Sr. Machine Learning Engineer, Ads Modeling

Unity; Mountain View (CA); On-site; USD 160,000 - 250,000; Full time

Benefits offered by this job

Health insurance

Equity / stock options

Retirement plan

Generous vacation

Parental leave

Commuter/subsidy

Wellbeing programs

Training and development

Volunteer matching

Laptop / equipment provided

Job summary

Unity is seeking a Senior Machine Learning Engineer for the Vector Ads Modeling team in Mountain View, CA. You will advance ads recommendation models using real-time user data to deliver personalized experiences and measurable business impact.

You will collaborate with product and engineering to productionize research, design scalable experiments, and apply state-of-the-art ML/DL methods to improve targeting and efficiency.

Qualifications

• Experience applying state-of-the-art ML/DL to real-world problems, especially in user behavior modeling.
• Proficiency in Python and PyTorch and deep learning frameworks.
• Understanding of metric design and large-scale data analysis.
• Experience with distributed computing frameworks.

Responsibilities

• Understand Unity ads business including product offering, advertisers goals, and ads serving funnel.
• Drive foundational research for new models and paradigms.
• Leverage rich user data and large-scale compute to validate models rapidly.
• Collaborate with engineering and product teams to productionalize research.

Skills

Machine learning

Deep learning

Python

PyTorch

User behavior modeling

Job description

The Opportunity

Unity Vector represents the next generation of our AI-powered advertising ecosystem-a forward-looking evolution of our machine learning infrastructure and models.

We are seeking a Senior Machine Learning Engineer to join our Vector Ads Modeling team. In this role, you will work with a high-impact team to advance ads recommendation algorithms to deliver personalized ads experience.

What you’ll be doing

• Understand Unity ads business, including product offering, advertisers goals, ads serving funnel, and rich real-time and dynamic user interaction data.
• Drive foundational research for new models and paradigms.
• Leverage rich user data and large-scale compute to validate models rapidly.
• Collaborate closely with engineering and product teams to productionalize research.

What we’re looking for

• Expertise: Hands-on experience applying state-of-the-art machine learning and deep learning models to complex real-world problems, specifically in the domains of user behavior modeling. Proficiency in Python, Pytorch and deep learning frameworks.
• Data & Analytics: Solid understanding of metric design, large-scale data analysis, and distributed computing frameworks.
• Strategic Impact: Proven ability to drive projects end-to-end, solving critical cross-team problems and delivering measurable business results.

Salary Range: $160,000 to $250,000

This range reflects the anticipated base salary for this position. Beyond base salary, this role may be eligible for equity awards and participation in our company incentive plans (such as annual discretionary bonuses or sales commissions). The final offer amount will depend on several factors, including geographic location and the candidate’s relevant experience, professional background, and skill set.

Benefits

• 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

Life at Unity

Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D - closing the gap between ideas and reality. For more information, please visit www.unity.com.

Unity is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators.

If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

This posting is intended to fill an existing vacancy, and we are committed to providing applicants with updates throughout the hiring process in accordance with applicable law.

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