Maryann O.

Key Skills

Software

Appen

Clickworker

Top Subject Matter

General Machine Learning

Search Engine Evaluation

Speech Recognition & Audio AI

Top Data Types

Image

Text

Audio

Top Task Types

Bounding Box

Transcription

Freelancer Overview

AI Data Annotator (Freelance). Core strengths include CrowdGen, Appen, and Clickworker. Education includes Bachelor of Science, Nnamdi Azikiwe University (2016). AI-training focus includes data types such as Image, Text, and Audio and labeling workflows including Bounding Box, Evaluation, and Rating.

Labeling Experience

AI Data Annotator (Freelance)

ImageBounding Box

I worked as an AI Data Annotator primarily focusing on image annotation and categorization on Crowdgen. My responsibilities included applying bounding box techniques to image datasets and ensuring data structure adhered to project requirements. I regularly reviewed annotated data for quality consistency and compliance. • Labeled images using bounding boxes and classifications • Tagged and organized image datasets for AI training • Performed quality assurance and follow-up reviews • Utilized web-based and proprietary tools for annotation

2020 - Present

Search & Web Evaluator (Freelance)

AppenText

As a Search & Web Evaluator for Appen and TELUS AI, I evaluated web search results for accuracy and user intent. My role involved thorough content assessment of landing pages and query responses. I consistently applied guideline-driven ratings to improve AI search models. • Rated and assessed search result quality • Evaluated relevance and usefulness of web pages • Identified and flagged misleading or low-quality results • Followed detailed evaluation guidelines consistently

2021 - 2024

Data Collection & Transcription Contributor (Freelance)

ClickworkerAudioTranscription

As a Data Collection & Transcription Contributor, I performed audio transcription, speech data recording, and validation for Clickworker and Appen. My duties encompassed transcribing recordings and structuring them as labeled training data. I also participated in speech dataset preparation projects for machine learning. • Transcribed audio recordings into text datasets • Recorded and validated speech samples • Completed speech dataset collection tasks • Checked transcription accuracy before submission

2019 - 2023

Education

Work History