Michael O.

Key Skills

Software

Other

Scale AI

Lionbridge

Toloka

Top Subject Matter

English (Nigeria) audio evaluation (Nigerian English accent and naturalness)

Field inspection classification and structured evaluation documentation

Telecom network performance data quality assessment

Top Data Types

Audio

Text

Document

Top Task Types

Classification

Text Generation

Object Detection

Freelancer Overview

Audio Evaluator (Applied) — Welo Data — English (Nigeria) Project 2025. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Engineering, Bayero University Kano (2024) and Senior Secondary Certificate, Wisdom International College (2017). AI-training focus includes data types such as Audio and Text and labeling workflows including Evaluation and Rating.

Labeling Experience

Independent Field Maintenance Trainee — MTN Nigeria Network Sites (Jan 2026 – Present)

OtherText

Applied structured evaluation and documentation frameworks during live site inspections. Categorised equipment faults, conditions, and parameters using defined classification systems. Maintained high compliance and attention to detail to support reliable, high-volume labeling-like documentation. • Structured documentation during site inspections • Fault/condition categorization with defined classification systems • Accurate recording of equipment parameters • Zero compliance failures across site visits

2026 - Present

Audio Evaluator (Applied) — Welo Data — English (Nigeria) Project 2025

OtherAudio

Evaluated short audio clips in Nigerian English using a defined rubric. Assessed accent recognition, speech naturalness, and pronunciation-related characteristics while maintaining objectivity. Applied consistent criteria to support inter-rater reliability across assigned clips. • Accent recognition and speech naturalness scoring • Rubric adherence to ensure objective ratings • Detection of subtle pronunciation and regional accent variation • Quality evaluation aligned to evaluator standards

2025 - 2025

Technical Support Intern — Globacom Nigeria (2021 & 2023)

OtherText

Performed systematic quality assessments of network performance data requiring consistent categorisation. Produced structured evaluation reports to defined standards, building disciplined assessment habits applicable to data labeling tasks. Focused on accurate evaluation of signal characteristics within a quality assurance workflow. • Quality assessment of network performance data • Categorisation of signal characteristics • Generation of structured evaluation reports • Consistent evaluation aligned to defined standards

2021 - 2023

Education

Work History