Machine Learning Engineer (User Growth & Intelligent Marketing) - Global e-Commerce

TIKTOK PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

TikTok PTE. LTD. in Singapore is seeking a Senior Software Engineer to advance e-commerce growth algorithms and data‑driven marketing.

You will contribute to personalized recommendations, improve recall/sorting for new users, and apply uplift modelling to boost engagement, conversion, and GMV. We expect a strong background in algorithms and data structures, fluent coding in C++ and Python, plus hands-on experience with Big Data tools (Hive/Spark/MapReduce) and Deep Learning frameworks

Qualifications

• Bachelor's degree or higher in Computer Science, Computer Engineering, Mathematics or related technical discipline.
• Experience in C++ and Python; at least one of the Big Data tools (Hive SQL/Spark/MapReduce) and at least one of the Deep Learning tools (TensorFlow/PyTorch).
• Strong foundation in algorithms and data structures, with excellent coding skills.
• Strong learning ability, curiosity, and good communication and teamwork skills.
• At least 3 years of relevant experience in user growth or intelligent marketing.

Responsibilities

• Participate in optimizing TikTok e-commerce growth and marketing algorithms, including core capabilities such as user value modelling, personalized messaging, recommendations, and intelligent marketing.
• Establish a user lifecycle data and value system to address core pain points and business challenges related to TikTok Mall user growth.
• Contribute to the implementation of product and technical solutions for user growth engines, such as personalized push notifications/emails, recommendation handling, etc., to increase e-commerce DAU and penetration rates.
• Optimize algorithms related to recall/sorting for new user recommendations, improving the relevance of traffic source handling and the accuracy and diversity of new user recommendations.
• Optimize intelligent marketing algorithms, utilizing uplift models and operations research methods to improve marketing efficiency and drive e-commerce GMV growth.

Skills

Algorithms

Data structures

Strong communication

Education

Bachelor's degree or higher in Computer Science/Engineering/Math or related technical discipline

Tools

C++

Python

Big Data (Hive/Spark/MapReduce)

Deep Learning (TensorFlow/PyTorch)

Job description

About the Team

The TikTok E-commerce Recommendation and Marketing Algorithm team is responsible for algorithm and big data work on e-commerce innovation projects. Leveraging on our products, the team helps users discover and acquire great products, enriching their lives. In this team, we not only use recommendation and search algorithms to help users find items they are interested in but also employ risk control algorithms and intelligent platform governance algorithms to detect violations, ensuring a secure shopping experience. We build intelligent customer service technologies and large-scale product knowledge graphs to improve the efficiency of various transaction processes. Furthermore, we develop logistics and operations research algorithms to enhance supply chain efficiency, and we apply artificial intelligence to help merchants improve their operational capabilities. Our mission: To make high-quality products easily accessible, enabling everyone to enjoy a better life.

Responsibilities

• Participate in optimizing TikTok e-commerce growth and marketing algorithms, including core capabilities such as user value modelling, personalized messaging, recommendations, and intelligent marketing.
• Establish a user lifecycle data and value system to address core pain points and business challenges related to TikTok Mall user growth.
• Contribute to the implementation of product and technical solutions for user growth engines, such as personalized push notifications/emails, recommendation handling, etc., to increase e-commerce DAU and penetration rates.
• Optimize algorithms related to recall/sorting for new user recommendations, improving the relevance of traffic source handling and the accuracy and diversity of new user recommendations.
• Optimize intelligent marketing algorithms, utilizing uplift models and operations research methods to improve marketing efficiency and drive e-commerce GMV growth.

Minimum Qualifications

• Bachelor's degree or higher in Computer Science, Computer Engineering, Mathematics or related technical discipline.
• Experience in C++ and Python; at least one of the Big Data tools (For eg. Hive sql/Spark/Mapreduce; at least one of the Deep Learning tools(For eg. Tensorflow/Pytorch).
• Strong foundation in algorithms and data structures, with excellent coding skills.
• Strong learning ability, curiosity, and good communication and teamwork skills.
• At least 3 years of relevant experience in user growth or intelligent marketing.

Preferred Qualifications

• Candidates who have published papers in top AI conferences/journals or achieved notable results in ACM/Machine Learning competitions
• Experience in recommendation systems, advertising, user growth, intelligent marketing, or related fields, with expertise in LTV estimation, uplift modelling, operations research, sequence modelling, or multi-scenario modelling optimization is a plus.