Machine Learning Engineer - TikTok Search

Singapore💼 Full-time🗓 2026-09-21 → 2026-09-23

Core

Building and optimizing TikTok's full-stack search engine to provide users with the best search experience using information retrieval and machine learning.

Role type

Senior IC machine learning engineer (search & recommendation)

Builds

Full-stack search engine system for TikTok

Domain

Social media, Search, Information Retrieval

Deliverable

production ML models | product features

Required skills

Search algorithms, Recommendation systems, NLP, Multimodal techniques, Ranking algorithms, C++, Python, Java, Data structures

Preferred skills

Effective communication, Teamwork

Technologies

C++, Python, Java

Responsibilities

Optimize search quality for user experience, Improve search ranking algorithms including query understanding and video understanding

Seniority

Senior, hands-on IC

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About ByteDance

Founded in 2012, ByteDance's mission is to inspire creativity and enrich life. With a suite of more than a dozen products, including TikTok, Lemon8, CapCut and Pico as well as platforms specific to the China market, including Toutiao, Douyin, and Xigua, ByteDance has made it easier and more fun for people to connect with, consume, and create content.