Principal SDK Engineer

The opportunity
We invite you to take on a meaningful role as Principal SDK Engineer, where you’ll lead the design and development of scalable, privacy-conscious collection systems within our Ads organization. You will play a vital part in gathering, validating, and utilizing behavioral signals across client applications to empower groundbreaking machine learning use cases, such as ad targeting, ranking, and optimization.

This is your chance to work at the exciting intersection of SDK development, machine learning, and data infrastructure. Join us to create innovative solutions that propel advertising technology forward, impacting billions of global ad experiences while ensuring privacy and compliance.

What you'll be doing

• Designing, implementing, and maintaining SDKs that collect high-quality behavioral and contextual signals from client applications such as mobile, desktop, and Unity.
• Establishing and promoting instrumentation standards to ensure high-quality data collection for machine learning systems.
• Collaborating with multi-functional teams, including ML scientists, data engineers, and product managers, to adapt SDKs to evolving ML needs.
• Developing tools and frameworks to validate, monitor, and test collected data in production environments.
• Partnering with privacy and legal teams to ensure compliance with global regulations, such as GDPR and CCPA, while prioritizing user consent.

What we're looking for

• Strong proficiency in client application platforms like iOS, Android, Unity, or C++.
• Proven track record in event-based data collection, telemetry, and analytics frameworks.
• Experience in data preprocessing and quality assurance for machine learning pipelines.
• Familiarity with experimentation frameworks, including A/B testing and signal gating.
• Ability to work effectively in multi-functional teams and lead initiatives across SDK, infrastructure, and ML platform teams.

Additional information

• Relocation support is not available for this position.

Life at Unity
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.

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

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 Web site 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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