Senior Applied Scientist: Ads Ranking, CVR & Recommendations

Posted yesterday

ironsourceMountain View (CA)

Data Scientists All Other Professional, Scientific, and Technical Services

SENIORITY

Senior

Apply

About the role

Unity is seeking a Senior Applied Scientist to build and maintain advanced systems for understanding user behavior across applications, improving ad ranking, conversion predictions, and recommendations. You will enable richer behavioral models, smarter bidding strategies, and more effective ad performance in a fast-paced environment. The role requires an MS/PhD in CS/ML/Statistics, 5+ years in ads delivery and optimization, and 3+ years in behavioral modeling with proficiency in

Before you apply

Applying takes about a minute. These four things decide how fast it moves after that.

Your profile is current

It's what we read first. Occupations, seniority and locations matter more than a long history.

Two examples you can talk through

Not a portfolio — just two pieces of work where you can explain the decisions and what you'd change.

A number in mind

What you're on now and what would make you move. We negotiate better when we know both.

Your notice period

Employers plan around it, and it's the question that stalls offers most often.

Once you apply, someone reads it and calls you before anything reaches the employer — usually within two working days.