Principal Machine Learning Engineer

Summary

The job is for a Principal AI Engineer in the Firefox team at Mozilla Corporation. The role involves driving large open-ended problems to completion, identifying strategic opportunities for machine learning, and leading the design, development, and integration of innovative machine learning models in Firefox.

Requirements

• 10+ years experience as an Engineer in machine learning or artificial intelligence
• Deep knowledge of core web technologies and modern machine learning concepts like deep learning, natural language processing, large language models, reinforcement learning with expertise in one or more areas
• Identify difficult problems that are important for the organization, collaborate across teams and the organization to find the best strategy to resolve
• Ability to quickly analyze and solve sophisticated software development problems spanning multiple components, sometimes outside your area of expertise
• Proven track record of technical leadership across multiple teams, shipping AI products showing a high degree of collaboration, flexibility, and respect for diverse perspectives
• Strong problem-solving skills and ability to communicate complex concepts to technical and non-technical stakeholders
• Passion for responsible AI, transparent algorithms, and putting users’ needs first
• Experience with analyzing large-scale dataset utilizing statistical and machine learning tools
• Experience with design of experiments, survey design, and large-scale AB testing

Responsibilities

• Tackle large open-ended problems and drive them to completion, collaborating with other designers and engineers to make the web a better place
• Identify strategic opportunities where machine learning models improve the experience in Firefox
• Lead the design, development, and integration of innovative machine learning models in Firefox, collaborating cross functionally with product management, full stack engineering and design

Preferred Qualifications

• You have previously successfully contributed to an open source project
• Experience with the browser extensions architecture or ecosystem

Benefits

• Generous performance-based bonus plans to all eligible employees
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• 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 (life/AD&D, disability, EAP, etc. - varies by country)