Senior Machine Learning Scientist (Advertising AI)

Location: Mountain View, California, United States

Annual base salary: $184,800–$196,350

Company

hirify.global operates a large online home-shopping marketplace and develops technology for e-commerce and digital advertising.

What you will do

• Provide technical leadership for intelligent agentic systems supporting advertising recommendations and campaign optimization.
• Design, build, deploy, and refine reusable large-scale machine learning platforms for advertising.
• Develop machine learning solutions for commercial problems involving budget allocation, target ROAS, SKU selection, ranking, and personalization.
• Collaborate with product, engineering, infrastructure, and machine learning platform teams to deploy scalable services using engineering best practices.
• Identify insights from data, improve models, evaluate projected ROI, and design experiments with A/B testing and statistical analysis.
• Research developments in advertising, sorting, recommendations, and open-source machine learning packages and incorporate relevant findings into internal systems.

Requirements

• 2+ years of experience with a PhD, 4+ years with an MS, or 6+ years with a BS in a quantitative STEM field.
• At least 2 years of experience developing, evaluating, optimizing, and deploying machine learning models focused on advertising, bidding, recommendations, ranking, or personalization.
• Strong theoretical understanding of agentic systems and large-scale machine learning.
• Proficiency in Python and experience with TensorFlow, PyTorch, or Scikit-Learn.
• Experience with data processing, machine learning pipeline orchestration, scalable coding, and cloud environments such as AWS, GCP, or Azure.
• Ability to explain complex machine learning concepts to non-technical stakeholders and support data-driven decisions.

Nice to have

• Experience with Google Cloud machine learning platforms, including BigQuery, GCS, Dataproc, or AI Notebooks.
• Advertising or e-commerce economics experience.
• Hands-on experience with agentic chat-based products deployed to consumers.

Culture & Benefits

• Work on machine learning products that directly influence advertising performance and company revenue.
• Collaborate across science, product, engineering, infrastructure, and commercial teams.
• Total compensation may include equity, bonuses, commissions, and comprehensive medical and financial benefits.
• hirify.global supports equal employment opportunities and reasonable accommodations for individuals with disabilities.