Data Engineer (Annotation Platform and Data Management)

Stockmark

Data Eng

TypeScript

Python

About this role

This Data Engineer role supports structured development for general documents and drawings by improving the data foundation used by development teams. The work covers organizing, collecting, annotating, and analyzing training and evaluation data, with the aim of supporting development productivity and model accuracy.

Responsibilities include designing annotation standards, planning and operating annotation workflows, and managing annotation quality. The role also involves creating and operating annotation tools, either by introducing and customizing existing tools or by developing tools internally for the company’s specific tasks. Other duties include collecting customer and publicly available data, building and maintaining datasets, checking model analysis results and outputs, initially isolating accuracy issues, and feeding findings back to engineers.

The engineer designs, develops, and operates data pipelines covering collection, preprocessing, and storage. The role also includes metadata management and responses related to security and the protection of personal information. The stated development environment includes TypeScript, Vue.js, Node.js, and Python, with Docker for containers, Terraform for infrastructure as code, and AWS and Azure for cloud services.

The position is part of the SAT Division, which has 20 business-side members and 30 technology-side members. SAT is described as a platform for implementing business AI, and the work supports structured development involving the company’s internally developed LLM and VLM models. No specific education requirement or years-of-experience threshold is stated in the posting.

The stated work location is the headquarters or a home or other location where remote work is possible, with no change to the stated scope. The work is basically fully remote, and residence must be within Japan; fully remote work while living overseas is not allowed. People living within the company’s designated commuting area, described as 一都三県, may freely choose between remote work and attending the headquarters without a frequency limit. Residents elsewhere in Japan may freely attend the headquarters once a month outside work-related requirements.

This is an AI-generated summary of the employer's original posting — details can be incomplete, out of date or simply wrong. Always confirm everything on the official posting before applying.