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Machine Learning Engineer (Recommendation), TikTok e-Commerce

Tiktok Pte. Ltd.
2-5 years
120000 - 240000 SGD

Job Description

TikTok is the leading destination for short-form mobile video. Our mission is to inspire creativity and bring joy. TikTok has global offices including Los Angeles, New York, London, Paris, Berlin, Dubai, Mumbai, Singapore, Jakarta, Seoul and Tokyo.

About our team

We are a group of applied machine learning engineers and data scientists that focus on e-Commerce recommendations. We are developing innovative algorithms and techniques to improve user engagements and satisfaction, converting creative ideas into business-impacting solutions. We are interested and excited in applying large scale machine learning to solve various real-world problems in e-Commerce.


1. Participate in building large-scale (10 million to 100 million) e-Commerce recommendation algorithms and systems, including commodity recommendations, live stream recommendations, short video recommendations etc in TikTok.

2. Build long and short term user interest models, analyze and extract relevant information from large amounts of various data and design algorithms to explore users latent interests efficiently.

3. Design, develop, evaluate and iterate on predictive models for candidate generation and ranking (e.g. Click Through Rate and Conversion Rate prediction), including but not limited to building real-time data pipelines, feature engineering, model optimization and innovation.

4. Design and build supporting/debugging tools as needed.


1. Bachelor's degree or higher in Computer Science or related fields.

2. Strong programming and problem-solving ability.

3. Experience in applied machine learning, familiar with one or more of the algorithms such as Collaborative Filtering, Matrix Factorization, Factorization Machines, Word2vec, Logistic Regression, Gradient Boosting Trees, Deep Neural Networks, Wide and Deep etc.

4. Experience in Deep Learning Tools such as Tensorflow/Pytorch.

5. Experience with at least one programming language like C++/Python or equivalent.

Preferred Qualifications

1. Experience in recommendation system, online advertising, information retrieval, natural language processing, machine learning, large-scale data mining, or related fields.

2. Publications at KDD, NEURIPS, WWW, SIGIR, WSDM, ICML, IJCAI, AAAI, RECSYS and related conferences/journals, or experience in data mining/machine learning competitions such as Kaggle/KDD-cup etc.

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