Data Scientist, Digital Advertisement/Marketing - Global Ad Technology Supervisory Department (GATD)
Core
Data Scientist driving end-to-end initiatives for ad delivery optimization, including price, ad performance, and creative optimization within Rakuten's RUNA ad serving platform.
Role type
Senior IC Data Scientist (AdTech)
Builds
Ad delivery optimization models, price optimization, CTR/CVR prediction, and creative optimization systems for Rakuten's ad platform.
Domain
Digital Advertising / Ad Technology
Deliverable
production ML models
Required skills
Machine learning (regression, classification, tree-based methods, neural networks), statistics, causal inference, experimental design (A/B testing), feature engineering, data preprocessing, MLOps, Python, SQL, large-scale data processing
Preferred skills
Ad auctions and mechanism design, price optimization methods (Bayesian optimization, bandits, RL), creative optimization (multivariate testing, generative AI), streaming/real-time processing (Kafka, Flink), MLOps practices (feature stores, model registries)
Technologies
Python, SQL, Pandas, NumPy, scikit-learn, Spark, BigQuery, GCP (GKE, Dataflow, Cloud Pub/Sub), Aerospike, Terraform, Ansible, Go, Kafka, Flink, Beam
Responsibilities
Define problems and KPIs for ad delivery optimization; perform data preprocessing, feature engineering, and modeling for price/performance/creative optimization; design and execute online experiments (A/B tests, bandits); manage production operations, MLOps pipelines, and model monitoring; collaborate with stakeholders on requirements and decision support.
Seniority
Senior, hands-on IC
