Lead Data Scientist - Personalization & Recommendations

GoTo Group; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

GoTo Group is seeking a senior data scientist for GoPay to develop and optimize personalization and recommendation models. You will collaborate with product and engineering to design, test, and deploy end-to-end ML pipelines in production, prototyping rapidly, and evaluating impact with CTR, conversions, and NDCG metrics.

You will leverage large-scale behavioral data, build user behavior and ranking models, and collaborate across GoPay and GoTo teams to improve discovery and engagement.

Qualifications

• 6–8 years of applied data science or ML experience.
• Proficiency in Python and familiarity with ML frameworks (Scikit-learn, TensorFlow, PyTorch).
• Solid ML fundamentals: supervised learning, ranking, embeddings, evaluation metrics.
• Experience with large-scale datasets using Spark, MaxCompute (MC).
• Strong analytical and problem-solving skills with ability to translate data into actionable recommendations.
• Good communication skills in English for cross-functional collaboration.
• Masters or Ph.D. in a quantitative discipline is a plus.

Responsibilities

• Work in a cross-functional team to build DS solutions that grow GoPay’s customer engagement and transactions.
• Rapidly prototype DS solutions and contribute to product discussions.
• Analyze large-volume data to generate actionable insights.
• Own end-to-end solutioning from problem formulation to deployment with engineers.
• Design and implement algorithms for search, recommendation, or ads systems to drive discovery and conversion.
• Collaborate with product, engineering and business DS teams to run experiments and deploy scalable solutions.

Skills

6–8 years experience

Python proficiency

ML frameworks (scikit-learn, Tensor

ML fundamentals

Large-scale datasets (Spark, MaxReduce

Analytical problem solving

English communication

Masters/PhD in quantitative field

Education

Master’s or Ph.D. in a quantitative discipline

Tools

Spark

MaxCompute

Job description

GoTo Group is seeking a senior data scientist for GoPay to develop and optimize personalization and recommendation models. You will collaborate with product and engineering to design, test, and deploy end-to-end ML pipelines in production, prototyping rapidly, and evaluating impact with CTR, conversions, and NDCG metrics.

You will leverage large-scale behavioral data, build user behavior and ranking models, and collaborate across GoPay and GoTo teams to improve discovery and engagement.