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Wasiu A.

Wasiu A.

AI Data Annotation Specialist | NLP, Computer Vision & QA Reviewer

Nigeria flagOyo, Nigeria

Key Skills

Software

No software listed

Top Subject Matter

My strongest subject matter areas are AI
machine learning data annotation
including NLP
computer vision
speech/audio processing

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

Question AnsweringQuestion Answering
Translation/LocalizationTranslation/Localization
TranscriptionTranscription
Data CollectionData Collection
Text SummarizationText Summarization
Object DetectionObject Detection

Freelancer Overview

I have over three years of experience in AI data annotation, working with platforms such as Appen, Labelbox, Scale AI, and Amazon Mechanical Turk. I have labeled and reviewed text, image, audio, and video datasets for machine learning applications, including NLP, computer vision, and speech recognition projects. I consistently maintained high-quality standards, performed QA reviews, and followed complex annotation guidelines to help improve AI model performance.

Labeling Experience

I have worked as a Data Annotation Specialist for over three years, labeling and reviewing text, image, audio, and video

I have worked as a Data Annotation Specialist for over three years, labeling and reviewing text, image, audio, and video datasets used to train AI and machine learning models. My experience includes sentiment analysis, named entity recognition (NER), image segmentation, bounding box annotation, audio transcription, and quality assurance review. I have worked on platforms such as Appen, Labelbox, Scale AI, and Amazon Mechanical Turk, consistently maintaining high accuracy while following detailed annotation guidelines.

Not specified

Education

B

B.Sc

Degree not specified

Not specified
Not specified

Work History

C

Company not specified

Senior Data Annotator | Appen (Remote Contract) January 2022 – Present Annotated and reviewed over 150,000 data points

Location not specified
2022 - Present