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Senior Machine Learning Engineer, Conversion Modeling

2 hours, 32 minutes ago
United States
Full-time
Senior
Machine Learning Engineer
Software Development
C++ Go Machine Learning Python Reinforcement Learning Scala Statistics
Apply Now
Unity

Unity

Unity is the top platform for real-time 3D content creation, empowering creators across industries to bring their ideas to life with interactive 2D and 3D content.

Internet Software & Services
5K-10K
Founded 2004
View All Jobs 130

Description

  • Design, implement, and maintain high-performance CTR and CVR prediction models for ad ranking and recommendation systems.
  • Build and refine creative understanding and user behavior modeling systems to improve engagement predictions.
  • Monitor model performance, calibrate predictions, and address data drift or delayed feedback to ensure reliability.
  • Work with other leads to define the team’s long-term direction and oversee engineering designs and project execution.
  • Communicate complex technical concepts clearly to non-engineering stakeholders.
  • Drive bidding optimization systems that support efficient budget pacing, goal-aligned automated strategies, experimentation, and growth for Unity Ads.

Requirements

  • MS or Ph.D. in Computer Science, Machine Learning, Statistics, a related field, or equivalent practical experience.
  • 5+ years of hands-on experience building and operating large-scale ads delivery and optimization systems.
  • 3+ years of experience building CTR/CVR systems, content understanding systems, or behavior modeling systems.
  • Strong experience in one or more general-purpose programming languages such as Python, Go, Scala, or C++.
  • Knowledge of metric design, experimentation methodologies, and large-scale data analysis.
  • Experience designing and productionizing optimization algorithms in an ad serving platform or other marketplaces (preferred).
  • Experience with state-of-the-art control systems and reinforcement learning algorithms (preferred).
  • Experience using AI as a strategic advantage in engineering while following best practices for code quality and security (preferred).
  • Sufficient knowledge of English for frequent professional verbal and written communication with global colleagues and partners.
  • International relocation support is not available for this position.

Benefits

  • Base salary range of $172,200 to $258,400 USD.
  • Comprehensive health, life, and disability insurance.
  • Employee stock ownership.
  • Competitive retirement or pension plans.
  • Generous vacation and personal days.
  • Leave and family-care programs for new parents.
  • Mental health and wellbeing programs and support.
  • Commute subsidy, office snacks, and employee resource groups.
  • Global Employee Assistance Program, training and development programs, and volunteering/donation matching.

Interested in this position?

Apply directly on the company website

Apply Now

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