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TikTok

Short-form video platform with ads

Machine Learning Engineer Graduate

Applied Machine LearningConfirmed live in the last 24 hours
Full-timeSeattle, WA, USAIn-person

About the Job

Requirements

  • Complete or have recently completed a Bachelor's degree in artificial intelligence, computer science, operations research, automation, statistics, mathematics, or a related discipline.
  • Be proficient in machine learning and statistics, understand common machine learning and deep learning algorithms for classification, regression, and clustering, and have practical application experience.
  • Be proficient in programming languages such as Python or Java, have strong coding ability, and be familiar with at least one common machine learning or deep learning framework such as TensorFlow or PyTorch.
  • Demonstrate data analysis capabilities, initiative, teamwork, and communication skills.

Responsibilities

  • Develop deep learning and operations research models and related intelligent systems for global e-commerce supply chain and logistics.
  • Use e-commerce data and deep learning models to predict end-to-end estimated time of arrival and logistics events such as failed delivery and delivered-but-not-received; build logistics network knowledge graphs; predict package spatio-temporal trajectories using deep learning, statistical inference, and other algorithmic methods; and apply natural language processing and large language model algorithms to address verification and suggestion.
  • Apply time-series forecasting to predict sales across granularities and horizons, including warehouse-level manpower and inventory-level demand; identify important factors and model relationships between future and historical data.
  • Develop merchant and creator growth algorithms, including potential merchant and creator mining, tiering, outreach, and growth algorithms, and work with related operations and product teams to support growth.
  • Use e-commerce data mining and machine learning to predict product performance in traffic and conversion, improve product-operation and pricing/subsidy strategies, and help optimize traffic distribution for product growth and cost optimization.

Desired Qualifications

  • Complete or have recently completed a Master's degree in software development, computer science, computer engineering, or a related discipline.
  • Hands-on experience with coding agents, long-horizon agents, computer-use agents, agent harnesses, workflow orchestration, or automated evaluation frameworks.
  • Experience with large language model post-training, including supervised fine-tuning, direct preference optimization, proximal policy optimization, group relative policy optimization, reinforcement learning from human feedback, reinforcement learning from AI feedback, reward modeling, counterfactual data, or evidence-driven decision training.
  • Experience building benchmarks from real production questions, including taxonomy design, golden-answer construction, error attribution, and regression evaluation.
  • Experience with logistics, e-commerce, operations research, data platforms, knowledge graphs, or enterprise knowledge management systems.
  • Published papers or strong open-source work in large language models, agents, natural language processing, data mining, machine learning systems, evaluation, or AI engineering.

About the Company

TikTok

Short-form video platform with ads

TikTok is a short-form mobile video platform that lets people create, discover, and share quick videos. Users upload vertical clips, edit them with built-in tools, and browse a personalized feed powered by an algorithm that highlights relevant content. Advertisers can use in-feed ads, branded hashtags, and the Business Center to plan and measure campaigns, making it easy for brands to reach a global audience. Its goal is to inspire creativity and bring joy by helping people express themselves and by connecting brands with a wide audience.

Company size
10,001+
Company stage
Grant
Total funding
$740K
Headquarters
Santa Monica, CA
Founded
2016

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