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xandrooooss

Alexandro Putra

@xandrooooss

Data Labeling Specialist

Indonesia
Indonesian
About me
I am a data labeling specialist with hands-on experience labeling over 10,000 Indonesian text reviews using structured Standard Operating Procedures (SOP). I specialize in emotion classification, sentiment analysis, and text annotation for AI and machine learning projects. All labeling work is delivered in Microsoft Excel format clean, structured, and ready to use for your ML pipeline. I am detail-oriented, consistent, and committed to delivering accurate results on time.... Read more

Skills

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xandrooooss
Alexandro Putra
Offline • 

See my services

Data Labeling & Annotation
I will do text data labeling and annotation for ai and nlp datasets

Work experience

AI Dataset Developer

Independent / Self-employed • Freelance

Mar 2025 - Present1 yr 2 mos

Independent AI Dataset Developer 2025 - Present Independently built and labeled a 10,000+ entry Indonesian e-commerce review dataset for emotion classification. Developed custom labeling SOP (V3.3), performed data cleaning, duplicate removal, and model evaluation. Achieved 73.65% accuracy using IndoBERT fine-tuning.