Senior Data Scientist, Ads & Demand Optimization (Flexible)

Grab; Singapore; On-site; SGD 140,000 - 200,000; Full time

Benefits offered by this job

Term Life Insurance

Medical Insurance

GrabFlex benefits

Parental leave

Birthday leave

Love-all-Serve-all volunteering leave

Grabber Assistance Programme

FlexWork hours

Job summary

Grab in Singapore is seeking a Senior Data Scientist (G4) to bridge ads ranking and demand personalization. You will develop algorithmic frameworks that shape user journeys, govern ads auctions, and allocate promotional budgets, reporting to the Data Science Manager II and based onsite at Grab One North Singapore.

As part of the Ads and Demand Optimization Team, you will collaborate with Product and Engineering, design evaluation frameworks (A/B testing, bandits), and drive ROI for merchants and

Qualifications

• Bachelor's Degree in Computer Science or related fields is required.
• Minimum 4 years as a Data Scientist in ads ranking, recommendation, uplift modelling, or marketplace optimization.
• Strong foundations in statistics, ML, and optimization; familiarity with ads auctions theory.

Responsibilities

• Design Optimization Frameworks for ad ranking and automated promo assignment.
• Lead Causal Inference using uplift modelling to maximise promotional incrementality.
• Optimise Auctions to balance ecosystem health and platform ROI.
• Design experimentation and metrics frameworks (A/B testing, switchback, bandits) for CTR, CVR, and GMV.
• Collaborate with Product and Engineering to translate marketplace challenges into data science roadmaps.

Skills

Python

SQL

Ads ranking

Uplift modelling

Causal inference

Experimental design

Communication

Machine learning

Education

Bachelor's Degree in Computer Science or related fields

Tools

Spark

Job description

Grab in Singapore is seeking a Senior Data Scientist (G4) to bridge ads ranking and demand personalization. You will develop algorithmic frameworks that shape user journeys, govern ads auctions, and allocate promotional budgets, reporting to the Data Science Manager II and based onsite at Grab One North Singapore.

As part of the Ads and Demand Optimization Team, you will collaborate with Product and Engineering, design evaluation frameworks (A/B testing, bandits), and drive ROI for merchants and