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M
Mandefro E.

Mandefro E.

fullstack developer

Ethiopia flagAddis Ababa, Ethiopia

Key Skills

Software

No software listed

Top Subject Matter

fullstack development

Top Data Types

Computer Code ProgrammingComputer Code Programming

Top Task Types

No task types listed

Freelancer Overview

Research Project Team Lead (Biotechnology). Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Bachelor of Science, Addis Ababa Science and Technology University (AASTU) (2027).

Labeling Experience

As an AI trainer and data labeling specialist, I act as the critical human-in-the-loop that teaches machine learning mod

As an AI trainer and data labeling specialist, I act as the critical human-in-the-loop that teaches machine learning models how to understand the world. I specialize in taking raw, chaotic data—from complex images to text and transforming it into the high-quality "ground truth" that algorithms rely on to get smarter. By combining high-speed processing with pixel-perfect accuracy, I directly shape how AI systems learn to accurately see, read, and interpret real-world information. Categorized and tagged thousands of text snippets for sentiment analysis and Named Entity Recognition (NER) in e-commerce chat logs. Transcribed and labeled short-form audio clips with strict adherence to complex speaker-diarization guidelines. Adapted quickly to 10+ different project workflows and custom, proprietary annotation tools within tight turnaround times. Ensured strict adherence to data privacy and security protocols while handling sensitive customer data. Annotated over [Number, e.g., 50,000+] images using bounding boxes and polygon segmentation for autonomous vehicle training data. Maintained a [Number, e.g., 99.4%] Quality Assurance (QA) accuracy rate, consistently ranking in the top 5% of annotators for precision. Reviewed and corrected algorithmic pre-labels, reducing false positives by [X]% to improve the core machine learning model. Collaborated with data scientists and QA managers to refine project guidelines, identifying edge cases that improved overall dataset consistency. Processed up to [Number] tasks per day, consistently exceeding the daily production quota of [Number] by [X]%

Not specified

Education

A

Addis Ababa Science and Technology University (AASTU)

Bachelor of Science, Biotechnology

Bachelor of Science
2023 - 2027

Work History

I

Integrated Science Team Project (ISTP)

Research Project Team Lead (Biotechnology)

Addis Ababa
2026 - 2026