Machine Learning Engineer Intern (Global E-Commerce, Platform Governance) - 2027 Start (PhD)

TikTok; Singapore; On-site; SGD 20,000 - 27,000; Part time

Job summary

TikTok invites PhD candidates to join an internship focused on using AI to detect risks and low-quality entities in our e-commerce platform. You will help model data for live streaming, products, merchants, and creators, building scalable ML systems and graph-based governance tools.

The program blends hands-on research with collaboration across teams, offering exposure to practical applications in a fast-growing tech company.

Qualifications

• Pursuing PhD in a technical field with strong research record.
• Strong coding skills and experience with ML frameworks (PyTorch/TensorFlow).
• Familiar with ML/graph learning algorithms with depth/breadth.
• Experience in AI-Agent projects, multi-agent work, or LLM-based apps is a plus.
• Industry ML foundations and practical research experience preferred.

Responsibilities

• Mine, identify, and predict risks and low-quality merchants/products/creators in e-commerce.
• Build data models to improve ecosystem and business operations.
• Develop data for entities like live streaming, products, merchants, and creators; build large-scale networks/sequence models.
• Develop graph storage/learning platforms to improve governance in e-commerce community.
• Research cutting-edge ML/graph/sequence learning technologies and apply in production.

Skills

PyTorch

TensorFlow

DGL

pyg

scikit-learn

Education

PhD candidate in CS/Software Dev

Tools

Hive

Spark

Hadoop

Job description

Discover a career that energizes and excites you every day.

@2026 TikTok

Technology

Location:

Employment Type:

Intern

Job Code:

A135661

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Responsibilities

About the TeamThe team use the most advanced AI technology to combat various risks/violations in our E-commerce platform, maintain platform security, build a good e-commerce ecosystem, and empower business teams to improve work efficiency. We pursue the ultimate risk detection capability. The fairness and sustainability of the e-commerce ecosystem, high-quality content and merchandise are areas where we are constantly striving for improvement.We are looking for talented individuals to join us for an internship. PhD internships at Our Company provide students with the opportunity to actively contribute to our products and research, as well as to the organization's future plans and emerging technologies.Our dynamic internship experience blends hands-on learning, enriching community-building and professional development events, and collaboration with industry experts.Applications will be reviewed on a rolling basis, so we encourage you to apply early. Please clearly state your availability in your resume (Start date, End date).Responsibilities1. Responsible for using algorithms to mine, identify, and predict risks and low-quality merchants, products, and creators in e-commerce scenarios, and assist businesses in managing and controlling them.2. Responsible for using algorithms to identify events and behaviors that affect product experience and efficiency, and building data models to help create a favorable ecosystem and support business operations.3. Participate in building data for various entities such as e-commerce live streaming/video, products, merchants, and creators, building large-scale network/feature sequence models to support business scenarios such as content understanding, multimodal representation, community mining, and solve problems related to products, live streaming, and video management, and provide support for them.4. Participate in building a large-scale graph storage and graph learning platform to improve relationship building and governance within the e-commerce community.5. Explore and research cutting-edge technologies in machine learning/graph learning/sequence learning and related fields, implement these technologies in practical business scenarios, and support the production of scalable and optimised machine learning models.

Qualifications

Minimum Qualifications1. Currently Pursuing a PhD in Software Development, Computer Science, Computer Engineering, or a related technical discipline.2. Solid coding skills, familiar with deep learning/graph neural network/machine learning frameworks such as PyTorch, TensorFlow, DGL, pyg, sklearn, etc.3. Familiar with one or more algorithms in machine learning/graph learning/sequence learning, such as graph modeling, timing signal modeling, node/subgraph classification, community mining, representation learning, self-supervised/semi-supervised learning, with a certain depth and breadth.4. Experience building or contributing to AI-Agent projects, including agent workflow design, tool/function calling, multi-agent collaboration, or LLM-based application development.5. Relevant industry experience with solid theoretical foundation of machine learning.Preferred Qualifications1. Good sense of teamwork and communication skills, practical experience in relevant business scenarios is preferred.2. Published papers in high-level computer science conferences (ACL, EMNLP, NIPS, AAAI, etc.) or have competition experience are preferred.3. Familiar with the application of related algorithms in data mining, search recommendation, content understanding, and governance risk control preferred.4. Skilled in numpy and pandas for modeling experiments, familiar with big data tools such as Hive, Spark, Hadoop preferred.

Job Information

About TikTok

TikTok is the leading destination for short-form mobile video. At TikTok, our mission is to inspire creativity and bring joy. TikTok's global headquarters are in Los Angeles and Singapore, and we also have offices in New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Join Us

Inspiring creativity is at the core of TikTok's mission. Our innovative product is built to help people authentically express themselves, discover and connect – and our global, diverse teams make that possible. Together, we create value for our communities, inspire creativity and bring joy - a mission we work towards every day.

We strive to do great things with great people. We lead with curiosity, humility, and a desire to make impact in a rapidly growing tech company. Every challenge is an opportunity to learn and innovate as one team. We're resilient and embrace challenges as they come. By constantly iterating and fostering an "Always Day 1" mindset, we achieve meaningful breakthroughs for ourselves, our company, and our users. When we create and grow together, the possibilities are limitless. Join us.

Diversity & Inclusion

TikTok is committed to creating an inclusive space where employees are valued for their skills, experiences, and unique perspectives. Our platform connects people from across the globe and so does our workplace. At TikTok, our mission is to inspire creativity and bring joy. To achieve that goal, we are committed to celebrating our diverse voices and to creating an environment that reflects the many communities we reach. We are passionate about this and hope you are too.