Data Engineer

BJAK

full-time

Posted on: 8/29/2025

Location: 🇺🇸 United States

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Mid-LevelSenior

PythonSQL

About the role

Collect, clean, and preprocess user-generated text and image data for fine-tuning large models
Design and manage scalable data labeling pipelines, leveraging both crowdsourcing and in-house labeling teams
Build and maintain automated datasets for content moderation (e.g., safe vs unsafe content)
Collaborate with researchers and engineers to ensure datasets are high-quality, diverse, and aligned with model training needs

Proven experience preparing datasets for machine learning or fine-tuning large models
Strong skills in data cleaning, preprocessing, and transformation for both text and image data
Hands-on experience with data labeling workflows and quality assurance for labeled data
Familiarity with building and maintaining moderation datasets (safety, compliance, and filtering)
Proficiency in scripting (Python, SQL) and working with large-scale data pipelines