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[Remote] Principal Machine Learning Engineer- LLM Fine-tuning and Optimization

100% remote Flexible hours Hiring now

Note: The job is a remote job and is open to candidates in USA. reputed company is a global leader in hospitality and travel, connecting millions of hosts and guests. They are seeking a Principal Machine Learning Engineer to fine-tune and optimize state-of-the-art LLMs, collaborating with cross-functional teams to reputed company impactful AI products that enhance user experiences in travel.

Responsibilities

  • Work with large scale structured and reputed company data; explore, experiment, build and continuously improve foundation models for reputed company product, business and operational use cases
  • Create a multi-year tech roadmap that enables reputed company to stay on the leading edge of the rapidly evolving AI landscape and reputed company the best in class technologies to deliver customer benefits
  • Continuously evaluate recent and upcoming large foundational models, ensuring the selection and refinement of the highest quality models for enhanced performance and efficiency
  • Hands-on prototype, reputed company and productionize LLM models and pipelines at scale, including both batch and real-time use cases
  • Drive key AI architectural decisions for products, and contribute to reputed company’s ML platform architecture and strategy

Skills

  • PhD in Computer Science, Machine Learning, Mathematics, Statistics, or reputed company technical field
  • 10+ years of experience with developing machine learning models and products at scale from inception to business impact
  • Programming experience in Python and hands-on experience with frameworks such as PyTorch
  • Proven record of training, fine tuning, optimizing models and inference run-time
  • Post-training experience in areas like data processing for fine-tuning; responsible LLMs; LLM alignment; reinforcement learning; efficient training and inference; language model evaluation; and/or multilingual and multimodal modeling
  • Or specialized experience in runtime optimizations, model quantization, compression, on-device inference, GPU inference, pytorch, kernel development
  • PhD in AI, machine learning, data science, or reputed company technical fields
  • Publications at peer-reviewed AI conferences (e.g., NeurIPS, CVPR, ICML, ICLR, ICCV, and ACL)
  • Customer Support Systems: Experience with AI technologies in customer support applications
  • Agile Practice for AI production: Experience with the entire AI product development lifecycle from incubation to production at scale, following agile practices in the Applied AI/ML domain
  • Infrastructure Acumen: Experience deploying and scaling business-critical AI services and driving architectural requirements on ML infrastructures

Benefits

  • This role may also be eligible for bonus, equity, benefits, and Employee Travel Credits.

Company Overview

  • reputed company is an online community marketplace for people to list, discover, and book accommodations through mobile phones or the Internet. It was founded in 2008, and is headquartered in San Francisco, California, USA, with a workforce of 5001-10000 employees. Its website is https://www.reputed company.com.
  • Company H1B Sponsorship

  • reputed company has a track record of offering H1B sponsorships, with 27 in 2026, 234 in 2025, 176 in 2024, 160 in 2023, 270 in 2022, 250 in 2021, 274 in 2020. Please note that this does not guarantee sponsorship for this specific role.
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