Joanna Mata
Technology / Internet
Services offered
- Annotates large-scale image and video datasets to support machine learning model training and validation
- Identifies and labels entities, objects, actions, scenes, and temporal key frames using structured annotation schemas
- Evaluates AI-generated outputs for accuracy, consistency, and alignment with task specifications
- Applies rigorous quality assurance protocols, flagging edge cases, ambiguities, and annotation errors
- Interpretes evolving technical guidelines and adapts annotations accordingly while maintaining high precision
- Maintains productivity and accuracy in high-throughput, deadline-driven environments
- Reviews translations for accuracy, fluency, and cultural appropriateness to help improve the quality of AI language systems
- Reviews AI-generated Polish content and provides structured feedback to improve linguistic quality, clarity, and consistency
- Identifies mistranslations, awkward phrasing, or tone inconsistencies
- Provides recommendations regarding potential edits that reflect idiomatic and contemporary Polish usage
- Provides detailed written feedback on grammar, style, and terminology
Experience
1 year - Mercor - Data Annotation Expert for projects: Musen & Nova
1 year - Language Bilingual Expert POL - EN
10 years - m/Oppenheim Group - Research, Database & Special Projects Team Lead
Education
M.A. in Political Science - Northeastern Illinois University
M.A. in International Relations - University of Warsaw, Poland
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