Data Engineer – Ad Data

About the role

As a Data Engineer on the Ad Data team, you will help power the data foundation behind millions of advertising decisions on TikTok. You will own the technical vision for advanced ad‑data products, building and maintaining large‑scale, reliable data pipelines.

Key responsibilities

• Collaborate with product managers and operations to design data‑related products.
• Communicate with engineers, product managers and analysts to capture data requirements.
• Own data quality and define SLAs for assigned data sets.
• Design, build, and launch new ETL processes in production.
• Support and troubleshoot existing streaming and batch systems, handling on‑call incidents.
• Work with data infrastructure teams to triage and resolve infra issues.

Required profile

• Bachelor’s degree in Computer Science, Mathematics or a related technical field.
• At least 2 years of experience in data warehousing, schema design and dimensional modeling.
• Minimum 2 years of hands‑on experience building custom ETL pipelines.
• Experience with big‑data technologies (Hadoop, Hive, Spark) and strong SQL skills.
• Proficiency in Python and familiarity with AI tools for productivity.
• Excellent communication skills to convey data‑driven insights.

Required skills

• Python
• SQL
• Hadoop
• Hive
• Spark
• ETL design and implementation
• Schema design
• Dimensional data modeling
• Data warehousing
• Big data technologies