Joy C.

Key Skills

Software

Appen

Clickworker

Top Subject Matter

Speech and Audio Data

Data annotation/AI training

Customer Service and Support

Top Data Types

Audio

Text

Document

Top Task Types

Bounding Box

Question Answering

Transcription

Evaluation/Rating

Data Collection

Polygon

Freelancer Overview

Audio Evaluator / Data Annotator – Freelance (Appen). Brings 18+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen, Clickworker, and Zulo. Education includes Higher National Diploma, Institute of Management and Technology, Enugu. AI-training focus includes data types such as Audio and labeling workflows including Evaluation and Rating.

Labeling Experience

Audio Assessor / Speech Data Evaluator – Freelance (Zulo)

Audio

As an audio assessor and speech data evaluator at Zulo, I conducted audio assessments and speech data evaluation activities. I identified inconsistencies and ensured all projects met quality standards. I worked independently to adhere to project requirements and deadlines. • Assessed audio for issues in clarity, pronunciation, and structure. • Evaluated speech data for use in AI and speech recognition models. • Maintained thorough documentation on findings and quality issues. • Ensured consistency in labeling and evaluation practices.

2026 - Present

Data Annotator / Audio Validator – Freelance (Clickworker)

ClickworkerAudio

In my role as a Data Annotator and Audio Validator at Clickworker, I performed data annotation and audio validation tasks. I reviewed and verified the quality of transcriptions for a range of audio projects. I completed a high volume of microtasks within strict deadlines. • Annotated audio data for validation and quality control. • Checked and improved transcription accuracy as per task guidelines. • Met project deadlines while maintaining a high standard of work. • Collaborated on projects requiring large-scale audio labeling.

2021 - Present

Audio Evaluator / Data Annotator – Freelance (Appen)

AppenAudio

As a freelance Audio Evaluator and Data Annotator at Appen, I evaluated audio recordings for clarity, pronunciation, and accuracy. I followed strict project guidelines for rating and labeling data. I maintained consistency and high accuracy across a variety of annotation and evaluation tasks. • Reviewed and rated audio data according to project-specific requirements. • Ensured quality and compliance by adhering to detailed instructions. • Worked on annotation tasks with a focus on data integrity. • Compiled results and submitted reports for further processing.

2021 - Present

Education

Work History