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Sandra Torres

Sandra Torres

Dataworker - Appen

Venezuela flagMaracaibo, Venezuela
$10.00/hrExpertAppen

Key Skills

Software

AppenAppen

Top Subject Matter

Multilingual Data Annotation
Speech Domain Expertise
Text Domain Expertise

Top Data Types

TextText
VideoVideo
ImageImage

Top Task Types

Data Collection
Bounding Box
Polygon
Classification

Freelancer Overview

Dataworker - Appen. Brings 19+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Appen. Education includes Technical University Superior Degree, N/A. AI-training focus includes data types such as Text and labeling workflows including Data Collection.

ExpertEnglishSpanish

Labeling Experience

Appen

Dataworker - Appen

AppenTextData Collection
As a Dataworker at Appen, I contributed to data annotation and labeling projects supporting machine learning algorithms. My responsibilities included translation, transcription, speech collection, social media and search engine evaluation, and data entry tasks. I worked across diverse content types to ensure the quality, clarity, and utility of labeled datasets. • Handled data annotation by adding metadata and labels to raw text and audio data • Conducted translations and transcriptions for linguistic AI applications • Evaluated and curated speech and social media data for algorithm training • Performed quality checks and maintained data integrity across assignments

As a Dataworker at Appen, I contributed to data annotation and labeling projects supporting machine learning algorithms. My responsibilities included translation, transcription, speech collection, social media and search engine evaluation, and data entry tasks. I worked across diverse content types to ensure the quality, clarity, and utility of labeled datasets. • Handled data annotation by adding metadata and labels to raw text and audio data • Conducted translations and transcriptions for linguistic AI applications • Evaluated and curated speech and social media data for algorithm training • Performed quality checks and maintained data integrity across assignments

2016 - Present

Education

N

N/A

Technical University Superior Degree, Administration

Technical University Superior Degree
Not specified

Work History

H

Hidromack

Administrative Assistant

Maracaibo
1990 - 2008