Joshua S.

Key Skills

Software

Other

Top Subject Matter

Mechanical Equipment Maintenance

LPG Plant Construction & Engineering Documentation

Legal Services & Contract Review

Top Data Types

Image

Document

Text

Top Task Types

Classification

Freelancer Overview

Data Annotation & Quality Control Specialist (Mechanical Systems). Brings 11+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Higher National Diploma, Plateau State Polytechnic, Jos. AI-training focus includes data types such as Image and Document and labeling workflows including Classification.

Labeling Experience

Data Annotation & Quality Control Specialist (Mechanical Systems)

OtherImageClassification

Performed systematic labeling of daily equipment status images and anomaly detection in engine component photographs over a multi-year period. Labeled and differentiated normal versus faulty mechanical parts, supporting documentation for maintenance and compliance. Maintained high data integrity and accuracy across all labeled datasets used for operational assessments. • Labeled images included pistons, bearings, and injectors collected during overhauls. • Ensured all image labels adhered to detailed equipment and safety protocols. • Evaluated and flagged anomalies in sensor-derived photographic data. • Contributed to comprehensive technical documentation using labeled visual data.

2021 - 2025

Annotation & Documentation Specialist (LPG Plant Projects)

OtherDocumentClassification

Labeled and categorized technical drawings, P&IDs, and equipment symbols for use by construction and project teams. Developed annotation standards to ensure consistency and accuracy across multiple project locations. Verified installation checklists and standard operating procedures against labeled documentation. • Managed over 500 technical documents across 8+ project sites. • Created and maintained annotation rulebooks for technical control interfaces. • Conducted error detection and document correction to reduce rework. • Ensured consistent use of labels in all engineering and construction documents.

2016 - 2021

Education

Work History