ML Engineer, E‑Commerce Growth & Personalization

TikTok; Seattle (WA); On-site; USD 154,000 - 301,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with company match

Parental leave

Paid time off

Job summary

TikTok is seeking a PhD-qualified researcher to join the e-Commerce Recommendation and Marketing Algorithm team. You will work on recommendations, personalization, and intelligent marketing to drive growth and improve user experiences across the TikTok Mall ecosystem.

You will collaborate with cross-functional teams, leverage big data and deep learning tools (e.g., TensorFlow, PyTorch), publish results when appropriate, and contribute to scalable solutions for user growth, recall, and ranking.

Qualifications

• PhD in CS/EE or related field with experience in C++ and Python.
• Proficiency in at least one Big Data tool and at least one DL tool.
• Strong foundation in algorithms and data structures with excellent coding skills.
• Strong learning ability, curiosity, and good communication and teamwork skills.

Responsibilities

• Participate in optimizing TikTok e-Commerce growth and marketing algorithms, including core capabilities such as user value modelling, personalized messaging, recommendations, and intelligent marketing.
• Establish a user lifecycle data and value system to address core pain points and business challenges related to TikTok Mall user growth.
• Contribute to the implementation of product and technical solutions for user growth engines, such as personalized push notifications/emails, recommendation handling, etc., to increase e-Commerce DAU and penetration rates.
• Optimize algorithms related to recall/sorting for new user recommendations, improving the relevance of traffic source handling and the accuracy and diversity of new user recommendations.
• Optimize intelligent marketing algorithms, utilizing uplift models and operations research methods to improve marketing efficiency and drive e-Commerce GMV growth.

Skills

C++

Python

Algorithms & DS

Coding skills

Big Data tools

DL tools

Education

PhD in CS/EE or related

Tools

Hive SQL

Spark

MapReduce

TensorFlow

PyTorch

Job description

TikTok is seeking a PhD-qualified researcher to join the e-Commerce Recommendation and Marketing Algorithm team. You will work on recommendations, personalization, and intelligent marketing to drive growth and improve user experiences across the TikTok Mall ecosystem.

You will collaborate with cross-functional teams, leverage big data and deep learning tools (e.g., TensorFlow, PyTorch), publish results when appropriate, and contribute to scalable solutions for user growth, recall, and ranking.