Senior Machine Learning Engineer - TikTok Search Algorithm (Ranking, Relevance, Understanding, User Engagement)

On the TikTok Search Team, you will have the opportunity to develop and apply cutting edge machine learning technologies in real-time large-scale systems, which serve billions of search requests every day. Via advanced NLP and multi-modal models, our projects impact and improve the search experience for hundreds of millions of users globally. We embrace a culture of self-direction, intellectual curiosity, openness, and problem-solving.

Responsibilities
• Optimize the searching quality to provide TikTok's users the best search experience
• Combine your understanding of product objectives and take full advantage of modern machine learning and information retrieval techniques to improve search quality and perception
• Build the core systems and algorithms development including query understanding, result ranking, query recommendation, system reliability, and etc.
• Provide technical leadership to drive search strategy iteration including query understanding, recall & ranking, query recommendation, reliability, etc.
• Provide team guidance, regular feedback, education, coaching and mentoring.

Minimum Qualifications
• Bachelor or advanced degree in computer science or a related technical discipline
• Proficient coding skills and strong algorithm & data structure basis
• Experience in one or more of the following areas: NLP, Ranking, Ads, search engine, recommender system, distributed system, and machine learning
• Effective communication and teamwork skills.

Preferred Qualifications
• 5+ years of related industry experience
• Experience as tech lead or leading complex and large projects
• Proficiency in the following languages but not limited to: C/C++, Python, Java or Golang