Research Scientist: AI Search & Multimodal Systems

TikTok; Singapore; On-site; SGD 150,000 - 210,000; Full time

Job summary

TikTok is hiring for an AI/ML research role in Singapore. You will join our Search Team to explore next‑generation AI-powered search, integrating foundation models with advanced ranking, multimodal pre-training, and LLM-based agents.

Candidates should hold a PhD in a related field and demonstrate strong ML/DL fundamentals with coding prowess. As part of a fast‑moving group, you will publish, collaborate across disciplines, and contribute to scalable search systems that enhance user experience

Qualifications

• PhD in AI, CS, or related technical discipline required or recently completed.
• Strong coding skills and foundation in ML/DL/LLM; proficient in Python or C/C++.
• Publications at AI conferences (e.g., AAAI, NeurIPS, ACL) preferred.

Responsibilities

• Explore integration of foundation models with ranking algorithms for personalized search.
• Develop end-to-end generative search models using multimodal pre-training.
• Investigate LLM-based agent tech to improve user satisfaction on complex queries.
• Collaborate in a fast-paced team culture focused on innovation and problem solving.

Skills

Python

C/C++

Machine Learning

LLM

Education

PhD in AI/CS/Engineering

Tools

PyTorch

TensorFlow

Job description

TikTok is hiring for an AI/ML research role in Singapore. You will join our Search Team to explore next‑generation AI-powered search, integrating foundation models with advanced ranking, multimodal pre-training, and LLM-based agents.

Candidates should hold a PhD in a related field and demonstrate strong ML/DL fundamentals with coding prowess. As part of a fast‑moving group, you will publish, collaborate across disciplines, and contribute to scalable search systems that enhance user experience