Machine Learning Engineer - Business Integrity

About the Team

The Business Integrity team is dedicated to delivering reliable and high-performance platforms with a strong user focus. The team aims to meet user needs through technical excellence and is expanding capabilities in scalable machine learning models to support TikTok’s rapid global growth. The goal is to develop a next-generation content understanding system that enhances monetization by rewarding quality user experiences and advertiser value.

Responsibilities

• Develop and support cutting-edge large-scale content understanding projects.
• Engage in advanced research and practical application of AIGC models.
• Collaborate closely with product and business teams to shape product vision and strategy.

Qualifications

Required:

• Master’s or Ph.D. in Computer Science, Computer Engineering, or a closely related field.
• Strong foundation in machine learning with expertise in technologies such as large language models (MLLM/LLM), computer vision (CV), natural language processing (NLP), multimodal systems, and intelligent agents.
• Proficient in deep learning frameworks like PyTorch and TensorFlow, experienced with large-scale model training and deployment, and skilled in Python and C++ programming.
• Experience with multimodal model applications including content understanding, content integrity, advertisement understanding, product understanding, tagging systems, and related areas.
• Ability to think analytically and develop clear, concise problem-solving strategies.

Preferred:

• Background in ad systems, recommendation algorithms, search, ranking, or similar domains.
• Research contributions as first author in major conferences or journals such as CVPR, ICCV, ECCV, TPAMI, IJCV, ICML, NeurIPS, ICLR, ACL, EMNLP, or NAACL.

About TikTok

TikTok is a global leader in short-form mobile video, with a mission to encourage creativity and bring joy. Headquartered in Los Angeles and Singapore, TikTok also operates offices worldwide including New York City, London, Dublin, Paris, Berlin, Dubai, Jakarta, Seoul, and Tokyo.

Why Work With Us

At TikTok, inspiring creativity is fundamental. Our globally diverse teams collaborate to foster authentic self-expression, discovery, and connection. We pursue curiosity, humility, and impactful innovation while embracing challenges with resilience and an "Always Day 1" mindset. Joining TikTok means contributing to a rapidly growing technology platform that pushes boundaries and creates meaningful breakthroughs for communities worldwide.

Diversity & Inclusion

TikTok is devoted to building an inclusive workplace that values employees' unique skills and experiences. The company strives to reflect the diverse global communities it serves by fostering a welcoming and supportive environment for all voices.