Senior Machine Learning Engineer (AI)

TL;DR

Senior Machine Learning Engineer (AI): Building and optimizing ranking and personalization systems for an AI-powered entertainment assistant with an accent on multi-objective optimization and conversational discovery. Focus on developing large-scale ML systems using LLMs and reinforcement learning to enhance user engagement and monetization.

Location: San Jose, United States. Hybrid: Office Monday through Thursday, Fridays flexible

Salary: $361,300 – $510,000 annually

Company

hirify.global is the #1 TV streaming platform in the U.S., Canada, and Mexico, connecting consumers to content and publishers to audiences.

What you will do

• Lead the technical vision and roadmap for ranking, personalization, and recommendation systems.
• Develop and deploy state-of-the-art ML models using deep learning, transformers, LLMs, and reinforcement learning.
• Build multi-objective optimization systems balancing engagement, retention, and monetization.
• Design and analyze online A/B experiments tied to key product and business KPIs.
• Architect scalable ML systems, feature platforms, and data pipelines.
• Mentor engineers and provide technical leadership across cross-functional initiatives.

Requirements

• 8+ years of industry experience (or PhD with 5+ years) in search, recommendations, or personalization.
• Strong expertise in ranking systems, retrieval, and multi-objective optimization.
• Experience building large-scale ML systems with LLMs, RL, or bandit frameworks.
• Proficiency in Python, Java, or Scala.
• Experience with Spark, Airflow, and cloud platforms.
• Must be based in or able to work from the San Jose office under a hybrid schedule.

Culture & Benefits

• Inclusive environment focused on pragmatic innovation and problem-solving.
• Comprehensive health insurance (medical, dental, vision).
• Retirement options including 401(k).
• Paid time off, parental leave, and wellness benefits.
• Global access to mental health and financial wellness resources.