Lead Data Scientist, Search & Recommendation Platforms

GoTo Group; Singapore; On-site; SGD 120,000 - 190,000; Full time

Job summary

GoTo Group is seeking a Lead Data Scientist for the Search & Recommendation platform in Singapore. You will design and deploy search, recommendations, and monetisation models powering GoFood and GoPay across Indonesia, with a regional impact across Singapore, China, Indonesia, and India.

The role emphasizes designing hybrid retrieval pipelines, embeddings, and multi-task ranking models, leveraging real-time signals like promotions and stock.

Qualifications

• Master’s degree or higher in CS, ML, NLP, CV, or related field.
• Strong programming skills in Python, C++, or Java.
• Hands-on experience building large-scale ranking or recommendation systems.
• Familiarity with LLMs/LLVMs and integrating them into search or recommendation pipelines is a plus.
• Ability to innovate with algorithms and drive measurable business impact.
• Excellent written and spoken English; Bahasa Indonesia understanding is a bonus.

Responsibilities

• Design and optimise hybrid lexical-semantic retrieval pipelines to improve precision and recall across GoFood and GoPay.
• Build embeddings and relevance signals that capture user intent, cuisine and dish semantics, geolocation, delivery constraints, price sensitivity, and promotions.
• Develop multi-task deep ranking models balancing conversion, diversity, merchant quality, and long-term user retention with real-time signals.
• Build personalised ranking layers and user behaviour models leveraging historical orders and contextual features.
• Engineer recommendation algorithms using collaborative filtering, graph-based methods, and sequence models for retrieval expansion, including cold-start merchants and new dishes.
• Advance embedding quality for multi-modal data and use LLMs to enhance structured knowledge (taxonomy tagging, dish attributes, dietary labels).
• Incorporate structured metadata, taxonomy signals, and knowledge-graph features into retrieval and ranking pipelines to improve semantic understanding.

Skills

Python

C++

Java

Ranking systems

Recommendation systems

LLMs

English communication

Education

Master’s degree in Computer Science / ML / NLP / CV

Job description

GoTo Group is seeking a Lead Data Scientist for the Search & Recommendation platform in Singapore. You will design and deploy search, recommendations, and monetisation models powering GoFood and GoPay across Indonesia, with a regional impact across Singapore, China, Indonesia, and India.

The role emphasizes designing hybrid retrieval pipelines, embeddings, and multi-task ranking models, leveraging real-time signals like promotions and stock.