Harmony A.

Key Skills

Software

Other

Appen

Mindrift

Top Subject Matter

Accent & audio evaluation

speech quality assessment

video annotation & evaluation

Top Data Types

Audio

Video

Text

Top Task Types

Segmentation

Question Answering

Object Detection

RLHF

Prompt + Response Writing (SFT)

Evaluation/Rating

Freelancer Overview

Freelance Data Annotator (video/Audio/Text Annotation & Evaluation). Core strengths include Education includes Bachelor of Science, Nnamdi Azikiwe University (2023). AI-training focus includes data types such as Audio and labeling workflows including Evaluation and Rating.

Labeling Experience

data annotation

VideoRLHF

Led video annotation for a home cleaning/physics AI training dataset. Annotated 150+ hours (85,000+ frames) of 4K household cleaning footage across 12 real home environments. Object detection & segmentation of cleaning tools/surfaces, action recognition with temporal labeling, motion trajectory tracking, physics-based annotations (velocity, force, fluid dynamics), and human pose/interaction labeling. Quality Measures: Achieved 96%+ inter-annotator agreement (IoU > 0.85), multiple QA reviews, and strict guideline adherence. Delivered high-quality labeled data for computer vision and robotics model training.

2025 - Present

Freelance Data Annotator (Audio/Text Annotation & Evaluation)

OtherAudio

Responsible for labeling and evaluating large volumes of audio (and associated text) data with high consistency and strong attention to detail. Used clear evaluation guidelines and rubrics to ensure objective and repeatable judgments across samples. Applied listening and analytical skills to detect subtle variations relevant to accent and speech-quality assessment. • Labeled and evaluated audio/text samples using provided rubrics • Maintained high-quality standards while working through tight deadlines • Identified subtle differences and patterns linked to accent and quality • Performed remote, independent work while ensuring consistency across tasks

2025 - Present

Education

Work History