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D

Doubra A.

Data Annotator & AI Content Rater

Nigeria flagOkpe, Nigeria

Key Skills

Software

AWS SageMakerAWS SageMaker
AppenAppen
Google Cloud Vertex AIGoogle Cloud Vertex AI
HiveMindHiveMind
TelusTelus
Other

Top Subject Matter

Natural Language Processing
Computer Vision
Multimedia Datasets

Top Data Types

ImageImage
VideoVideo
TextText
AudioAudio
DocumentDocument

Top Task Types

ClassificationClassification

Freelancer Overview

Data Annotator & AI Content Rater. Core strengths include Other. Education includes Bachelor of Science, University of Lagos (2025). AI-training focus includes data types such as Image, Video, and Text and labeling workflows including Classification.

Labeling Experience

Content Labeling & Data Quality Specialist

OtherTextTextClassificationClassification

I evaluated and labeled digital content according to quality standards and policies for diverse and multilingual datasets. I identified and corrected duplicate, irrelevant, and low-quality data, enhancing dataset quality. I assisted in AI recommendation system improvements through accurate metadata tagging and classification. • Conducted research and verification for data accuracy • Maintained confidentiality and data integrity • Worked with various data types and annotation guidelines • Supported AI relevance and system performance.

2025 - 2025

Data Annotator & AI Content Rater

OtherImageImageClassificationClassification

I annotated and labeled large datasets including text, image, audio, and video data to improve machine learning and AI models. I performed content rating, quality evaluation, and categorized/tagged datasets for AI training and relevance. I reviewed AI-generated content for accuracy, compliance, and conducted sentiment analysis and moderation for NLP datasets. • Maintained high annotation accuracy and met deadlines • Used spreadsheet tools and annotation platforms for data management • Collaborated with project and QA teams to resolve data inconsistencies • Focused on independent work while meeting productivity standards.

2024 - 2024

Education

U

University of Lagos

Bachelor of Science, Computer Science and Data Analytics

Bachelor of Science
2021 - 2025

Work History

A

Adsellon

Digital Marketing Specialist

Warri
2025 - Present