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TikTok

Short-form video platform with ads

Machine Learning Engineer - Data Mining, Ads Core

Data EngineeringConfirmed live in the last 24 hours
Full-timeSan Jose, CA, USAIn-person

About the Job

Requirements

  • A bachelor's degree or higher in Computer Science, Software Engineering, Data Engineering, or a related field.
  • At least 3 years of experience in data engineering or platform roles, with the ability to own critical pipelines end-to-end.
  • Strong SQL and data modeling skills, with hands-on experience using big data technologies such as Spark, Hive, Kafka, Flink, or Airflow.
  • Proficiency in Java, Scala, or Python, with solid engineering and performance-tuning skills.
  • Strong ownership of data governance, definitions, quality, and stability.

Responsibilities

  • Own foundational targeting data and platform capabilities with high availability, accuracy, freshness, and scalability, including targeting dimensions such as gender, age, geography, device, language, and network.
  • Develop audience and tagging systems, including definitions, hierarchies, refresh strategies, backfills, and cross-device unification.
  • Design and implement large-scale batch and stream pipelines for ingestion, extract-transform-load, aggregation, profile generation, tag updates, and external serving.
  • Build a reliable data quality framework covering validation, lineage, monitoring and alerting, service-level agreements, and automated backfill and repair.
  • Provide standardized capabilities for advertising delivery and strategy systems, including audience package generation and management, tag query services, a foundational targeting rule engine, access control, and auditing.
  • Collaborate with machine learning, product, and compliance teams to ensure stable production rollouts and iterative improvements in performance, reach, cost, and user experience.

Desired Qualifications

  • Experience with advertising or recommender data platforms, including user profiles, tagging, audience segmentation, data management platforms, or customer data platforms.
  • Experience with real-time profiles or low-latency serving at scale, including high queries per second, caching, and consistency.
  • Experience implementing privacy and compliance measures, including data minimization, anonymization, access control, and auditing.

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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