Sr. Machine Learning Engineer, Ads Modeling

Unity South APAC (SEA, ANZ, IND Subcont.); Mountain View (CA); On-site; USD 160,000 - 250,000; Full time

Benefits offered by this job

Comprehensive health insurance

Commute subsidy

Employee stock ownership

Competitive retirement plans

Generous vacation and personal days

Parental leave and family care support

Office snacks

Mental Health programs

Employee Resource Groups

Training and development programs

Volunteering and donation matching

Job summary

Unity is seeking a Senior Machine Learning Engineer for the Vector Ads Modeling team in Mountain View. You will advance ads recommendation algorithms, leverage real-time data, and collaborate with engineering to deploy research-driven models.

The role requires hands-on ML/DL work, Python and PyTorch proficiency, and the ability to design metrics, analyze large data sets, and drive cross-team impact. Equity and incentives may be part of the package.

Qualifications

• Hands-on experience applying state-of-the-art ML/DL models to real-world problems.
• Domain: user behavior modeling.
• Proficiency in Python, PyTorch and DL frameworks.
• Solid understanding of metric design, large-scale data analysis and distributed computing frameworks.

Responsibilities

• Understand Unity ads business, data, and user interactions.
• Drive foundational research for new ML models and paradigms.
• Collaborate with engineering and product teams to productionalize research.

Skills

Hands-on ML/DL

Python

PyTorch

Deep learning

Metrics design

Data analysis

Distributed computing

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 At Unity

• 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. Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third‑party agency or company that does not have a signed agreement with Unity. Your privacy is important to us. Please take a moment to review our Prospect and Applicant Privacy Policies. Should you have any concerns about your privacy, please contact us at [e-mail]. 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. At Unity, we're committed to creating a workplace that fosters collaboration and teamwork that allows you to harness your unique skills. Join us in creating industry tools to help creators of all levels bring their projects to reality. Learn more about our culture and values, and get a head start by reading about how our hiring process works.