Machine Learning Engineer Graduate (Search E-Commerce) - 2025 Start (PhD)

$137,750 - $237,500/Yr

Tiktok - Seattle, WA

Full-time - Entry Level

Seattle, WA

Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

About the position

The position is focused on enhancing TikTok's e-commerce search capabilities through advanced machine learning and multi-modal technologies. The role involves improving user experience, optimizing search algorithms, and contributing to the overall shopping experience on the platform. The ideal candidate will work on designing and implementing ranking systems and addressing challenges in the e-commerce ecosystem to drive growth and efficiency.

Responsibilities

• Improve the basic search quality and user experience by optimizing query analysis and text relevance matching.
• Understand e-commerce video content and implement multi-modal matching to enhance product authority perception.
• Comprehensively improve the end-to-end shopping experience from browsing to after-sales.
• Design and implement the end-to-end ranking system, including recall, first stage ranking, final stage ranking, and mixed row.
• Improve users' personalized shopping interests model to enhance shopping conversion efficiency for merchandise, video, and live stream.
• Promote the robust development of the ecosystem by solving supply and demand matching, business cold start, and sustainable business growth challenges.
• Analyze and adjust the evolution of the system to achieve long-term and sustainable growth of GMV.

Requirements

• PhD in Computer Science, Machine Learning, Artificial Intelligence, Statistics, or a related field.
• Final year or recent graduate with a background in Software Development, Computer Science, Computer Engineering, or a related technical discipline.
• Familiarity with recommendation systems, machine learning, deep learning, data mining, computer vision, NLP, or multimodal machine learning.
• Strong proficiency in Python and/or C/C++, and familiarity with a machine learning framework.
• Solid knowledge of data structures and algorithms.
• Excellent analytical, modeling, and problem-solving skills.

Nice-to-haves

• Publication records in top journals or conferences.
• Experience winning ACM-ICPC medals.

Benefits

• 100% premium coverage for employee medical insurance, approximately 75% for dependents, and a Health Savings Account (HSA) with a company match.
• Dental, Vision, Short/Long term Disability, Basic Life, Voluntary Life, and AD&D insurance plans.
• Flexible Spending Account (FSA) options for healthcare and dependent care.
• 10 paid holidays per year plus 17 days of Paid Personal Time Off (PPTO) and 10 paid sick days per year.
• 12 weeks of paid Parental leave and 8 weeks of paid Supplemental Disability.
• Mental and emotional health benefits through EAP and Lyra.
• 401K company match, gym and cellphone service reimbursements.