Kazuma Ohata

Key Skills

Software

AWS SageMaker

Appen

Clickworker

OneForma

Telus

Other

Top Subject Matter

LLM evaluation in Japanse

Image Search classifications

Text evaluations

Top Data Types

Text

Image

Top Label Types

Classification

Text Generation

Prompt Response Writing SFT

Evaluation Rating

Bounding Box

Freelancer Overview

I have extensive experience in operations management, quality control, and process optimization across logistics, supply chain, and healthcare domains. My background includes managing and validating large-scale data sets, ensuring accuracy in medical reporting for COVID-19 vaccination programs, and coordinating with diverse teams to maintain strict compliance and data integrity. I am highly skilled in analyzing, organizing, and verifying complex information, collaborating with stakeholders to deliver high-quality results, and implementing efficient workflows. My hands-on experience with inventory and data tracking systems, along with a strong attention to detail and a commitment to accuracy, make me well-suited for data labeling and AI training data roles, particularly in medical, retail, and logistics applications.

Labeling Experience

Bounding Box

OtherImageBounding Box

Annotation of an image and drawing bounding boxes around each word, transcribing it, and marking overlaid/scene text; grouping word annotations into lines based on physical position, orientation, and semantic consistency, indicating if the line is overlaid/scene text; grouping lines into meaningful semantic paragraphs, specifying if the paragraph is overlaid/scene text.

Annotation of an image and drawing bounding boxes around each word, transcribing it, and marking overlaid/scene text; grouping word annotations into lines based on physical position, orientation, and semantic consistency, indicating if the line is overlaid/scene text; grouping lines into meaningful semantic paragraphs, specifying if the paragraph is overlaid/scene text.

2025 - 2025

LLM Annotator

OtherTextEvaluation Rating

Evaluate A & B responses based on dimensions and write comments for how it needs to be improved.

Evaluate A & B responses based on dimensions and write comments for how it needs to be improved.

2025 - 2025

LLM Annotator

AppenTextEvaluation RatingPrompt Response Writing SFT

Creating prompts, evaluating responses and writing comments to improve quality of response by Chatbot.

Creating prompts, evaluating responses and writing comments to improve quality of response by Chatbot.

2024 - 2024

Annotations for texts and prompt+response writing/evaluation

TelusTextClassificationText Generation

The project started to improve results generated by LLM with types of tasks such as Side-by-Side Response ratings and text evaluations.

The project started to improve results generated by LLM with types of tasks such as Side-by-Side Response ratings and text evaluations.

2023 - 2023

Education

Work History