GrepJob
Mozilla

Senior Machine Learning Engineer, Applied AI Modeling

Mozilla
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about 7 hours ago
Remote, United StatesSenior / Mid Level
H1B Sponsor

Base Salary

$139k - $218k/yr

Responsibilities

  • Develop and fine-tune large language models (LLMs) for browser interactions.
  • Apply retrieval-augmented generation, summarization, classification, and intent modeling techniques.
  • Use modern ML tooling to support end-to-end model development.
  • Collaborate with product and engineering teams to design and launch user-focused features.
  • Design and implement experiments to test model behavior in production.
  • Document and share work, participating in code reviews and design discussions.

Requirements

  • 4+ years of experience in applied machine learning, focusing on natural language processing or generative AI.
  • Hands-on experience fine-tuning and evaluating LLMs using modern tools.
  • Strong understanding of prompt engineering and evaluation strategies for generative applications.
  • Experience leading the end-to-end lifecycle of model development.
  • Track record of building user-facing AI features with a focus on privacy and usability.
  • Clear communication skills and ability to collaborate with multi-functional partners.

Benefits

  • Generous performance-based bonus plans.
  • Rich medical, dental, and vision coverage.
  • Generous retirement contributions with immediate vesting.
  • Quarterly wellness days for all employees.
  • Country-specific holidays plus a day off for your birthday.
  • One-time home office stipend.
  • Annual professional development budget.
  • Quarterly well-being stipend.
  • Considerable paid parental leave.
  • Employee referral bonus program.
  • Other benefits vary by country.

Categories

AI & MLData Science