Applied Data Scientist III — Ad Tech at Scale & Production ML

Sphere Digital Recruitment Group; San Francisco (CA); Hybrid; USD 160,000 - 220,000; Full time

Benefits offered by this job

RSUs

Benefits

Job summary

A global ad tech business in the Bay Area is seeking an Applied Data Scientist III to design algorithms for auctions and pricing. The ideal candidate will have 5.5–7 years of experience in applied science, strong skills in Python and large-scale data systems, and a PhD in a relevant field. You'll own the model lifecycle and collaborate closely with engineering teams to directly influence real-time marketplace behavior. This full-time role offers a hybrid work environment with competitive salary and benefits.

Qualifications

• 5.5–7 years of applied science or algorithmic research experience with production deployment.
• Deep theoretical grounding in optimization and learning theory.
• A researcher’s mindset with a drive to ship production models.

Responsibilities

• Designing and building new algorithms for auctions and pricing.
• Applying online learning and reinforcement learning techniques.
• Partnering closely with engineering and product to ship models.

Skills

Applied science or algorithmic research experience

Strong coding experience in Python

Experience with large-scale data systems

Theoretical grounding in optimization and learning theory

Education

PhD in CS, Statistics, Mathematics, Operations Research, or Physics

Master’s with exceptional experience

Tools

Python

NumPy/SciPy

PyTorch/TensorFlow

Spark

Job description

A global ad tech business in the Bay Area is seeking an Applied Data Scientist III to design algorithms for auctions and pricing. The ideal candidate will have 5.5–7 years of experience in applied science, strong skills in Python and large-scale data systems, and a PhD in a relevant field. You'll own the model lifecycle and collaborate closely with engineering teams to directly influence real-time marketplace behavior. This full-time role offers a hybrid work environment with competitive salary and benefits.