Senior Machine Learning Engineer, Ads Foundation Modeling

Unity Technologies; Boston (MA); Remote; USD 165,000 - 249,000; Full time

Job summary

A leading technology company is seeking a Senior Machine Learning Engineer to enhance ad ranking systems through CTR and CVR modeling. The ideal candidate has extensive experience in machine learning and data analysis, along with a strong educational background in computer science. This fully remote role involves designing efficient models and collaborating with cross-functional teams to ensure high-quality outputs.

Benefits

Comprehensive benefits package

Flexible work hours

Work-life balance support

Qualifications

• 5+ years of experience in Ads delivery and optimization systems.
• 3+ years of experience building CTR/CVR systems and content understanding.
• Significant experience in large-scale data analysis and experimentation methodologies.

Responsibilities

• Design and implement high-performance CTR and CVR prediction models.
• Build systems for user behavior modeling and engagement predictions.
• Monitor model performance and calibrate predictions.

Skills

Machine Learning

Python

Data Analysis

Statistical Modeling

Behavior Modeling

Education

Advanced degree in Computer Science or related field

Tools

Python

Go

C++

Job description

Remote, USA

Senior Machine Learning Engineer, Ads Foundation Modeling

Location

Remote, USA

Department

Engineering

Requisition ID

JOBREQ-2514986

Overview

Role description and opportunity to contribute to Unity's Foundation Modeling team, focusing on state-of-the-art conversion rate (CVR) prediction and market price models that power ad ranking and recommendation systems. The role aims to improve engagement, conversion performance, and return on ad spend for advertisers while delivering a better user experience.

What you'll be doing

• Design, implement, and maintain high-performance CTR and CVR prediction models that power ad ranking and recommendation systems.
• Build and refine systems for creative understanding and user behavior modeling, enabling more accurate and context-aware engagement predictions.
• Ensure model quality and reliability by monitoring performance, calibrating predictions, and addressing data drift or delayed feedback.
• Actively participate and collaborate with other leads to define long-term direction for the team, plan and oversee engineering designs and project execution.
• Effectively communicate complex technical concepts to non-engineering stakeholders.

What we're looking for

• Advanced degree (MS or Ph.D.) in Computer Science, Machine Learning, Statistics, 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, or behavior modeling systems.
• Significant experience in one or more general-purpose programming languages like Python, Go, Scala, C++ or similar.
• Knowledge of metric design, experimentation methodologies, and large-scale data analysis.

You might also have

• Experience designing and productionizing optimization algorithms in an ad serving platform and/or other marketplaces.
• Experience with state-of-the-art control systems, reinforcement learning algorithms.

Additional information

• International relocation support is not available for this position.

Life at Unity

We offer a wide range of benefits designed to support employees' well-being and work-life balance. You can read more about them on our career page (https://unity.com/careers).

Unity [NYSE: U] is the leading platform to create and grow games and interactive experiences. Creators, ranging from game developers to artists, architects, automotive designers, infrastructure experts, filmmakers, and more, use Unity to bring their imaginations to life across multiple platforms, from mobile, PC, and console, to spatial computing.

As of the third quarter of 2024, more than 70% of the top 1,000 mobile games were made with Unity, and in 2024, Made with Unity applications had an average of 3.7 billion downloads per month. For more information, please visit Unity (https://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. 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 (https://docs.google.com/forms/d/e/1FAIpQLSdrbRLG1N-apH1eahQ622Gypo-rmiAB6LLTP1UsSWQNu7omxQ/viewform) 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.

Head hunters 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.

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*Note: Certain locations require a good faith disclosure of the base salary range for the role. The actual salary for the successful candidate may differ based on location, experience, and other job-related factors.

Gross pay salary

$165,600—$248,400 USD