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Unity

Principal Machine Learning Engineer

Sorry, this job was removed at 06:08 p.m. (EST) on Tuesday, Dec 09, 2025
Remote or Hybrid
Hiring Remotely in USA
275K-275K Annually
Remote or Hybrid
Hiring Remotely in USA
275K-275K Annually

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The opportunity
At Unity, our Inclusion is driven by one overarching framework: Empathy, Respect, and Opportunity. In a collaborative, fast-growing environment, we are solving hard problems, and enabling the success of our community. At Unity, you will make a difference. In the Unity Ads Applied Research team, we envision and build systems that help creators capture the value they build!

Come join Unity our Ads Applied Research team to help drive the overall Ads strategy for Unity's products and services. In this position you'll be driving our applied research and analysis on how to improve the optimization and machine learning powering our ad networks, market place and audience tools.

What you'll be doing

  • Drive and implement machine learning applications and solutions across the organization.
  • Stay at the forefront of machine learning research to improve the organization’s capabilities.
  • Optimize and refine machine learning practices to establish the organization as machine learning leader.
  • Formulate and validate modeling and dataset hypotheses by analyzing drivers and build development roadmap.
  • Define requirements and communicate needs to product and engineering teams. Drive the overall direction of machine learning advancements to support the organization’s strategic vision.

What we're looking for

  • Master’s Degree or foreign equivalent in Computer Science, Statistics, Mathematics, or a related field and three (3) years of related work experience as a Data Scientist or a related occupation.
  • Must have three (3) years of experience with/in:
  • Interpreting and translating research into practical applications;
  • Developing research-driven gaming Advertisement recommendation and user profiling system that enhance system performance and user engagement, leading to measurable business impact;
  • Using TensorFlow and PyTorch as well as understanding of model architectures and mechanisms to improve user engagement and further improve the performance of company’s advertisement network;
  • Analyzing model performance using model performance deep dive methodology and statistically bias understanding to identify key improvement areas, refining algorithms to enhance accuracy and efficiency;
  • Evaluating data trends and statistical patterns using Looker and Imply to pinpoint challenges; and
  • Driving informed decision-making in machine learning applications.
  • Additional information
  • International relocation support is not available for this position.
  • Work visa/immigration sponsorship is not available for this position.
  • Hours/week, Mon-Fri, 8:30 a.m. - 5:30 p.m. $275,000/yr.
  • 100% Telecommuting Permitted.

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.

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.

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.

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 Privacy Policy and Applicant Privacy Policy. Should you have any concerns about your privacy, please contact us at [email protected].

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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
$275,000$275,000 USD
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