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Machine Learning Engineer, Next-Generation Recommendation Systems (New Grad / PhD)

Unity
Mountain View, CA, USANew York, NY, USA
Posted 1 day ago
Last seen 2 hours ago
Active
full-time
Students & Early Career
$112,700 - $169,100 USD

Job Summary

Join Unity's Vector AI team as a Machine Learning Engineer to revolutionize recommendation systems with LLMs and RLHF, impacting billions of users. This is a unique opportunity for PhD graduates to bring cutting-edge research into production and shape the future of ad relevance and user experience at massive scale.

About this job

Unity's Vector AI team is seeking a Machine Learning Engineer to build next-generation recommendation and ranking systems for ads, impacting billions of users. This role focuses on incorporating cutting-edge AI techniques like LLMs, RLHF, and agentic AI into production systems. You will design, build, and evaluate models to improve ad relevance, user experience, and optimize bidding strategies at massive scale.

Requirements

- PhD in Computer Science, Machine Learning, Statistics, or a related field (graduating 2026 or recent graduate). - Strong research foundations in one or more of: recommendation systems, reinforcement learning, LLM post-training or alignment, human-AI collaboration, probabilistic modeling, or optimization. - Experience working with large-scale data and ML systems, whether through research or industry internships. - Fluency in Python; familiarity with ML frameworks such as PyTorch or TensorFlow. - A track record of rigorous, high-quality research (publications at top venues are a strong signal). - Strong written and verbal communication skills.

Benefits & Perks

- Comprehensive health, life, and disability insurance - Commute subsidy - Employee stock ownership - Competitive retirement/pension plans - Generous vacation and personal days - Support for new parents through leave and family-care programs - Office food snacks - Mental Health and Wellbeing programs and support - Employee Resource Groups - Global Employee Assistance Program - Training and development programs - Volunteering and donation matching program

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