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Zoox

Senior Staff Machine Learning Engineer - Perception

ZooxBoston, MA

Leads development of ML algorithms for robot perception, including scene understanding, tracking, segmentation, and multi-modal foundation models using sensor data. Requires deep expertise in deep learning, computer vision, and production ML pipelines, collaborating across autonomy teams.

277k – 389k/yr
HybridML Engineering
Zoox

Software Engineer - Learned Trajectory Machine Learning Engineer

ZooxFoster City, CA

Develops deep learning models using imitation and reinforcement learning to generate safe, efficient trajectories for autonomous vehicles. Collaborates with perception and planning teams, leveraging large-scale ML infrastructure for production deployment in urban environments.

189k – 270k/yr
HybridML Engineering
Zoox

Staff / Senior Staff Software Engineer - Learned Trajectory Machine Learning Engineer

ZooxFoster City, CA

Develops deep learning models using imitation and reinforcement learning to generate safe, efficient driving trajectories for autonomous vehicles. Collaborates with Perception, Planning, and Simulation teams; requires ML expertise, Python fluency, and transformer experience.

277k – 407k/yr
HybridML Engineering
Perplexity

AI Inference Engineer

PerplexitySan Francisco, CA +2

Develops APIs and optimizes large-scale ML model inference using Python, Rust, C++, PyTorch, and CUDA. Benchmarks performance, improves reliability, and implements LLM optimizations on GPU architectures.

220k – 405k/yr
On-siteML Engineering
Suno

Machine Learning Scientist

SunoBoston, MA +1

Develops and deploys state-of-the-art ML models for AI music generation, owning full research projects from data engineering to evaluation. Requires 5+ years training large generative models like LLMs/diffusion with distributed PyTorch.

160k – 280k/yr
On-site5+ YOEML Engineering
Factory AI

Research Engineer

Factory AISan Francisco, CA

Designs and deploys AI-driven agentic systems for retrieval, code generation evaluation, and agent backend architecture. Requires 2+ years AI/ML experience with LLMs, Bachelor's or Master's in CS/AI, and ability to prototype innovative solutions onsite in San Francisco.

Salary not listed
On-site2+ YOEML Engineering
Ema

Software Engineering Lead, Machine Learning

EmaCalifornia

Leads development and deployment of ML models for NLP, retrieval, ranking, reasoning, dialog, and code-generation systems. Requires Master's/PhD, production ML experience, deep NLP expertise, Python proficiency, and MLOps knowledge in a fast-paced startup.

135k – 300k/yr
HybridML Engineering
Baseten

Software Engineer - Model Performance

BasetenSan Francisco, CA +1

Software Engineer optimizes ML model inference performance using techniques like quantization and speculative decoding. Requires backend experience with PyTorch, TensorRT, CUDA, and deep GPU knowledge for LLMs.

180k – 360k/yr
HybridML Engineering
OpenAI

Research Engineer, Retrieval & Search, Applied Engineering

OpenAISan Francisco, CA

Develop and deploy retrieval and search algorithms for OpenAI's API and ChatGPT, collaborating with research teams on production systems for millions of users. Requires experience with ML systems, vector databases, and large-scale search.

293k – 585k/yr
On-siteML Engineering
OpenAI

Distributed Training Engineer, Sora

OpenAISan Francisco, CA

Distributed Training Engineer optimizes training throughput for video foundation models, enabling researcher experiments with efficient architectures. Requires strong Python skills, distributed systems expertise, and performance profiling.

293k – 490k/yr
HybridML Engineering
Quadric

Deep Learning Compiler Engineer

QuadricBurlingame, CA

Develops and optimizes deep neural networks for Quadric's GPNPU architecture, focusing on algorithmic lowering, graph-based execution, and performance extraction. Requires MS/PhD, 8+ years experience in optimization, ML algorithms, and graphs.

Salary not listed
On-site8+ YOEML Engineering
character.ai

Research Engineer, Post-Training (All Industry Levels)

character.aiUnited States

Develops alignment algorithms, data pipelines, and sampling methods to optimize post-training AI models for performance and efficiency. Requires PhD or equivalent, ML expertise including reinforcement learning and transformers, and production code experience.

225k – 400k/yr
RemoteML Engineering
Zoox

Staff Software Engineer, ML Performance Optimization

ZooxFoster City, CA +1

Leads ML performance optimization for training and inference platforms in autonomous driving, collaborating across teams to enhance efficiency using PyTorch, TensorRT, and profiling tools. Requires strong Python/C++ skills, GPU expertise, and 4+ years in large-scale ML platforms; leads engineering team.

242k – 389k/yr
On-site4+ YOEML Engineering
Applied Intuition

Software Engineer - Mapping and Localization

Applied IntuitionSunnyvale, CA

As a Software Engineer specializing in Mapping and Localization, you will design and implement state-of-the-art systems for autonomous vehicles and mobile robots. This role involves building scalable solutions, fusing live data with maps, and continuously improving system performance using data-driven methods.

125k – 222k/yr
On-site3+ YOEML Engineering
Hive

Senior Machine Learning Engineer

HiveSeattle, WA +1

Develop, deploy, and optimize production-scale ML models using deep learning frameworks like PyTorch/TensorFlow. Requires 5+ years experience, expertise in Python, distributed systems, and focus areas like computer vision or NLP.

Salary not listed
On-site5+ YOEML Engineering
Hive

Staff Machine Learning Engineer

HiveSan Francisco, CA +1

Develops, deploys, and optimizes state-of-the-art ML models for production at scale, handling terabyte datasets and neural networks. Requires 8+ years experience, expertise in PyTorch/TensorFlow/Python, and focus in CV/NLP.

Salary not listed
On-site8+ YOEML Engineering
ISEE AI

Senior Perception Engineer

ISEE AIUnited States

Develops and deploys perception algorithms for autonomous driving, focusing on object detection, sensor fusion, localization, and tracking using LiDAR, cameras, and radar. Requires Master's degree and 4+ years non-academic experience in computer vision.

Salary not listed
Remote4+ YOEML Engineering
Elicit

Machine Learning Engineer

ElicitOakland, CA

Builds product workflows and agentic systems using language models for research tasks like evidence synthesis and experiment planning. Combines ML fluency with strong software engineering to create reliable, trustworthy AI tools for scientific decision-making.

230k – 340k/yr
HybridML Engineering
Hive

Machine Learning Engineer

HiveSeattle, WA +1

Develops, trains, deploys, and optimizes deep learning models for production use cases involving large datasets. Requires 1-2 years ML experience, Python proficiency, and familiarity with ML frameworks like TensorFlow or PyTorch.

Salary not listed
On-site1+ YOEML Engineering