<div><span style="font-size:11pt;font-family:Figtree , sans-serif;">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.</span></div><div> </div><div><strong><span style="font-size:11pt;font-family:Figtree , sans-serif;">The Opportunity</span></strong></div><div><span style="font-size:11pt;font-family:Figtree , sans-serif;">Are you excited to drive our ML Training Optimization initiatives and make the models that power autonomous driving trains faster, cheaper, and at greater scale? You will work with SOTA accelerators and cutting-edge techniques in distributed training, parallelism strategies, mixed-precision training and RL, especially for VLA and VLM models that are multi-modal — partnering closely with all the Autonomy teams within Zoox (Perception, Prediction, Planner, Simulation, Collision Avoidance) and pushing the boundaries of how ML training is practiced at Zoox.</span></div><div> </div><div><span style="font-size:11pt;font-family:Figtree , sans-serif;">We build and operate the base layer of ML tools, model development, and training 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</span><a href="https://zoox.com/autonomy/" style="text-decoration:none;"><span style="font-size:11pt;font-family:Figtree , sans-serif;color:#000000;"> </span><span style="font-size:11pt;font-family:Figtree , sans-serif;color:#1155cc;text-decoration:underline;">here</span></a><span style="font-size:11pt;font-family:Figtree , sans-serif;">. If you want to learn more about our ML Infrastructure, here is one of our</span><a href="https://www.youtube.com/watch?v=j-LpPv9vBvk" style="text-decoration:none;"><span style="font-size:11pt;font-family:Figtree , sans-serif;color:#000000;"> </span><span style="font-size:11pt;font-family:Figtree , sans-serif;color:#1155cc;text-decoration:underline;">past talks</span></a><span style="font-size:11pt;font-family:Figtree , sans-serif;"> at re:Invent.</span></div><br><br><h3>In this role, you will:</h3><ul><div><li><p><span style="font-size:11pt;">Design, implement, and operate cutting-edge ML training performance optimization techniques — distributed training (data/tensor/pipeline parallelism), mixed-precision, gradient checkpointing, and GPU kernels — to scale our VLM, VLA, and Foundational models training efficiency.</span></p></li><li><p><span style="font-size:11pt;">Work on RL framework and RL performance optimization for driving foundation model </span></p></li><li><p><span style="font-size:11pt;">Profile and debug training throughput bottlenecks across the compute, compiler, framework, and cluster-networking stack.</span></p></li><li><p><span style="font-size:11pt;">Collaborate closely with ML researchers, data engineers, and hardware engineers to define requirements and align on architectural decisions for large-scale training infrastructure.</span></p></li><li><p><span style="font-size:11pt;">Implement custom kernels and build benchmarks to track and validate training-performance optimizations across the stack.</span></p></li></div></ul><h3>Qualifications</h3><ul><div><p><span style="font-size:11pt;font-family:Figtree , sans-serif;">Note: You do not have to meet all the requirements below to be considered for this position:</span></p><ul style="margin-top:0px;margin-bottom:0px;padding-inline-start:48px;"><li style="font-size:11pt;font-family:Figtree , sans-serif;"><p><span style="font-size:11pt;">4+ years of total experience, including 2+ years working on large-scale model training platforms.</span></p></li><li style="font-size:11pt;font-family:Figtree , sans-serif;"><p><span style="font-size:11pt;">Experience with distributed training frameworks (Megatron-LM, TorchTitan), efficiently utilizing GPU/accelerator clusters at scale.</span></p></li><li style="font-size:11pt;font-family:Figtree , sans-serif;"><p><span style="font-size:11pt;">Experience with RL framework such as Verl/MILES and RL algorithms(GRPO, PPO)</span></p></li><li style="font-size:11pt;font-family:Figtree , sans-serif;"><p><span style="font-size:11pt;">Experience with collective communication libraries (e.g., NCCL) and optimizing communication/compute overlap in multi-node training.</span></p></li><li style="font-size:11pt;font-family:Figtree , sans-serif;"><p><span style="font-size:11pt;">Experience using profiling tools (NVIDIA Nsight, PyTorch Profiler, or XLA/JAX profiling) to identify and resolve training bottlenecks.</span></p></li><li style="font-size:11pt;font-family:Figtree , sans-serif;"><p><span style="font-size:11pt;">Proficient in Python or C++.</span></p></li><li style="font-size:11pt;font-family:Figtree , sans-serif;"><p><span style="font-size:11pt;">Experience with ML compilers, performance tooling, or hardware/software co-design (e.g., GPU/TPU/accelerator architectures).</span></p></li></ul></div></ul><br><div><b>About Zoox</b></div><div>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.</div><div><br></div><div><a href="https://www.linkedin.com/company/zoox-inc">Follow us on LinkedIn</a></div><div><br></div><div><b>Accommodations</b></div><div>If you need an accommodation to participate in the application or interview process please reach out to accommodations@zoox.com or your assigned recruiter.</div><div><br></div><div><b>A Final Note:</b></div><div>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.</div>

<p>Zoox is developing the first fully electric autonomous vehicles to support low-carbon transportation and to decrease congestion and reliance on individual car ownership in urban areas.&nbsp;</p>

Software Engineer, ML Training Optimization

<div><span>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.</span></div><div> </div><div><strong><span>The Opportunity</span></strong></div><div><span>Are you excited to drive our ML Training Optimization initiatives and make the models that power autonomous driving trains faster, cheaper, and at greater scale? You will work with SOTA accelerators and cutting-edge techniques in distributed training, parallelism strategies, mixed-precision training and RL, especially for VLA and VLM models that are multi-modal — partnering closely with all the Autonomy teams within Zoox (Perception, Prediction, Planner, Simulation, Collision Avoidance) and pushing the boundaries of how ML training is practiced at Zoox.</span></div><div> </div><div><span>We build and operate the base layer of ML tools, model development, and training 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</span><a href="https://zoox.com/autonomy/"><span> </span><span>here</span></a><span>. If you want to learn more about our ML Infrastructure, here is one of our</span><a href="https://www.youtube.com/watch?v=j-LpPv9vBvk"><span> </span><span>past talks</span></a><span> at re:Invent.</span></div><br /><br /><h3>In this role, you will:</h3><ul><div><li><p><span>Design, implement, and operate cutting-edge ML training performance optimization techniques — distributed training (data/tensor/pipeline parallelism), mixed-precision, gradient checkpointing, and GPU kernels — to scale our VLM, VLA, and Foundational models training efficiency.</span></p></li><li><p><span>Work on RL framework and RL performance optimization for driving foundation model </span></p></li><li><p><span>Profile and debug training throughput bottlenecks across the compute, compiler, framework, and cluster-networking stack.</span></p></li><li><p><span>Collaborate closely with ML researchers, data engineers, and hardware engineers to define requirements and align on architectural decisions for large-scale training infrastructure.</span></p></li><li><p><span>Implement custom kernels and build benchmarks to track and validate training-performance optimizations across the stack.</span></p></li></div></ul><h3>Qualifications</h3><ul><div><p><span>Note: You do not have to meet all the requirements below to be considered for this position:</span></p><ul><li><p><span>4+ years of total experience, including 2+ years working on large-scale model training platforms.</span></p></li><li><p><span>Experience with distributed training frameworks (Megatron-LM, TorchTitan), efficiently utilizing GPU/accelerator clusters at scale.</span></p></li><li><p><span>Experience with RL framework such as Verl/MILES and RL algorithms(GRPO, PPO)</span></p></li><li><p><span>Experience with collective communication libraries (e.g., NCCL) and optimizing communication/compute overlap in multi-node training.</span></p></li><li><p><span>Experience using profiling tools (NVIDIA Nsight, PyTorch Profiler, or XLA/JAX profiling) to identify and resolve training bottlenecks.</span></p></li><li><p><span>Proficient in Python or C++.</span></p></li><li><p><span>Experience with ML compilers, performance tooling, or hardware/software co-design (e.g., GPU/TPU/accelerator architectures).</span></p></li></ul></div></ul><br /><div><b>About Zoox</b></div><div>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.</div><div><br /></div><div><a href="https://www.linkedin.com/company/zoox-inc">Follow us on LinkedIn</a></div><div><br /></div><div><b>Accommodations</b></div><div>If you need an accommodation to participate in the application or interview process please reach out to accommodations@zoox.com or your assigned recruiter.</div><div><br /></div><div><b>A Final Note:</b></div><div>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.</div>

Software Engineer, ML Training Optimization

About the Job

About the Company

Zoox

Similar Jobs

Member of Technical Staff - ML Infra

Member of Technical Staff - ML Infra

Software Engineer, ML Inference Optimization

Software Engineer, ML Inference Optimization

Software Engineer (SE / Sr SE), Applied ML & Data Mining

Software Engineer (SE / Sr SE), Applied ML & Data Mining

Software Engineer (SE / Sr SE), Data & ML Platform

Software Engineer (SE / Sr SE), Data & ML Platform

Senior Machine Learning Engineer - AI Foundation

Senior Machine Learning Engineer - AI Foundation

Engineering Manager, ML Performance Optimization

Engineering Manager, ML Performance Optimization

Machine Learning Engineer - 3D Sensor Simulation

Machine Learning Engineer - 3D Sensor Simulation

Senior/Staff Software Engineer, ML Training Optimization

Senior/Staff Software Engineer, ML Training Optimization

Machine Learning Engineer

Machine Learning Engineer

Senior Staff Machine Learning Performance Engineer

Senior Staff Machine Learning Performance Engineer