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Stella A.

Stella A.

Video Data Annotator (Atlas Capture | Remote)

Nigeria flagAbuja, Nigeria

Key Skills

Software

Other
LabelImgLabelImg
MercorMercor
Micro1
MindriftMindrift
TolokaToloka

Top Subject Matter

Video activity/object labeling for AI training
Multilingual (English & Igbo) voice recording for speech recognition datasets

Top Data Types

VideoVideo
AudioAudio
TextText

Top Task Types

Action RecognitionAction Recognition
Audio RecordingAudio Recording
Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
TranscriptionTranscription
SegmentationSegmentation

Freelancer Overview

Experienced in AI data operations, including video and audio annotation, as well as multilingual voice recording in English and Igbo for machine learning and speech recognition datasets. This includes ensuring data accuracy, maintaining quality standards, and supporting AI model development through structured data labeling and voice data collection.

Labeling Experience

Video Data Annotator (Atlas Capture | Remote)

OtherVideoVideoAction RecognitionAction Recognition

Annotated and reviewed video datasets used for training AI models with a focus on accurate, guideline-compliant labels. Labeled human activities, movements, and objects within video episodes to support multimodal learning and model training. Performed quality assurance checks to detect discrepancies and maintain consistency across the dataset. • Labeled activities, movements, and objects in video episodes. • Performed quality assurance checks to flag and correct inconsistencies. • Followed detailed annotation guidelines for accuracy. • Supported AI development through accurate data processing and task review.

2026 - Present

Audio Data Annotator / Voice Recording (Macgence | Remote)

OtherAudioAudioAudio RecordingAudio Recording

Recorded and validated voice samples in English and Igbo for speech-focused AI training datasets. Ensured clear pronunciation, correct language usage, and proper audio quality during recordings. Listened to and confirmed audio clip accuracy before submission while following project guidelines for speech clarity, tone, and consistency. • Recorded voice samples in English and Igbo for ML datasets. • Validated audio clips for accuracy prior to submission. • Ensured speech clarity, tone, and language consistency. • Maintained high attention to detail across repetitive tasks.

2025 - 2025

Education

N

Nasarawa State University

Master of Business Administration, Business Administration

Master of Business Administration
2021 - 2021
N

National Open University of Nigeria

Bachelor of Science, Entrepreneurial and Business Management

Bachelor of Science
2017 - 2017

Work History

C

Cliff Media LLC

Operations Manager

California
2023 - 2024
E

Elites Esthetic

Virtual Executive Assistant (Part-Time)

N/A
2021 - 2023