Karina Santos
@karinasantos1
Detail-oriented data annotation specialist focused on AI quality, process optimization, and accurate results.
What I'm looking for
I am a detail-oriented professional with hands-on experience in data annotation, content review, and remote support for AI projects. I prioritize accuracy, clarity, and meeting deadlines while contributing to model improvement and quality assurance.
My background includes working as a Data Annotator and Content Reviewer at TELUS International, where I annotated and classified text and image data to technical guidelines and monitored performance metrics. I have supported data control and standardization as a Data Entry Analyst at DCP Global, identifying and correcting inconsistencies in internal information.
I have provided administrative and customer support in roles at CartPanda and Natura, building strong communication and problem-solving skills while managing operational reports and post-sales inquiries. Previously, as a Transcription Proofreader, I reviewed automatic transcriptions for clarity and grammatical accuracy while meeting productivity goals.
I hold an Administrative Technician credential from Senac RS and bring skills in Excel/Google Sheets, language review, process optimization, and multilingual communication in Portuguese, English, and Spanish. I seek opportunities where I can apply rigorous quality control to AI and data processes and continue improving operational workflows.
Experience
Work history, roles, and key accomplishments
Annotated and classified text and image data per technical guidelines to support AI model improvement, monitored performance metrics, and ensured quality assurance across projects.
Data Entry Analyst
DCP Global
Jun 2022 - Sep 2023 (1 year 3 months)
Organized and standardized databases and reports, identified and corrected data inconsistencies, and supported data control and analysis processes to improve data reliability.
Transcription Proofreader
BESESUN Information Technology
Jan 2021 - Jan 2022 (1 year)
Reviewed automatic transcriptions focusing on clarity and audio accuracy, standardized language and grammar, and consistently met productivity and accuracy targets.
Customer Service Representative
Natura
Apr 2017 - Mar 2020 (2 years 11 months)
Handled orders and post-sales inquiries, recorded and tracked customer requests in the system, and developed communication and problem-solving skills to improve customer satisfaction.
Virtual Administrative Assistant
CartPanda
Dec 2022 - Present (2 years 10 months)
Created and updated spreadsheets and operational reports, provided administrative support to sales and customer service teams, and managed internal information and files.
Education
Degrees, certifications, and relevant coursework
Senac RS
Administrative Technician, Administrative Technology
2023 - 2025
Completed an Administrative Technician program focusing on administrative processes and office technologies from November 2023 to March 2025.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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