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J

Jhojan Vargas Pozo

AI Response Evaluator

USA flagWoodbridge, Usa
$40.00/hrEntry LevelData Annotation Tech

Key Skills

Software

Data Annotation TechData Annotation Tech

Top Subject Matter

Natural Language Processing
Large Language Models
AI Evaluation

Top Data Types

ImageImage
TextText
DocumentDocument
AudioAudio

Top Task Types

Text GenerationText Generation
Evaluation/RatingEvaluation/Rating
Object DetectionObject Detection
Question AnsweringQuestion Answering
Text SummarizationText Summarization
TranscriptionTranscription
Fine-tuningFine-tuning

Freelancer Overview

AI Response Evaluator. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Science, George Mason University (2025) and Associate of Arts, Northern Virginia Community College (2022). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

Entry LevelEnglishSpanish

Labeling Experience

AI Response Evaluation

TextClassification
Worked on large-scale AI training and evaluation projects focused on improving language model performance through structured data labeling and quality assessment. Reviewed and annotated AI-generated responses for accuracy, relevance, clarity, safety, instruction-following, and overall usefulness across a wide range of prompts. Performed pairwise ranking tasks to compare model outputs, identified errors and hallucinations, and provided detailed justifications to support training improvements. Contributed to multiple projects involving speech, reasoning, and general language understanding tasks. Maintained high quality standards by following strict annotation guidelines, meeting productivity targets, and ensuring consistency across thousands of evaluated samples.

Worked on large-scale AI training and evaluation projects focused on improving language model performance through structured data labeling and quality assessment. Reviewed and annotated AI-generated responses for accuracy, relevance, clarity, safety, instruction-following, and overall usefulness across a wide range of prompts. Performed pairwise ranking tasks to compare model outputs, identified errors and hallucinations, and provided detailed justifications to support training improvements. Contributed to multiple projects involving speech, reasoning, and general language understanding tasks. Maintained high quality standards by following strict annotation guidelines, meeting productivity targets, and ensuring consistency across thousands of evaluated samples.

2025 - Present

Education

G

George Mason University

Bachelor of Science, Mechanical Engineering

Bachelor of Science
2022 - 2025
N

Northern Virginia Community College

Associate of Arts, Engineering

Associate of Arts
2020 - 2022

Work History

C

Casa Virginia

Tutor and Translator

Woodbridge
2024 - 2024
D

Dream Project

Alumni Outreach Coordinator

Arlington
2024 - 2024