Tech Annotator - Japanese - Paris

Work location: on-site, Paris (France)

Engagement model: Temporary Employment (3 months, with possible extension)

Workload: 25 hours/week

Project start: July 2026

Languages required: Japanese and English

DataForce by TransPerfect is seeking a detail-oriented and linguistically skilled professional to design and evaluate user prompts for AI language models. The primary focus of this role is to create high-quality prompts, define grading criteria, and review model outputs to ensure accuracy, relevance, and adherence to guidelines. You will critically assess model generations, identify failure cases, and provide clear,
well-justified feedback to improve system performance.

Key Responsibilities:

• Develop user prompts and establish robust evaluation criteria for AI model testing.
• Review and rate model responses, ensuring compliance with project guidelines and quality standards.
• Investigate and document failure cases, providing actionable insights for improvement.
• Communicate observations, feedback, and rating justifications effectively to stakeholders.
• Apply guidelines rigorously to maintain excellent data quality.

Additional Responsibilities (as needed):

• Identify and source Japanese-language audio content (e.g., podcasts, videos) from online platforms.
• Transcribe Japanese audio recordings to create high-quality datasets for language model training.
• Annotate and label audio and text data according to project specifications.
• Evaluate the performance of Speech Recognition and Text-to-Speech systems.
• Curate and maintain golden datasets for model development.
• Operate robotic equipment to perform a variety of tasks and/or record and annotate video sessions of robotic equipment usage.

• Idiomatic fluency in Japanese
• Writing skills in Japanese required
• Advanced level of English
• Be in Paris (onsite position)
• Strong attention to detail and critical thinking skills.
• Basic programming knowledge and ability to review code is a plus
• Rigorous, analytical, and methodical approach
• Efficient execution of assigned tasks and resilience to dynamic working environment
• Familiarity with AI language models and evaluation processes is a plus.
• Experience or strong interest in physical teleoperations, particularly robotics machine manipulation, is a plus.

DataForce by TransPerfect is part of the TransPerfect family of companies, the world’s largest provider of language and technology solutions for global business, with offices in more than 100 cities worldwide.

We offer high-quality data for Human-Machine Interaction to some of the most prestigious technology companies in the world. Our department focuses on gathering, enriching and processing data for Machine Learning in different AI domains.