Senior Data Scientist: Mobile App Performance & ML

PubMatic; Redwood City (CA); Hybrid; USD 225,000 - 250,000; Full time

Benefits offered by this job

Healthcare

Dental and Vision Insurance

Disability and Life Insurance

Commuter Benefits

Unlimited DTO in the US

In‑office lunches 5 days a week

Job summary

PubMatic is seeking a senior data scientist to own the data science function for Mobile App performance, merging ML with programmatic advertising. You will build production models and signals, partnering with GTM teams to translate metrics into buyer insights.

In this high-visibility role, you’ll guide experiment design, diagnose system health across mobile ecosystems, and influence product and roadmap decisions with rigorous analysis and end-to-end ownership.

Qualifications

• 5+ years of hands-on data science experience with ML model development and production-grade analysis
• Fluency in Python and SQL; experience with large-scale data environments (Spark, Hadoop, Hive)
• Strong foundation in experimental design, hypothesis testing, regression modeling, and causal inference
• Experience with ML algorithms for ranking, prediction, and optimization: gradient boosted trees, deep learning, k-means
• Proven ability to extract actionable signals from noisy, high-volume datasets and communicate findings
• Track record of owning projects end-to-end, from problem framing through to production impact

Responsibilities

• Build signal enrichment pipelines using contextual signals, behavioral data, and mobile attribution frameworks
• Develop production-grade predictive models based on event data (clicks, installs, in-app events, retention)
• Partner with GTM teams to translate metric frameworks into buyer-facing insights and predictive models
• Conduct deep-dive analysis to influence product and engineering decisions; pull/query large datasets
• Develop predictive modeling frameworks to quantify performance gains before features ship
• Act as the senior data science voice in product discussions with analytical rigor

Skills

Python

SQL

Experimental design

Causal inference

Regression modeling

ML for ranking/prediction

Communication of findings

End-to-end ownership

Education

Master's or PhD in Statistics, CS, Mathematics

Tools

Spark

Hadoop

Hive

Job description

PubMatic is seeking a senior data scientist to own the data science function for Mobile App performance, merging ML with programmatic advertising. You will build production models and signals, partnering with GTM teams to translate metrics into buyer insights.

In this high-visibility role, you’ll guide experiment design, diagnose system health across mobile ecosystems, and influence product and roadmap decisions with rigorous analysis and end-to-end ownership.