Polina R.

AI Data Annotation Specialist

Avatar placeholder
Košice, Slovakia

Experience

Oct 2025 - Nov 2025
2 months
Košice, Slovakia

AI Data Annotation Specialist

Mindrift

  • Annotating and mapping options values for AI models
  • Ensuring that the correct mapping was applied to the data based on predefined criteria
  • Reviewing and verifying annotations for consistency and accuracy
  • Working with a team to ensure high-quality data annotations
  • Providing feedback and suggestions to improve the annotation process
  • Validating the quality of the data used for training AI systems
Aug 2025 - Nov 2025
4 months
Košice, Slovakia

AI Trainer

Invisible Technologies

Jun 2025 - Present
7 months

Freelancer - AI Data Annotation & Verification Specialist / AI Data Specialist - Slovak Audio Transcription and Annotation

Upwork

  • Recorded and transcribed Slovak audio for AI training
  • Annotated and labeled text, images, and videos
  • Verified AI responses for factual accuracy and relevance
Dec 2024 - Present
1 year 1 month
Košice, Slovakia

Personalized Internet Assessor

TELUS International

  • Evaluated and rated online content to improve search engine relevance
  • Improved AI recommendations by assessing user intent and content relevance
  • Ensured high-quality results through consistent application of linguistic criteria
  • Annotated and reviewed text and voice data for AI training
  • Analyzed grammar, tone, clarity, and factual correctness of large language model responses

Summary

I am a highly motivated and detail-oriented professional with a strong background in Al data annotation, verification, and transcription. I specialize in improving Al-generated content, ensuring its accuracy, and performing quality checks. With hands-on experience in transcription, data annotation, and content evaluation, I bring a strong skill set in enhancing machine learning models

Skills

  • Gmail
  • Al Data Annotation
  • Verification
  • Data Labeling
  • Audio Transcription
  • Factual Accuracy Verification
  • Content Quality Assurance
  • Checking If The Al's Answer Correctly Responds To The User's Query
  • Verifying Factual Accuracy Using Reliable Sources
  • Checking The Freshness And Relevance Of Information
  • Identifying Errors, Inconsistencies, Or Missing Details
  • Providing Evidence To Support Corrections
  • Evaluating Clarity, Correctness, And Completeness Of The Response
  • Rating The Overall Quality And Suggesting Improvements
  • Data Mapping For Al Models
  • Text, Image, And Video Annotation
  • Machine Learning Support
  • Al Response Evaluation
  • Content Freshness And Relevance Checks
  • Data Consistency And Accuracy Verification
  • Quality Control And Process Improvement
  • Precision In Data Processing

Languages

Slovak
Native
Ukrainian
Native
Czech
Advanced
English
Advanced
Polish
Intermediate
...and 1 more

Education

Sep 2019 - May 2024

Technical University of Kosice

Master's Degree · Košice, Slovakia

Sep 2008 - May 2019

Konotop Specialized School

High School Diploma · Konotop, Ukraine

Certifications & licenses

English Certificate C1 - International English Test

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions

Similar Freelancers

Discover other experts with similar qualifications and experience

Riccardo A.
Riccardo A.

Voice AI Trainer & Audio Transcriber

View Profile
Lisa A.
Lisa A.

Freelance Content and Localization Expert

View Profile
Stanislav S.
Stanislav S.

Data Annotator

View Profile
Tim R.
Tim R.

AI Engineer

View Profile
Yusuf D.
Yusuf D.

AI Training Intern

View Profile
Yağız Y.
Yağız Y.

Data Annotator

View Profile
Martin M.
Martin M.

Product Owner AI Learning Platform

View Profile
Stephan P.
Stephan P.

Online Editor / AI Trainer / Data Annotator

View Profile
Izabela K.
Izabela K.

Freelance & Career Transition Projects

View Profile
David T.
David T.

AI Trainer (NLP & LLM Evaluation)

View Profile
Robin L.
Robin L.

AI Tutor & Chemistry/Biology Specialist

View Profile
Anas I.
Anas I.

AI Content Reviewer

View Profile
Georgia V.
Georgia V.

Team Lead

View Profile
Mahmoud H.
Mahmoud H.

Data Annotation Specialist

View Profile
Erika S.
Erika S.

Freelance Writer

View Profile
Ioanna V.
Ioanna V.

Candidate Relationship Manager

View Profile
Murtadah A.
Murtadah A.

AI Training Data Specialist Certification

View Profile
Kenneth V.
Kenneth V.

Content Moderator

View Profile
Estelle K.
Estelle K.

Document Management / Document Controlling Specialist

View Profile
Alisha A.
Alisha A.

STEM LLM Annotator

View Profile
Matthias N.
Matthias N.

AI Tutor

View Profile
Antonio C.
Antonio C.

Advanced AI Data Trainer

View Profile
Alexandra R.
Alexandra R.

Data Annotator

View Profile
Antonio C.
Antonio C.

Data Analyst Intern

View Profile
Manuel P.
Manuel P.

AI Engineer

View Profile
Ra-gyeom S.
Ra-gyeom S.

Freelance Data Specialist

View Profile
Lindsey B.
Lindsey B.

AI Tutor

View Profile
Lidija V.
Lidija V.

Information Technology Expert

View Profile
Mariana S.
Mariana S.

Advance AI Data Trainer

View Profile
Diego L.
Diego L.

Freelance Spanish Transcriptionist

View Profile