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Casanova C.

Casanova C.

Independent AI Data Reviewer and Annotator (Freelance, Remote)

USA flagLos Angeles, Usa

Key Skills

Software

LabelboxLabelbox
Scale AIScale AI
AppenAppen
RoboflowRoboflow
Data Annotation TechData Annotation Tech
SuperviselySupervisely
SuperAnnotateSuperAnnotate
Surge AISurge AI
ClickworkerClickworker

Top Subject Matter

LLM evaluation and annotation across STEM and general knowledge
Institutional effectiveness research data collection and coding

Top Data Types

ImageImage
VideoVideo
AudioAudio

Top Task Types

Data CollectionData Collection
Bounding BoxBounding Box
Point/Key PointPoint/Key Point
ClassificationClassification
TranscriptionTranscription
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

Independent AI Data Reviewer and Annotator (Freelance, Remote). Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, California State University, Los Angeles (2017). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Data Collection.

Labeling Experience

Independent AI Data Reviewer and Annotator (Freelance, Remote)

OtherTextText

Served as an Independent AI Data Reviewer and Annotator, checking AI-created outputs for logical accuracy, factual consistency, and reasoning quality across STEM and everyday domains. Applied statistical thinking to identify recurring model error patterns and document persistent weaknesses in LLM responses relative to domain-specific requirements. Followed detailed annotation guides and multi-step instructions to maintain consistently high accuracy while producing written feedback reports for project managers.• Reviewed AI-generated results for correctness, consistency, and reasoning quality.• Tracked domain-specific information requirements and model performance issues.• Maintained annotation accuracy above 96% through guideline adherence.• Completed onboarding, assessments, and training modules across multiple AI data labeling software systems.

2022 - Present

Junior Research Analyst, CalState LA Office of Institutional Research

OtherTextTextData CollectionData Collection

Worked as a Junior Research Analyst supporting institutional effectiveness projects through collecting and coding both qualitative and quantitative data. Maintained detailed logs and documentation to ensure reproducibility of data collection methods and supported creation of clear written reports for academic and administrative stakeholders. Performed structured data preparation activities aligned with research data labeling workflows.• Gathered qualitative and quantitative data for institutional research projects.• Coded/organized data to support analysis and reporting.• Maintained reproducible collection logs and documentation.• Authored written reports summarizing findings clearly and accurately.

2017 - 2018

Education

C

California State University, Los Angeles

Bachelor of Science, Statistics and Data Science

Bachelor of Science
2013 - 2017

Work History

P

Pacific Analytics Group

Data Analyst

Los Angeles
2018 - 2022
C

California State University, Los Angeles Office of Institutional Research

Junior Research Analyst

Los Angeles
2017 - 2018