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Data Understanding Specialist - Data Cycling Center - German Speaking (Fixed-term Contract)

Lisbon, Portugal💼 Contract🗓 2026-09-28

Core

Bridge between machine learning engineers and labelers to ensure accurate application of structure to unstructured data (video, images, text) for TikTok's advertising safety and content understanding.

Role type

Data Understanding Specialist (Data Cycling Center)

Builds

Data labeling templates, SOPs, Golden Data Sets, and training materials for content moderation projects.

Domain

Social media advertising, content safety, data operations

Deliverable

production ML models

Required skills

German (fluent), English (fluent), data interpretation, AI/ML concepts, project management, training delivery, process optimization

Preferred skills

SQL, Python, R

Responsibilities

Create and manage data queues (Live, Practice, Test, 2RQA), maintain Golden Data Sets, train labelers on SOPs, monitor project quality against KPIs, and optimize operational processes.

Seniority

Junior to Mid-level, hands-on IC

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