Google

Principal M-LLM Post-Training and Execution Software Engineer, XR

Google$307K — $427K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Mathematics, or related field.
  • 15 years of experience in software engineering, particularly with large-scale ML systems.
  • Proven experience in driving go-to-market strategies for AI technologies.
  • Proven leadership in executing full-cycle AI product development.
  • Experience with high-performance inference engines and AI accelerators is a plus.
  • Expertise in computer vision pipelines and 3D perception integration with language models is preferred.
  • Proficient in real-time spatial computing problem-solving.

Responsibilities

  • Design and implement post-training infrastructure for Multimodal LLMs, focusing on RLHF and evaluation frameworks.
  • Optimize execution engines for real-time inference on XR hardware, ensuring efficiency in processing.
  • Develop and improve large-scale computer vision and multimodal data pipelines for enhanced spatial understanding.
  • Collaborate with Product and UX teams to create effective intelligence primitives for spatial applications.
  • Establish model safety and alignment standards tailored for VR/AR use cases, promoting responsible AI use.

Benefits

  • Comprehensive health and wellness programs.
  • Flexible work arrangements and remote working options.
  • Generous paid time off and parental leave.
  • Professional development opportunities and learning resources.
  • Retirement plans with company matching contributions.
Full Job Description
Minimum qualifications:
  • Bachelor's degree in Computer Science, Mathematics, or equivalent practical experience.
  • 15 years of experience in software engineering, specifically in large-scale machine learning systems or computing.
  • Experience driving the go-to-market strategy for AI-driven technologies.
  • Experience leading engineering teams through the full execution cycle of AI products.

Preferred qualifications:
  • Experience with high-performance inference engines and custom AI accelerators.
  • Advanced knowledge of computer vision pipelines, 3D perception, and their integration with large-scale language models.
  • Distinctive problem-solving and analytical skills applied to the challenges of real-time spatial computing.
  • Specialized expertise in large-scale post-training workflows, including Reinforcement Learning from Human Feedback (RLHF) and fine-tuning at scale.


About the job

At Google, we put our users first, and the Android XR team is building the future of how users experience the world through augmented and virtual reality. As the Principal SWE for Multimodal LLM (M-LLM) Post-Training & Execution, you will lead the critical efforts to take state-of-the-art research models and transform them into production-ready features for the XR platform. This role is uniquely positioned at the intersection of model alignment and high-performance execution. You will ensure our models are not only intelligent but also safe, reliable, and optimized for the real-time demands of XR environments. Your work will empower XR devices to "see" and "understand" the world in ways never before possible.

The Platforms and Devices team encompasses Google's various computing software platforms across environments (desktop, mobile, applications), as well as our first party devices and services that combine the best of Google AI, software, and hardware. Teams across this area research, design, and develop new technologies to make our user's interaction with computing faster and more seamless, building innovative experiences for our users around the world.

Individual pay is determined by factors including job-related skills, experience, and relevant education or training.

US: $307000 - $427000 (USD) 30% bonus target equity benefits

Learn more about benefits at Google .

Responsibilities
  • Design and scale the post-training infrastructure for Multimodal LLMs, including instruction tuning, RLHF, and automated evaluation frameworks.
  • Architect and optimize the execution engines that support real-time M-LLM inference on XR hardware, balancing high-fidelity output with battery-conscious processing.
  • Lead the development of large-scale computer vision and multimodal data pipelines to improve model understanding of spatial and environmental contexts.
  • Partner with Product and UX teams to define the "intelligence" primitives that will power the next generation of spatial applications.
  • Set the standard for model safety and alignment for XR-specific use cases, ensuring responsible AI deployment at scale.


About Google

Google is a multinational technology company that specializes in Internet-related services and products. These include online advertising technologies, search engine, cloud computing, software, and hardware. Google was founded in 1998 by Larry Page and Sergey Brin while they were Ph.D. students at Stanford University. The company has grown tremendously since then and has become one of the most valuable companies in the world. Google's mission is to organize the world's information and make it universally accessible and useful.
Learn more about Google
Size
156,500 employees
Market Cap
$1,115.4 billion
Industry
Net Income
$40.2 billion
Founded
1998
5 Year Trend
+23.3%
Revenue
$182.5 billion
NASDAQ

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