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Willa Sulastika

@willasulastika

AI Tutor and DataAnnotation Specialist who annotates text, images, audio, and video to support AI model training.

I annotate images, text, music, and documents for DataAnnotation projects, using CVAT, LabelImg, and client-specific platforms. I create bounding boxes, tags, and classifications, then check the data for accuracy and consistency.

As an AI Tutor, I train AI models through supervised learning and RLHF, draft conversation scenarios, and give feedback on model responses. I also annotate conversation data and develop an evaluation module for accuracy, relevance, and empathy.

Experience

Work history, roles, and key accomplishments

DataAnnotation Specialist

Freelance

Performed labeling and annotation of images, text, music, and documents according to project guidelines. Ensured annotation accuracy and consistency with an error rate below 2%.

CVAT LabelImg Data Annotation Quality Assurance Data Classification

Data Entry Specialist

Remote

Input, validate, and manage large datasets with high accuracy. Prepared structured reports using Excel and Google Sheets.

Data Entry Excel Google Sheets Data Validation Reporting

AI Tutor

Remote

Trained an AI model to communicate naturally with users through supervised learning and reinforcement learning from human feedback. Drafted conversation scenarios and provided feedback on AI output to improve consistency and contextual appropriateness.

Supervised Learning RLHF Data Annotation AI Training Evaluation