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J
Jerry Ajayi

Jerry Ajayi

AI Data Annotator, RWS TrainAI

Nigeria flagLagos, Nigeria
ExpertCVATMicro1Other

Key Skills

Software

CVATCVAT
Micro1
Other

Top Subject Matter

Computer Vision
Video Analysis
Natural Language Processing

Top Data Types

ImageImage
VideoVideo
TextText
DocumentDocument

Top Task Types

PolygonPolygon
ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification

Freelancer Overview

AI Data Annotator, RWS TrainAI. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT, Micro1, and Other. Education includes Bachelor of Technology, Federal University of Technology, Akure (2021). AI-training focus includes data types such as Image, Video, and Text and labeling workflows including Polygon, Classification, and Entity (NER) Classification.

Expert

Labeling Experience

Data Annotator, Hugotech

ImageClassification
I contributed to image and video dataset labeling for NLP and computer vision projects in collaboration with data scientists. Data quality assurance, class balancing, and peer review were consistent aspects of the work. I trained new annotators while maintaining high accuracy benchmarks across all assignments. • Labeled images and videos for AI model development and evaluation. • Conducted peer annotation reviews to uphold quality. • Provided onboarding for new team members on internal annotation tools. • Maintained a 98%+ accuracy rate with prompt dataset delivery.

I contributed to image and video dataset labeling for NLP and computer vision projects in collaboration with data scientists. Data quality assurance, class balancing, and peer review were consistent aspects of the work. I trained new annotators while maintaining high accuracy benchmarks across all assignments. • Labeled images and videos for AI model development and evaluation. • Conducted peer annotation reviews to uphold quality. • Provided onboarding for new team members on internal annotation tools. • Maintained a 98%+ accuracy rate with prompt dataset delivery.

2023 - Present

Video Annotation Specialist, Micro1

Micro1VideoClassification
I performed detailed video annotation and organization, collaborating with cross-functional teams to ensure accuracy and timely delivery. Quality assurance and workflow improvements were core responsibilities in this remote annotation specialist role. Regular engagement with new technologies and best practices helped maintain high standards. • Collaborated with teams to achieve project goals. • Led quality assurance efforts for video annotation. • Developed file management strategies to boost workflow efficiency. • Participated in training on advanced audio-video annotation techniques.

I performed detailed video annotation and organization, collaborating with cross-functional teams to ensure accuracy and timely delivery. Quality assurance and workflow improvements were core responsibilities in this remote annotation specialist role. Regular engagement with new technologies and best practices helped maintain high standards. • Collaborated with teams to achieve project goals. • Led quality assurance efforts for video annotation. • Developed file management strategies to boost workflow efficiency. • Participated in training on advanced audio-video annotation techniques.

2025 - 2025
CVAT

AI Data Annotator, RWS TrainAI

CVATImagePolygon
I conducted image labeling projects using CVAT, employing semantic, polygon, polyline, keypoint, and bounding box annotation methods. I ensured high quality and accuracy, achieving a score of 100% across all projects. Fast adaptation to new annotation software was essential in this rapidly evolving role. • Executed image annotations with CVAT, including semantic and polygon labeling. • Completed tasks efficiently within tight deadlines. • Maintained perfect quality and accuracy scores. • Adapted quickly to different technologies and workflows.

I conducted image labeling projects using CVAT, employing semantic, polygon, polyline, keypoint, and bounding box annotation methods. I ensured high quality and accuracy, achieving a score of 100% across all projects. Fast adaptation to new annotation software was essential in this rapidly evolving role. • Executed image annotations with CVAT, including semantic and polygon labeling. • Completed tasks efficiently within tight deadlines. • Maintained perfect quality and accuracy scores. • Adapted quickly to different technologies and workflows.

2025 - 2025

Data Annotator, Accunai

OtherTextEntity Ner Classification
I ensured data privacy and high accuracy as a text data annotator for AI algorithm development. Annotated sensitive information with precision, reducing errors and supporting improved model outcomes. Active communication and feedback cycles within the team allowed for continuous process enhancement. • Annotated complex text datasets following strict privacy guidelines. • Provided high-quality labeled data to reduce model error rates. • Delivered peer reviews and gave constructive feedback. • Adapted quickly to shifting project requirements.

I ensured data privacy and high accuracy as a text data annotator for AI algorithm development. Annotated sensitive information with precision, reducing errors and supporting improved model outcomes. Active communication and feedback cycles within the team allowed for continuous process enhancement. • Annotated complex text datasets following strict privacy guidelines. • Provided high-quality labeled data to reduce model error rates. • Delivered peer reviews and gave constructive feedback. • Adapted quickly to shifting project requirements.

2024 - 2024

Data Annotator Intern, Hugotech

OtherImageClassification
I supported image and text annotation projects as a remote intern, focusing on optimal quality and precise data entry. Accurately recorded and submitted annotated data for evaluation while solving complex annotation challenges. Reporting and documentation were central to ensuring project completion and approval. • Helped prevent critical data errors during annotation. • Accurate entry and organization of annotated data. • Produced detailed monthly reports and tracked entry performance. • Ensured all annotated data met approval before final submission.

I supported image and text annotation projects as a remote intern, focusing on optimal quality and precise data entry. Accurately recorded and submitted annotated data for evaluation while solving complex annotation challenges. Reporting and documentation were central to ensuring project completion and approval. • Helped prevent critical data errors during annotation. • Accurate entry and organization of annotated data. • Produced detailed monthly reports and tracked entry performance. • Ensured all annotated data met approval before final submission.

2023 - 2023

Education

F

Federal University of Technology, Akure

Bachelor of Technology, Food Science and Technology

Bachelor of Technology
2015 - 2021

Work History

A

Access Bank

Contact Center Agent

Lagos
2023 - 2023
S

Sumal Foods

Quality Control Officer

Ibadan
2022 - 2023