CareerPlanSign in

Research Scientist Graduate (TikTok Recommendation-Agentic AI) - 2026 Start (PhD)

San Jose, United States of America💼 Full-time🗓 2026-09-28

Core

Design reinforcement learning datasets, optimize RL algorithms, and research agentic recommendation systems and generative models for TikTok's recommendation engine.

Role type

Research Scientist (Reinforcement Learning & Agentic AI)

Builds

Scalable training and inference frameworks for next-generation recommender systems

Domain

Recommendation Systems, Reinforcement Learning, Large Language Models

Deliverable

production ML models

Required skills

Reinforcement Learning, Agent Development, LLM Post-training, Dataset Construction, Algorithm Optimization, Research Translation

Preferred skills

Publications in top-tier AI conferences, Experience with RL/Agent-based systems, LLM alignment expertise

Technologies

Multimodal Large Language Models (MLLMs), Reinforcement Learning frameworks

Responsibilities

Design and construct reinforcement learning datasets tailored for recommendation scenarios; Explore and optimize reinforcement learning algorithms; Develop scalable training and inference frameworks; Conduct research on agentic recommendation systems and generative recommendation models

Seniority

Graduate Researcher (PhD)

Sourced via tiktok · Listed on CareerPlan, which tracks 902,000+ jobs from 20+ sources.