Data Engineer – AI Data Platform, Annotation & Data Management

This is a fully remote position, open to applicants in Japan.

📋 Description

• Create annotation standards and workflows for training and evaluation datasets.

• Oversee annotation operations and ensure data quality.

• Develop, tailor, and manage annotation tools.

• Gather data from customer datasets, public resources, and other pertinent sources.

• Construct, organize, and uphold datasets for AI model development.

• Evaluate model outputs and analysis results to identify initial accuracy or data quality concerns.

• Offer feedback to engineers and researchers based on data and model evaluations.

• Design, develop, and manage data pipelines that encompass data collection, preprocessing, and storage.

• Administer metadata across datasets and data pipelines.

• Ensure compliance with data security and personal information protection regulations.

• Work closely with engineers and AI researchers to enhance data quality and model performance.

⛳️ Requirements

• Proven experience in designing and managing data collection, preparation, or annotation workflows.

• Basic proficiency in data processing and data pipeline development using SQL, Python, or similar technologies.

• Capability to consistently manage and maintain high-quality datasets.

• Regular use of AI coding tools such as GitHub Copilot, Cursor, Claude Code, or similar tools in daily development.

• Business-level or higher proficiency in Japanese communication, including the ability to discuss technical development topics in Japanese.

• Must reside and work in Japan.

• Preferred: Experience in developing or customizing annotation tools, including web application development.

• Preferred: Experience in building datasets or designing evaluation processes for Machine Learning projects.

• Preferred: Experience in creating data platforms on AWS, GCP, or Azure.

• Preferred: Experience in annotating images, drawings, documents, or other forms of unstructured data.

🏝️ Benefits

• Salary review conducted biannually.

• Primarily remote work.

• Work from any location within Japan, regardless of region.

• Flexible working hours system.

• 123 annual holidays.

• Five-day workweek (with Saturdays, Sundays, and national holidays off).

• Year-end and New Year holidays.

• Paid annual leave.

• Maternity leave.

• Childcare leave.

• Comprehensive social insurance coverage.

• Corporate defined contribution pension plan.

• Up to ¥240,000 annually for professional development and AI-related activities.

• Coverage for transportation expenses.

• Regular health checkups.

• Influenza vaccinations provided.

• Company-provided PC.

• Five-day onboarding program following employment.