Remote Data Entry & Annotation Specialist Resume
Resume:
JOANNA
NOWACKA MATA
WORK EXPERIENCE
EDUCATION
Data Annotation Expert & Bilingual Expert (POL- EN) M.A. Political Science
Mercor
July 025 - Present
Northeastern Illinois University
Annotated large-scale image and video datasets to support machine learning model training and validation
Identified and labeled entities, objects, actions, scenes, and temporal key frames using structured annotation schemas
Evaluated AI-generated outputs for accuracy, consistency, and alignment with task specifications
Applied rigorous quality assurance protocols, flagging edge cases, ambiguities, and annotation errors
Interpreted evolving technical guidelines and adapted annotations accordingly while maintaining high precision
Reviewed translations for accuracy, fluency, and cultural appropriateness to help improve the quality of AI language systems
eview AI-generated Polish content and provide structured feedback to improve linguistic quality, clarity, and consistency
Identified mistranslations, awkward phrasing, or tone inconsistencies
******.*******.****@*****.***
San Francisco, CA
m/Oppenheim Research, Database & Special Projects Team Lead Executive Search
Feb 2016 - Current
Conducted in-depth candidate and market research for executive, nonprofit, and public-sector searches, ensuring accuracy and completeness of talent data Managed and maintained CRM and research databases, overseeing data quality, taxonomy consistency, and record integrity
Supervised and trained research staff, providing quality control, performance feedback, and process guidance
Served as liaison between research, consultants, and leadership to align data insights with search strategy
Led and supported IT and internal systems projects, including CRM optimization, reporting improvements, and process automation
Identified gaps in data systems and proposed scalable solutions to support firm growth and multi-search coordination
Recognized for attention to detail, analytical rigor, and reliability across complex, multi-stakeholder projects
SKILLS
Data Administration & CRM Management Executive & Nonprofit Talent Research Quality Assurance & Data Integrity Team Leadership & Training Process Design & Documentation Project Coordination Data Annotation (Image & Video) Polish - English Translation English - Polish Translations Entity Recognition
& Classification Key Frame Identification AI Output Evaluation Quality Assurance & Error Detection Guideline Interpretation Visual Analysis & Pattern Recognition Attention to Detail
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