Data Engineer – AI Data Platform, Annotation & Data Management

🔥 17 hours ago

🇯🇵 Japan – Remote

💵 ¥7.5M - ¥15M / year

⏰ Full Time

🟡 Mid-level

🟠 Senior

⬇️ Data Entry

👻 Ghost score 0%

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GAIDOOR RECRUIT

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2018

💼 Consulting

📦 Logistics

📣 Marketing

Consulting • Logistics • Marketing

GAIDOOR RECRUIT is a Tokyo-based recruitment agency that provides tailored recruitment solutions for startups and large companies, both local and global. The agency specializes in connecting highly-skilled Japanese and foreign professionals with growth-oriented businesses, focusing on IT, consulting, and startup sectors. GAIDOOR RECRUIT fosters mutual success and development by carefully assessing candidates' skills and career visions to match them with suitable job opportunities.

📋 Description

• Design annotation standards and workflows for training and evaluation data • Manage annotation operations and data quality • Develop, customize, and operate annotation tools • Collect data from customer datasets, public sources, and other relevant sources • Build, organize, and maintain datasets for AI model development • Review model outputs and analysis results and identify initial accuracy or data-quality issues • Provide feedback to engineers and researchers based on data and model analysis • Design, develop, and operate data pipelines covering data collection, preprocessing, and storage • Manage metadata across datasets and data pipelines • Support data security and personal information protection requirements • Collaborate closely with engineers and AI researchers to continuously improve data quality and model performance

🎯 Requirements

• Experience designing and operating data collection, data preparation, or annotation workflows • Basic experience with data processing and data pipeline development using SQL, Python, or similar technologies • Ability to continuously manage and maintain high-quality datasets • Active use of AI coding tools such as GitHub Copilot, Cursor, Claude Code, or similar tools in daily development • Business-level or higher Japanese communication skills, including the ability to discuss technical development topics in Japanese • Ability to reside and work in Japan • Preferred: Experience developing or customizing annotation tools, including web application development • Preferred: Experience building datasets or designing evaluation processes for Machine Learning projects • Preferred: Experience building data platforms on AWS, GCP, or Azure • Preferred: Experience with annotation of images, drawings, documents, or other unstructured data

🏖️ Benefits

• Salary review twice a year • Primarily full remote • Work from anywhere within Japan regardless of region • Flex-time system • 123 annual holidays • Five-day workweek (Saturdays, Sundays, and national holidays off) • Year-end and New Year holidays • Paid annual leave • Maternity leave • Childcare leave • Full social insurance coverage • Corporate defined contribution pension plan • Up to ¥240,000 per year in financial support for professional development and AI-related activities • Transportation expenses • Regular health checkups • Influenza vaccinations • Company-provided PC • Five-day onboarding program after joining