Mubarak A.

Key Skills

Software

iMerit

Micro1

Top Subject Matter

AI training data quality evaluation for visual media

Top Data Types

Video

Image

Document

Top Task Types

Bounding Box

Segmentation

Classification

Object Detection

Data Collection

Freelancer Overview

Data Annotation Specialist at iMerit (AI training dataset evaluation and labeling). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include iMerit. Education includes Bachelor of Statistics, Ahmadu Bello University (2023) and Data Annotation Specialist Certification, Micro1. AI-training focus includes data types such as Video and labeling workflows including Evaluation and Rating.

Labeling Experience

Data Annotation Specialist at iMerit (AI training dataset evaluation and labeling)

iMeritVideoBounding Box

Served as a Data Annotation Specialist evaluating and labeling AI training datasets using structured annotation frameworks and detailed project rubrics. Assessed visual and media samples for quality, realism, accuracy, and compliance with defined evaluation standards while identifying edge cases and quality gaps. Escalated inconsistencies in AI-generated outputs with structured written justifications to improve dataset reliability and downstream model performance. • Labeled and reviewed AI training dataset samples using project rubrics • Evaluated media quality factors including realism, composition, lighting, and motion accuracy • Identified inconsistencies and edge cases, then provided documented escalation notes • Operated independently in a remote setting while meeting quality benchmarks

2026 - Present

Education

Work History