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Selena Mitchell

Selena Mitchell

AI Data Annotator - Machine Learning

USA flag
California, Usa
$15.00/hrIntermediateAppenData Annotation TechOneforma

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
OneFormaOneForma
SuperAnnotateSuperAnnotate
TelusTelus

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
Computer Code ProgrammingComputer Code Programming
ImageImage

Top Label Types

Audio Recording
Computer Programming Coding
Data Collection
Transcription

Freelancer Overview

I am an experienced AI Data Annotator and Training Specialist with a strong background in labeling, validating, and auditing large-scale datasets for machine learning, particularly in NLP and text classification. My expertise includes ensuring guideline compliance, maintaining high QA standards (over 98% accuracy), and optimizing annotation workflows using Python. I am skilled in entity recognition, dataset structuring, and providing actionable feedback to improve AI training data quality. I have experience automating repetitive preprocessing tasks, working with distributed teams, and utilizing tools like Jira, Git, VS Code, and Google Workspace. I am passionate about delivering precise, high-quality data to power robust AI models in fast-paced, remote environments.

IntermediateEnglishFrenchIgbo

Labeling Experience

No Data Labeling experience added

Selena M. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

T

Turing Tech Academy

Certificate, Web Development and Artificial Intelligence and Machine Learning Engineering

Certificate
2023 - 2025

Work History

T

Turing Tech

Frontend Developer

Remote
2023 - 2024