
  • Lead efforts to resolve technical bottlenecks and mentor team members

Benefits

  • Eligible for a sign-on payment, relocation package, and restricted stock units
  • Medical, dental, vision, life and disability benefits
  • Participation in the Company’s 401(k) plan
  • 15 to 25 days of vacation per year based on tenure
  • Up to 13 holidays throughout the year
  • Up to 10 days of paid sick leave per year
Full Job Description
What the Role Entails
  • End-to-End Inference Optimization: Lead the optimization of the full inference pipeline for Large Models (LLM, Multimodal); focus on KV Cache storage strategies, Router architecture design, and collaborative operator optimization to maximize throughput and minimize latency.
  • Heterogeneous Computing Research: Conduct in-depth research into the underlying inference logic of various hardware accelerators; evaluate architectural suitability for real-time, batch, and streaming inference scenarios to develop standardized optimization schemes.
  • Inference Framework & Toolchain: Design and implement high-performance inference frameworks; optimize scheduling and memory management to resolve long-tail issues such as communication latency and load imbalance in distributed inference.
  • Technological Innovation: Track global advancements in inference technology (e.g., compiler optimization, model compression, and hardware fusion); drive the productization of emerging technologies within production environments.
  • Technical Leadership: Lead efforts to overcome key technical bottlenecks in inference optimization; design technical roadmaps and mentor team members to build a robust AI inference technical ecosystem.


Who We Look For
  • Education & Experience: Master's or Ph.D. in Computer Science, Electronic Engineering, AI, or related fields; significant professional experience in AI inference optimization or heterogeneous computing.
  • Hardware Expertise: Proficient in at least one AI accelerator architecture; deep understanding of underlying principles, instruction sets, and hardware-specific tuning.
  • Inference Specialization: Mastery of core inference optimization techniques, including multi-level KV Cache management, Quantization, and Intelligent Routing.
  • Systems Proficiency: Expert in parallel computing and distributed systems; deep understanding of low-level programming models (e.g., CUDA, Triton) and inference engine architectures.
  • Frameworks & Models: Familiar with mainstream deep learning frameworks (e.g., PyTorch, TensorFlow); experience in optimizing ultra-large-scale models is highly preferred.
  • Industry Insight: Stay current with global evolutions in inference technology and computing architectures, with the ability to objectively evaluate different technical paths.
  • Professional Skills: Strong analytical and cross-team collaboration skills, with a proven track record of leading complex inference projects to fruition.
  • Preferred Qualifications: Experience in tuning ultra-large-scale inference clusters or driving AI inference productization; high-level publications or core patents in relevant fields are a plus.


Location State(s)

US-California-Palo Alto

The expected base pay range for this position in the location(s) listed above is $124,800.00 to $235,000.00 per year. Actual pay may vary depending on job-related knowledge, skills, and experience.Employees hired for this position may be eligible for a sign on payment, relocation package, and restricted stock units, which will be evaluated on a case-by-case basis.Subject to the terms and conditions of the plans in effect, hired applicants are also eligible for medical, dental, vision, life and disability benefits, and participation in the Company's 401(k) plan. The Employee is also eligible for up to 15 to 25 days of vacation per year (depending on the employee's tenure), up to 13 days of holidays throughout the calendar year, and up to 10 days of paid sick leave per year.Your benefits may be adjusted to reflect your location, employment status, duration of employment with the company, and position level. Benefits may also be pro-rated for those who start working during the calendar year.

About LightSpeed Retail

LightSpeed Retail is a cloud-based point-of-sale and e-commerce software provider for retailers and restaurateurs. The company was founded in 2005 by Dax Dasilva and is headquartered in Montreal, Canada. LightSpeed Retail's platform allows businesses to manage their inventory, process transactions, and analyze sales data. The company's mission is to help businesses grow by providing them with the tools they need to succeed. LightSpeed Retail has raised over $290 million in funding from investors such as Caisse de dépôt et placement du Québec, iNovia Capital, and Accel Partners.
Learn more about LightSpeed Retail
Size
1,000 employees
Market Cap
$18.4 billion
Industry
Founded
2005
5 Year Trend
+48.5%

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