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Software Engineer, ML Inference Optimization

Foster City, CA

Pay
USD 177,000–270,000/year — pay source
Salary 177,000 – 270,000 USD per year About Zoox
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Work setting
On-site — work setting source
Work setup in the employer’s posting: onsite
From the employer’s posting
Employment
Full-time — employment source
Employment type Full-time
Employment type in the employer’s posting: Full-time
From the employer’s posting
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What you’ll work on

Full posting
  • Design, implement, and operate ML training or inference performance optimizations

  • Scale VLM, VLA, and foundation models for efficient deployment in robotaxis

  • Work with ML researchers, engineers and hardware teams on requirements and architecture

From the employer’s posting
Design, implement, and operate cutting-edge ML Training OR Inference performance optimization techniques
to scale our VLM, VLA, and Foundational models and deploy them efficiently in our robotaxi
Collaborate closely with cross-functional teams, including ML researchers, software engineers, data engineers, and hardware engineers

What you’ll bring

All qualifications

Core experience

  • 4+ years total experience, including 2+ years on large-scale training or inference platforms
  • Experience with PyTorch and efficient distributed GPU training
  • Experience with GPU-accelerated inference using TensorRT or similar
  • Experience profiling with Nsight or PyTorch Profiler
  • Proficient in Python or C++
Qualification wording
4+ years of total experience, including 2+ years of working on large-scale model training or inference platforms
Experience with training frameworks like PyTorch, leveraging GPUs efficiently for distributed model training
Experience with GPU-accelerated inference using TensorRT or similar frameworks
Experience using profiling tools like NVIDIA's Nsight or PyTorch's Profiler
Proficient in Python or C++

Tools in this posting

  • C++
  • Python
  • PyTorch
Source — Tool mentions in context
- Experience using profiling tools like NVIDIA's Nsight or PyTorch's Profiler for identifying model training and serving bottlenecks. - Proficient in Python or C++. Base Salary Range
- 4+ years of total experience, including 2+ years of working on large-scale model training or inference platforms. - Experience with training frameworks like PyTorch, leveraging GPUs efficiently for distributed model training. - Experience with GPU-accelerated inference using TensorRT or similar frameworks.
- Experience with GPU-accelerated inference using TensorRT or similar frameworks. - Experience using profiling tools like NVIDIA's Nsight or PyTorch's Profiler for identifying model training and serving bottlenecks. - Proficient in Python or C++.

About Amazon

Zoox is developing the first ground-up, fully autonomous vehicle fleet and the supporting ecosystem required to bring this technology to market.

In the employer’s words · Read in context

Posting record

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Open 5 monthsWe first saw this posting 154 days ago and it is still up. Roles open this long are often slow to fill or kept open to collect applications.

Status in our records
Live
First seen by us
May 28, 2026 · 154 days ago
Recorded sightings
206
Last seen by us
Oct 30, 2026

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Job description

View original posting ↗

Zoox is on a mission to reimagine transportation and ground-up build autonomous robotaxis that are safe, reliable, clean, and enjoyable for everyone. We are still in the early stages of deploying our robotaxis on public roads, and it is a great time to join Zoox and have a significant impact in executing this mission. The ML Platform team at Zoox plays a crucial role in enabling innovations in large-scale Foundation models, VLMs, and VLAs to make autonomous driving as seamless as possible. 
 
The Opportunity
Are you excited to drive our ML Inference Optimization initiatives and make our ML models that enable autonomous driving as fast and efficient as possible? You will get to work with SOTA accelerators, cutting-edge techniques in distributed training, quantization, distillation, and pruning, among other things, working closely with all the Autonomy teams within Zoox - Perception, Prediction, Planner, Simulation, Collision Avoidance, and have the opportunity to significantly push the boundaries of how ML is practiced within Zoox.
 
We build and operate the base layer of ML tools, model development, and serving systems that our applied research teams use for in- and off-vehicle ML use cases. You will work alongside a team of strong software engineers and act as a force multiplier for our internal customers. This team has many growth opportunities as we expand our robotaxi deployments and venture into new ML domains. If you want to learn more about our stack behind autonomous driving, please look here. If you want to learn more about our ML Infrastructure, here is one of our past talks at re:Invent.

In this role, you will:

  • Design, implement, and operate cutting-edge ML Training OR Inference performance optimization techniques to scale our VLM, VLA, and Foundational models and deploy them efficiently in our robotaxi.

  • Collaborate closely with cross-functional teams, including ML researchers, software engineers, data engineers, and hardware engineers, to define requirements and align on architectural decisions.

Qualifications

    Note: You do not have to meet all the requirements below to be considered for this position:
  •  4+ years of total experience, including 2+ years of working on large-scale model training or inference platforms.
  • Experience with training frameworks like PyTorch, leveraging GPUs efficiently for distributed model training.
  • Experience with GPU-accelerated inference using TensorRT or similar frameworks.
  • Experience using profiling tools like NVIDIA's Nsight or PyTorch's Profiler for identifying model training and serving bottlenecks.
  • Proficient in Python or C++.

Base Salary Range

There are three major components to compensation for this position: salary, Amazon Restricted Stock Units (RSUs), and Zoox Stock Appreciation Rights. A sign-on bonus may be offered as part of the compensation package. The listed range applies only to the base salary. Compensation will vary based on geographic location and level. Leveling, as well as positioning within a level, is determined by a range of factors, including, but not limited to, a candidate's relevant years of experience, domain knowledge, and interview performance. The salary range listed in this posting is representative of the range of levels Zoox is considering for this position.

Zoox also offers a comprehensive package of benefits, including paid time off (e.g. sick leave, vacation, bereavement), unpaid time off, Zoox Stock Appreciation Rights, Amazon RSUs, health insurance, long-term care insurance, long-term and short-term disability insurance, and life insurance.

Salary

177,000 – 270,000 USD per year

About Zoox
Zoox is developing the first ground-up, fully autonomous vehicle fleet and the supporting ecosystem required to bring this technology to market. Sitting at the intersection of robotics, machine learning, and design, Zoox aims to provide the next generation of mobility-as-a-service in urban environments. We’re looking for top talent that shares our passion and wants to be part of a fast-moving and highly execution-oriented team.

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Accommodations
If you need an accommodation to participate in the application or interview process please reach out to accommodations@zoox.com or your assigned recruiter.

A Final Note:
You do not need to match every listed expectation to apply for this position. Here at Zoox, we know that diverse perspectives foster the innovation we need to be successful, and we are committed to building a team that encompasses a variety of backgrounds, experiences, and skills.

Employment type

Full-time

Source details

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Pay
Salary 177,000 – 270,000 USD per year About Zoox
Location & working pattern

Foster City, CA

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