Abubakar Z.

Key Skills

Software

Appen

Clickworker

CVAT

Label Studio

Remotasks

Toloka

Telus

OneForma

Top Subject Matter

AI training data labeling/annotation

Top Data Types

Text

Image

Top Task Types

Classification

Entity (NER) Classification

Question Answering

Text Summarization

RLHF

Fine-tuning

Transcription

Freelancer Overview

AI Training & Data Labeling (Assisted in AI training tasks and data annotation projects). Brings 12+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes National Diploma, Institute of Administration, Ahmadu Bello University (2023) and General Certificate in Computer, Federal College of Education, Gombe (2012). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Labeling Experience

AI Training & Data Labeling (Assisted in AI training tasks and data annotation projects)

Text

Contributed to AI training and data annotation tasks by reviewing and organizing datasets for accuracy. Focused on ensuring labeled data quality and consistency to support downstream model development. Worked alongside project needs to maintain clean, well-structured records for AI workflows.• Assisted with data annotation and validation steps during AI training activities.• Reviewed dataset entries for correctness and organized them systematically.• Supported quality checks to improve label accuracy and dataset readiness.• Helped maintain documentation and records for annotated data batches.

2023

Education

Work History