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TikTok

Short-form video platform with ads

Machine Learning Engineer Graduate - Ads Targeting

Applied Machine LearningConfirmed live in the last 24 hours
Full-timeSan Jose, CA, USAIn-person

About the Job

Requirements

  • Individuals must be completing or have recently completed a Bachelor's or Master's degree in Computer Science, Mathematics, Statistics, or a related discipline.
  • Strong coding skills in Python are required; C++ or Go is a plus.
  • Solid fundamentals in machine learning, deep learning, and large language models, including logistic regression, gradient-boosted decision trees, deep neural networks, evaluation, regularization, and tuning.
  • Comfort with SQL and Pandas is required; Spark, Flink, or Hive is a plus.
  • Candidates should be passionate about advertising, recommender systems, or growth, and willing to learn business metrics.

Responsibilities

  • Contribute to core advertising targeting algorithms, including user interest and intent representation, embeddings, sequential behavior modeling, and feature engineering.
  • Contribute to lookalike modeling, including seed audience expansion, similarity learning, retrieval and ranking strategies, and cold-start handling.
  • Contribute to automatic targeting selection and expansion, explore-exploit strategies, and multi-objective optimization across performance, cost, and reach.
  • Support offline training and evaluation pipelines, including sampling, feature building, training, metrics, and visualization.
  • Assist with online A/B testing and analysis, track key performance indicators including click-through rate, conversion rate, cost per acquisition, and return on ad spend, and troubleshoot issues.
  • Collaborate with product, data, and engineering teams to productionize models in the advertising delivery stack, including retrieval, prediction, bidding and budget constraints, and delivery strategies.

Desired Qualifications

  • Experience in advertising targeting, recommender systems, search, retrieval and ranking, representation learning, causal methods, or experimentation.
  • Hands-on experience with PyTorch or TensorFlow and familiarity with production inference.
  • Experience with large-scale data processing, feature platforms, or approximate nearest neighbor vector search.

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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