Ogochukwu M.

Key Skills

Software

Telus

Appen

CVAT

Top Subject Matter

Speech Domain Expertise

audio recording/transcription

voice modeling

Top Data Types

Audio

Text

Video

Image

Document

Top Task Types

Transcription

Bounding Box

Freelancer Overview

AI Data Annotator & Rater (Freelance) – TELUS AI, Appen, Outlier (2024–Jan 2026). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Telus, Appen, and Outlier. Education includes Bachelor of Laws, University of Nigeria, Nsukka (2025). AI-training focus includes data types such as Audio, Text, and Video and labeling workflows including Transcription, Evaluation, and Rating.

Labeling Experience

AI Data Annotator & Rater (Freelance) – TELUS AI, Appen, Outlier (2024–Jan 2026)

CVATImageBounding Box

Freelance AI Data Annotator & Rater performing image labeling for AI training datasets. Tasks included annotating images using bounding boxes and classification/tagging workflows, plus content verification to ensure label correctness. Additional responsibilities covered image-based validation such as category alignment and product/brand attribute checks within multimodal workflows. • Bounding box image annotation • Image classification and tagging • Content verification for label quality • Category and attribute alignment checks

2024 - 2026

AI Data Annotator & Rater (Freelance) – TELUS AI, Appen, Outlier (2024–Jan 2026)

Video

Freelance AI Data Annotator & Rater contributing to multimodal dataset validation across text, image, and video for generative AI training. Responsibilities included conducting multimodal prompt and output validation to assess alignment between prompts and generated outputs, and verifying content for correctness and completeness. The work emphasized consistent guideline adherence and robust handling of ambiguous or edge cases. • Multimodal validation (text + image + video alignment) • Generative AI output quality checks • Edge-case handling and escalation • Consistent QA in remote production environments

2024 - 2026

AI Data Annotator & Rater (Freelance) – TELUS AI, Appen, Outlier (2024–Jan 2026)

AppenText

Freelance AI Data Annotator & Rater performing text and prompt evaluation to improve model safety, accuracy, and policy compliance. Tasks included rating search results for relevance and usefulness to support search ranking quality, and evaluating AI prompts and responses for accuracy, safety, and rule adherence. The role also involved flagging harmful content and escalating edge cases according to labeling guidelines. • Search relevance/usefulness rating • Prompt & response evaluation for accuracy and safety • Policy compliance and harmful-content flagging • QA checks within remote, high-volume workflows

2024 - 2026

AI Data Annotator & Rater (Freelance) – TELUS AI, Appen, Outlier (2024–Jan 2026)

TelusAudioTranscription

Freelance AI Data Annotator & Rater supporting audio-focused dataset creation for AI training and generative AI systems. Responsibilities included transcribing conversations and audio clips with accurate speaker labeling and timestamps, and performing audio comparison tasks to support speech recognition and voice model training. Work required strict adherence to guidelines while meeting productivity and quality benchmarks in remote workflows. • Transcription with speaker labeling and timestamps • Audio comparison for speech recognition/voice model training • Audio-to-text accuracy and guideline compliance • Quality assurance and escalation of ambiguous cases

2024 - 2026

Education

Work History