Lead Machine Learning Engineer - User Growth - Recommendation - Singapore

Singapore Until 8/21/2026 4+ years exp H-1B sponsor history First posted March 29, 2026 Last posted March 29, 2026
Job description

Description

About the Team
The TikTok User Growth (UG) algorithm team is the core engine propelling the rapid growth of TikTok. Facing real-world challenges in manifold scenarios, the team skillfully leverages machine learning techniques on massive data to forge efficient growth pathways.
In close collaboration with product teams, we are responsible for personalized recommendation algorithms for TikTok's hundreds of millions of global users. We are looking for strong research scientists, who are excited about growing their business understanding, building scalable and high-performance algorithms, large models and recommendation systems.

Responsibilities
- Develop large-scale machine learning algorithms and build industry leading recommendation systems to optimize user retention rates.
- Data-driven: connect data to real-world user experiences using superior data sensitivity and analytical skills.
- Using deep understanding of systems and scenarios, deliver end-to-end solutions to achieve the growth targets in diverse scenarios and recommendation systems.
- Work cross-functionally with product managers, data scientists, and engineers to understand insights, formulate problems, and design, refine, and test machine learning algorithms and strategies.

Requirements

Minimum Qualifications
- Master's degree (or higher) with a background in computer science, machine learning, or related fields.
- Experienced in leading projects and collaborating with teams across different timezones;
- Minimum 4 years hands-on experience in one or more of the following areas: recommendation systems, machine learning, deep learning, large language model, computer vision, NLP, causal inference or multimodal machine learning.
- Strong proficiency in Python and/or C/C++, and familiarity with a machine learning framework. Have a deep understanding of data structures and algorithms.
- Good communication and teamwork skills are required. Applicants must be passionate about learning new techniques and tackling challenging problems.

About this role

Summary

Develop scalable recommendation algorithms to optimize user growth for TikTok.

Job title

Lead Machine Learning Engineer - User Growth - Recommendation

Experience level

4+ years

Minimum experience

4+ years exp

Industry

software

Location requirements

Singapore-based, remote work not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

PythonC/C++machine learning frameworkdata structuresalgorithms

Preferred skills

None specified

Specializations

recommendation systemsmachine learningdeep learninglarge language modelNLP
Locations

Structured locations inferred from the posting.

Singapore

Work arrangement unknown City