LLM & Agent Algorithm Expert (AI)

TL;DR

LLM & Agent Algorithm Expert (AI): Building multimodal AI generation and visual search experiences with an accent on pretraining and posttraining pipelines for search language models. Focus on designing multi-agent scheduling algorithms, developing agent execution frameworks with tool calling, and optimizing inference for long context and model efficiency.

Company

TikTok is a leading global short-form video platform driven by advanced AI and machine learning technologies.

What you will do

• Build and optimize multimodal AI generation and visual search experiences.
• Develop pretraining and posttraining pipelines for search-specific language models.
• Design multi-agent scheduling and collaboration algorithms.
• Create agent execution frameworks featuring tool calling and orchestration.
• Develop on-device intelligence using OCR and lightweight models.
• Implement long-term memory mechanisms and recursive self-improvement systems for agents.

Requirements

• Proven experience in developing and deploying large language models and agentic systems.
• Strong background in reinforcement learning, reward modeling, and model evaluation.
• Expertise in inference optimization, long-context modeling, and model efficiency.
• Experience with multimodal learning, computer vision, and OCR technologies.
• Ability to design and implement complex data synthesis and quality control pipelines.
• Proficiency in AI safety alignment and non-transformer architecture exploration.