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O
Oluwatobi K.

Oluwatobi K.

Freelance AI Data Annotator & Digital Media Consultant (Independent Contractor)

Nigeria flagLagos, Nigeria

Key Skills

Software

Other

Top Subject Matter

Multilingual translation and transcription for AI training datasets
Audio transcription for machine learning datasets
Visual data labeling and metadata tagging

Top Data Types

TextText
AudioAudio
VideoVideo
ImageImage
DocumentDocument

Top Task Types

TranscriptionTranscription
ClassificationClassification

Freelancer Overview

Freelance AI Data Annotator & Digital Media Consultant (Independent Contractor). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Ekiti State University (2014) and N/A, Specialized Professional Development. AI-training focus includes data types such as Text, Audio, and Video and labeling workflows including Translation, Localization, and Transcription.

Labeling Experience

Freelance AI Data Annotator & Digital Media Consultant (Independent Contractor)

OtherVideoVideoClassificationClassification

Analyzed and categorized visual media assets to create labeled training data with consistent metadata. Leveraged background knowledge in graphic design and video editing to improve label precision and quality control. Performed organization and validation steps to ensure the labeled outputs matched dataset requirements. • Image/video categorization and metadata tagging • Visual quality control to ensure label precision • Consistent labeling across visual data assets • Structured workflow coordination for timely delivery

2018 - Present

Freelance AI Data Annotator & Digital Media Consultant (Independent Contractor)

OtherAudioAudioTranscriptionTranscription

Produced accurate audio transcriptions from digital media content for AI training and research use. Applied generative AI workflows and prompt engineering principles to evaluate outputs, flag anomalies, and guide labeling corrections. Maintained high data integrity by following strict transcription standards. • Audio transcription labeling from provided media • Generative AI-assisted review and inconsistency flagging • Prompt-engineering-based quality improvement • Data integrity and guideline-driven accuracy checks

2018 - Present

Freelance AI Data Annotator & Digital Media Consultant (Independent Contractor)

OtherTextText

Provided high-volume translation and linguistic localization for training datasets across English, Yoruba, Hausa, and Pidgin. Ensured grammatical accuracy and adherence to annotation/localization guidelines to support downstream machine learning model performance. Used review processes to validate outputs and correct inconsistencies before delivery. • Translation/localization labeling for multi-language corpora • Quality checks for grammar and linguistic localization • Annotation guideline compliance and consistency validation • High-volume turnaround for training dataset needs

2018 - Present

Education

E

Ekiti State University

Bachelor of Science, Accounting

Bachelor of Science
2014
S

Specialized Professional Development

N/A, Artificial Intelligence

N/A
Not specified

Work History

C

Cybermate Macro Technological Concept

Administrative Officer

Lagos
2015 - 2018