Machine Learning Engineer jobs in California

Together AI

Full-time · San Francisco, CA · $200,000 – $260,000

Senior ML engineer responsible for optimizing how Together AI serves voice models like Whisper and Parakeet on GPU hardware, with focus on inference latency, throughput, and production-grade reliability. Suits engineers with deep model-serving and infrastructure experience who want to shape a foundational product in real-time voice AI.

Listed on Together AI’s careers site · Apply there ↗

Krea AI

Full-time · San Francisco, CA

Krea is hiring a machine learning engineer to develop and train large-scale diffusion models for image and video generation, working on research that bridges AI capabilities with creative control. This role suits someone with a strong foundation in deep learning and distributed systems who wants to contribute to production-grade AI research at a well-funded creative AI company.

Listed on Krea AI’s careers site · Apply there ↗

Menlo Ventures Portfolio

Full-time · San Francisco, CA · $350,000 – $850,000

Anthropic seeks a Research Engineer to work across their full ML stack, tackling foundational challenges in building AI systems capable of scientific reasoning and complex problem-solving. This role bridges research and engineering, requiring deep expertise in language models, distributed systems, and performance optimization to scale prototypes into production systems.

Listed on Menlo Ventures Portfolio’s careers site · Apply there ↗

Cognition AI

San Francisco, CA

This role owns the core infrastructure systems that enable researchers to train and evaluate large AI models at scale, from distributed training across GPU clusters to experiment orchestration and data pipelines. It's for systems engineers who understand both the hardware-software stack deeply and the ML research enough to anticipate what researchers need before they ask.

Listed on Cognition AI’s careers site · Apply there ↗

Intuit

Full-time · Mountain View, CA · $273,500 – $369,500

Lead AI science initiatives focused on marketing applications, building and deploying machine learning models that drive customer value at scale. This role suits experienced ML leaders who combine deep technical expertise in machine learning or statistics with the ability to influence business strategy and mentor teams across the organization.

Listed on Intuit’s careers site · Apply there ↗

XPeng

Full-time · Santa Clara, CA · $244,140 – $413,160

XPENG is hiring a senior machine learning engineer to lead the development of vision-language-action models and world models for autonomous driving at scale. This role suits someone with deep expertise in foundation models and reinforcement learning who can architect end-to-end systems balancing research innovation with production-vehicle requirements.

Listed on XPeng’s careers site · Apply there ↗

Together AI

Full-time · San Francisco, CA · $200,000 – $300,000

A Machine Learning Engineer role optimizing AI inference systems at scale, building production systems for large language models using PyTorch. This suits engineers with deep systems knowledge who want to work on the infrastructure powering AI applications.

Listed on Together AI’s careers site · Apply there ↗

XPeng

Full-time · Santa Clara, CA · $174,720 – $295,680

This role involves building and optimizing large-scale vision-language-action foundation models that form the core of XPENG's autonomous driving systems. You'll design multi-modal architectures, lead pretraining strategies on massive fleet data, and collaborate across research and infrastructure teams to deploy intelligent models for next-generation vehicles.

Listed on XPeng’s careers site · Apply there ↗

Intuit

Oakland, CA · $209,500 – $283,500

Credit Karma seeks a Staff AI Scientist to lead machine learning initiatives that improve financial recommendations and monetization across their platform. This role suits someone with extensive ML expertise and strong communication skills who can drive cross-functional projects that directly impact millions of users' financial outcomes.

Listed on Intuit’s careers site · Apply there ↗

XPeng

Full-time · Santa Clara, CA · $215,280 – $364,320

XPeng is seeking a machine learning engineer to develop vision-language-action foundation models for autonomous driving systems, working with massive datasets and distributed computing infrastructure. This role suits researchers and practitioners with deep learning expertise who want to shape next-generation self-driving technology.

Listed on XPeng’s careers site · Apply there ↗

Intuit

Mountain View, CA · $273,500 – $369,500

A senior machine learning researcher role leading the development of AI standards, evaluation methodologies, and foundation models across Intuit's organization. This suits experienced data scientists ready to combine hands-on modeling with technical leadership and cross-functional collaboration at scale.

Listed on Intuit’s careers site · Apply there ↗

Intuit

Mountain View, CA · $209,500 – $283,500

This is a Staff-level AI scientist role focused on building and scaling generative AI infrastructure and capabilities across Intuit's product suite. The ideal candidate has deep expertise in LLMs, agentic AI systems, and production ML deployment, and will lead cross-functional efforts to advance Intuit's AI platform while embedding responsible AI principles.

Listed on Intuit’s careers site · Apply there ↗

Intuit

Mountain View, CA · $203,000 – $284,500

Lead machine learning systems from end-to-end—feature pipelines, model training, deployment, and monitoring—for a consumer platform that processes millions in business value. This role suits a seasoned ML engineer who can set technical standards, mentor teammates, and evolve shared infrastructure while directly shipping models that drive measurable impact.

Listed on Intuit’s careers site · Apply there ↗