Chiebuka Gideon Obinwanne

Key Skills

Software

Label Studio

CVAT

Top Subject Matter

AI Training Data

Laboratory Product Testing Data

Legal Services & Contract Review

Top Data Types

Image

Document

Text

Top Task Types

Classification

Data Collection

Transcription

Prompt + Response Writing (SFT)

Fine-tuning

Text Summarization

Object Detection

Segmentation

Freelancer Overview

Data Annotation Specialist (Freelance). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Label Studio, CVAT, and Microsoft Excel. Education includes Bachelor of Science, University of Benin (2019). AI-training focus includes data types such as Image and Document and labeling workflows including Classification.

Labeling Experience

Data Annotation Specialist (Freelance)

Label StudioImageClassification

As a Data Annotation Specialist on Upwork, I annotated over 3,000 datasets for AI training projects. My responsibilities included tagging images and texts to prepare high-quality training data for machine learning models. I consistently achieved an accuracy rate of 98% across diverse annotation assignments. • Utilized Label Studio and CVAT for detailed image and text labeling. • Refined project guidelines to improve annotation consistency and efficiency. • Contributed to a 15% enhancement in project turnaround times through process optimizations. • Collaborated remotely with clients to ensure data labeling requirements were met with precision.

As a Data Annotation Specialist on Upwork, I annotated over 3,000 datasets for AI training projects. My responsibilities included tagging images and texts to prepare high-quality training data for machine learning models. I consistently achieved an accuracy rate of 98% across diverse annotation assignments. • Utilized Label Studio and CVAT for detailed image and text labeling. • Refined project guidelines to improve annotation consistency and efficiency. • Contributed to a 15% enhancement in project turnaround times through process optimizations. • Collaborated remotely with clients to ensure data labeling requirements were met with precision.

2022 - Present

Laboratory Assistant

DocumentClassification

As a Laboratory Assistant, I logged and annotated laboratory data to support product testing processes. My work focused on digitizing legacy data and organizing datasets for research and development teams. I ensured the accuracy and accessibility of annotated records in compliance with testing protocols. • Recorded and digitized laboratory data into cloud-based systems. • Supported dataset organization for R&D and quality assurance. • Enhanced product testing documentation accuracy through diligent annotation. • Coordinated data handling tasks to maintain up-to-date laboratory records.

As a Laboratory Assistant, I logged and annotated laboratory data to support product testing processes. My work focused on digitizing legacy data and organizing datasets for research and development teams. I ensured the accuracy and accessibility of annotated records in compliance with testing protocols. • Recorded and digitized laboratory data into cloud-based systems. • Supported dataset organization for R&D and quality assurance. • Enhanced product testing documentation accuracy through diligent annotation. • Coordinated data handling tasks to maintain up-to-date laboratory records.

2019 - 2020

Education

Work History