Multimodal LLM Architect (End-to-End AI)

TIKTOK PTE. LTD.; Singapore; On-site; SGD 140,000 - 220,000; Full time

Job summary

TikTok is seeking a PhD-qualified researcher to join the Global E-commerce Algorithm team. You will lead the development of multimodal product understanding, pricing intelligence, and advanced content-commerce capabilities.

You will work on cutting-edge NLP, CV, and generative models to drive product catalog quality and recommendations. You will own end-to-end projects from data construction and model training to deployment, evaluation, and continuous iteration, collaborating with

Qualifications

• PhD in Software Development, Computer Science, Computer Engineering or related field.
• Strong research or practical experience in NLP, CV, generative models, multimodal learning, large models, or Agents.
• Proficiency in PyTorch and TensorFlow; hands-on model training, tuning, and deployment.

Responsibilities

• Build global product catalog and content understanding systems with structured representations for products, videos, images, merchants, and brands.
• Develop algorithms for identical product matching, deduplication, and cross-lingual aggregation in multimodal data.
• Create pricing algorithms for price comparison, price monitoring, and anomaly detection; support subsidy programs and supply optimization.
• Construct multimodal semantic links across video-product and product-product relationships for trend understanding and optimization.
• Explore next-generation generative search and recommendation using cross-modal representations and SID modeling.
• Design generative algorithms for engaging e-commerce visuals, focusing on identity preservation and aesthetic style consistency.
• Explore business-facing Agents (price comparison, product analysis, content AIGC, merchant operation) using RAG, tool calling, and planning.
• Own end-to-end algorithm workflow from data construction to deployment and iteration.

Skills

NLP

Computer Vision

Generative models

Multimodal learning

Large models

Agents

Education

PhD in Computer Science / Software Engineering / Computer Engineering

Tools

PyTorch

TensorFlow

Job description

TikTok is seeking a PhD-qualified researcher to join the Global E-commerce Algorithm team. You will lead the development of multimodal product understanding, pricing intelligence, and advanced content-commerce capabilities.

You will work on cutting-edge NLP, CV, and generative models to drive product catalog quality and recommendations. You will own end-to-end projects from data construction and model training to deployment, evaluation, and continuous iteration, collaborating with