Machine Learning Scientist Graduate - Global E-commerce Content Recommendation - 2026 Start (PhD)

Team Introduction

Global E-Commerce Content Recommendation team plays a central role in the company, driving critical product decisions and platform growth. The team is made up of machine learning researchers and engineers, who support and innovate on production recommendation models and drive product impact. The team is fast-pacing, collaborative and impact-driven.

In today’s content-driven commerce landscape, traditional collaborative filtering and supervised learning methods are no longer sufficient. We’re actively exploring how large language models (LLMs) and generative AI can fundamentally transform the recommendation process: from retrieval to ranking, and from static listings to dynamic, generative user-item interactions.

We are looking for talented individuals to join our team in 2026. As a graduate, you will get unparalleled opportunities for you to kickstart your career, pursue bold ideas and explore limitless growth opportunities. Co-create a future driven by your inspiration with TikTok.

Successful candidates must be able to commit to an onboarding date by end of year 2026

We will prioritize candidates who are able to commit to these start dates. Please state your availability and graduation date clearly in your resume.

Applications will be reviewed on a rolling basis. We encourage you to apply early.

Responsibilities

• Develop and deploy ML models to power personalized e-commerce recommendations
• Collaborate cross-functionally with product, infra, and data teams to translate business goals into technical solutions
• Evaluate model performance in both offline and online (A/B) testing to drive user experience and GMV
• Focused on scaling, robustness, and production-quality deployment

Qualifications

Minimum Qualifications:

• PhD in Computer Science, Machine Learning, Artificial Intelligence, Statistics, or a related technical field
• Proficient coding skills in Python and hands-on experience with deep learning frameworks such as TensorFlow or PyTorch
• Demonstrated ability to conduct rigorous research and analyze large-scale data
• Strong problem-solving skills and a high sense of ownership

Preferred Qualifications:

• Publications in top-tier ML/AI conferences (e.g., NeurIPS, ICML, ACL, SIGIR, KDD, CVPR, RecSys)
• Experience with recommendation systems, retrieval models, or multi-modal learning
• Familiarity with building and deploying real-time, scalable ML systems in production
• Background in e-commerce or related applied AI research domains