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Babatunde Raaji

Babatunde Raaji

Data Annotator (Text)

Nigeria flagIbadan, Nigeria
$20.00/hrExpertAppenClickworkerCrowdsource

Key Skills

Software

AppenAppen
ClickworkerClickworker
CrowdSourceCrowdSource
CVATCVAT
Data Annotation TechData Annotation Tech
Label StudioLabel Studio
OneFormaOneForma
TolokaToloka
LionbridgeLionbridge
Other

Top Subject Matter

Natural Language Processing
Computer Vision
Video Analytics

Top Data Types

ImageImage
TextText
VideoVideo
AudioAudio

Top Task Types

Audio Recording
Bounding Box
Classification
Cuboid
Polygon
Object Detection
Action Recognition
Transcription

Freelancer Overview

Data Annotator (Text). Core strengths include OneForma, Lionbridge, and Appen. Education includes Bachelor of Science, National Open University of Nigeria (2024). AI-training focus includes data types such as Text, Image, and Video and labeling workflows including Classification, Object Detection, and Action Recognition.

ExpertYorubaEnglishItalian

Labeling Experience

CVAT

Data Annotator

CVATVideoBounding BoxPolygon
I was a Data Anootator expert that analyze, track, classify and track object on videos, images.

I was a Data Anootator expert that analyze, track, classify and track object on videos, images.

2023 - Present
Lionbridge

Image Data Annotator

LionbridgeImageObject Detection
I have been involved in image annotation projects, focusing on object detection, image segmentation, and computer vision tasks for AI applications. My responsibilities included marking objects and features in images to improve machine perception. I consistently delivered precise and high-quality annotations per project requirements. • Labeled images using object detection and segmentation methods.• Collaborated with teams on image-based annotation projects.• Maintained quality assurance and meticulous attention to detail.• Used industry-standard annotation tools for image labeling.

I have been involved in image annotation projects, focusing on object detection, image segmentation, and computer vision tasks for AI applications. My responsibilities included marking objects and features in images to improve machine perception. I consistently delivered precise and high-quality annotations per project requirements. • Labeled images using object detection and segmentation methods.• Collaborated with teams on image-based annotation projects.• Maintained quality assurance and meticulous attention to detail.• Used industry-standard annotation tools for image labeling.

2020 - Present
OneForma

Data Annotator (Text)

OneformaTextClassification
I have considerable experience in labeling and categorizing text data for machine learning and AI projects. Over the past four years, I have collaborated with leading organizations to advance natural language understanding initiatives. I applied my skills to tasks such as text classification, sentiment analysis, and entity tagging. • Labeled diverse text datasets for sentiment and entity recognition.• Ensured high accuracy and adherence to project guidelines.• Used annotation tools familiar to industry best practices.• Supported AI systems training for various language-based tasks.

I have considerable experience in labeling and categorizing text data for machine learning and AI projects. Over the past four years, I have collaborated with leading organizations to advance natural language understanding initiatives. I applied my skills to tasks such as text classification, sentiment analysis, and entity tagging. • Labeled diverse text datasets for sentiment and entity recognition.• Ensured high accuracy and adherence to project guidelines.• Used annotation tools familiar to industry best practices.• Supported AI systems training for various language-based tasks.

2020 - Present
Lionbridge

Audio Data Transcriptionist

LionbridgeAudioTranscription
As a transcriptionist, I have labeled and transcribed audio data in English and Yoruba for projects ranging from media productions to AI training datasets. I contributed high-quality, timestamped transcripts while ensuring accuracy in linguistic and contextual details. This work enhanced multilingual AI systems and improved accessibility. • Produced audio transcripts with precision and attention to linguistic nuance.• Labeled speaker identities, timestamps, and contextual metadata.• Collaborated on English and Yoruba datasets for AI chatbot and recognition models.• Used transcription tools and platforms targeting AI training.

As a transcriptionist, I have labeled and transcribed audio data in English and Yoruba for projects ranging from media productions to AI training datasets. I contributed high-quality, timestamped transcripts while ensuring accuracy in linguistic and contextual details. This work enhanced multilingual AI systems and improved accessibility. • Produced audio transcripts with precision and attention to linguistic nuance.• Labeled speaker identities, timestamps, and contextual metadata.• Collaborated on English and Yoruba datasets for AI chatbot and recognition models.• Used transcription tools and platforms targeting AI training.

2019 - Present

Certified Data Annotation Expert (BHI – Beyond Human Intelligence)

OtherImageClassification
Certified as a top data annotation expert with BHI – Beyond Human Intelligence, I have experience labeling image, video, and text datasets. My expertise includes conducting quality assurance and adhering to complex labeling guidelines. I regularly contributed to diverse AI and ML projects for computer vision and natural language processing. • Labeled datasets for computer vision and multimedia applications.• Conducted QA and reviewed peer annotations for accuracy.• Used advanced annotation software to maintain consistency.• Applied comprehensive labeling protocols on multiple platforms.

Certified as a top data annotation expert with BHI – Beyond Human Intelligence, I have experience labeling image, video, and text datasets. My expertise includes conducting quality assurance and adhering to complex labeling guidelines. I regularly contributed to diverse AI and ML projects for computer vision and natural language processing. • Labeled datasets for computer vision and multimedia applications.• Conducted QA and reviewed peer annotations for accuracy.• Used advanced annotation software to maintain consistency.• Applied comprehensive labeling protocols on multiple platforms.

2020 - 2023

Education

N

National Open University of Nigeria

Bachelor of Science, Film Production

Bachelor of Science
2022 - 2024
L

LENS Polytechnic

Diploma, Multimedia Technology

Diploma
2016 - 2018

Work History

B

BHI - Beyond Human Intelligence

Data Annotator

Ibadan
2023 - Present
F

Fiverr & Upwork

Multimedia Technologist

Ibadan
2018 - Present