Machine Learning Scientist Graduate (Global E-commerce Content Recommendation) - 2026 Start (BS/MS)

TikTok
Seattle, Washington

About the job

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 opportunities to pursue bold ideas, tackle complex challenges, and unlock limitless growth. Launch your career where inspiration is infinite at TikTok.

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

Final year with a background in Software Development, Computer Science, Computer Engineering, or a related technical discipline.

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

Publications in 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