Mustafa Yetiş

Key Skills

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Toloka

Label Studio

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Freelancer Overview

I am a motivated Electrical and Electronics Engineering student with hands-on experience in data annotation, labeling, and AI training data projects. I have worked on large-scale datasets to improve machine learning models, particularly during my roles at Yandex and Co-one, where I contributed to search engine quality and assisted in optimizing websites for high-profile clients like Bershka. My strengths include attention to detail, teamwork, and the ability to analyze and provide actionable feedback on data quality. I am passionate about applying my technical knowledge to real-world AI solutions and eager to contribute to innovative technology projects in data labeling and annotation.

Labeling Experience

Data Annotation & Search Quality Specialist

TolokaTextEvaluation Rating

In this role, I annotated and labeled large datasets to train and improve AI and machine learning models. My primary responsibility involved evaluating search engine results, identifying errors, and providing feedback for quality improvement. I collaborated closely with team members to ensure consistency and accuracy. • Annotated a high volume of search queries and results to enhance machine performance • Provided detailed feedback on search result relevance and errors • Assisted in refining AI training datasets by highlighting inconsistencies • Maintained strict attention to quality standards throughout the project

In this role, I annotated and labeled large datasets to train and improve AI and machine learning models. My primary responsibility involved evaluating search engine results, identifying errors, and providing feedback for quality improvement. I collaborated closely with team members to ensure consistency and accuracy. • Annotated a high volume of search queries and results to enhance machine performance • Provided detailed feedback on search result relevance and errors • Assisted in refining AI training datasets by highlighting inconsistencies • Maintained strict attention to quality standards throughout the project

2024 - 2025

Data Annotation & Website Design Assistant

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I performed data labeling and annotation for AI and machine learning projects, collaborating with design and technical teams. My tasks included organizing and categorizing website content for high-profile clients. I ensured that labeled data met project quality requirements. • Categorized website text and content to support machine learning training • Coordinated with technical teams for accurate data annotation • Helped design data structures for optimized AI model learning • Maintained data integrity through careful record-keeping

I performed data labeling and annotation for AI and machine learning projects, collaborating with design and technical teams. My tasks included organizing and categorizing website content for high-profile clients. I ensured that labeled data met project quality requirements. • Categorized website text and content to support machine learning training • Coordinated with technical teams for accurate data annotation • Helped design data structures for optimized AI model learning • Maintained data integrity through careful record-keeping

2023 - 2024

Education

Work History