Senior ML Researcher: Search & Multimodal AI

TikTok Inc.; Singapore; Hybrid; SGD 120,000 - 180,000; Full time

Job summary

TikTok Inc. is seeking a research scientist to advance large-model based search technologies, focusing on ranking, multimodal retrieval, and scalable architectures. You will collaborate with a cross-functional team across NLP, CV, and ML systems to push breakthroughs in personalized search at scale.

This role emphasizes innovative model development, rigorous evaluation, and building high-performance pipelines for very large data. Collaboration and impact across product teams are key.

Qualifications

• PhD holders preferred in AI, CS, NLP, CV or related fields.
• Solid foundation in ML/DL algorithms and coding.
• Strong team communication and collaboration skills.

Responsibilities

• Research on large models for personalized ranking and retrieval.
• Develop and evaluate cross-modal retrieval and ranking algorithms.
• Explore generative retrieval and LLM-based approaches for complex queries.
• Build high-performance, scalable data processing and online serving architectures.

Skills

Machine learning

C/C++

Python

Team communication

Education

PhD preferred

Job description

TikTok Inc. is seeking a research scientist to advance large-model based search technologies, focusing on ranking, multimodal retrieval, and scalable architectures. You will collaborate with a cross-functional team across NLP, CV, and ML systems to push breakthroughs in personalized search at scale.

This role emphasizes innovative model development, rigorous evaluation, and building high-performance pipelines for very large data. Collaboration and impact across product teams are key.