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Charles Montes

Charles Montes

Data Annotator & AI Evaluator

Philippines flagSan-Isidro, Philippines
$15.00/hrIntermediateData Annotation TechClickworker

Key Skills

Software

Data Annotation TechData Annotation Tech
ClickworkerClickworker

Top Subject Matter

AI Language Model Evaluation
Language Quality
Language Quality Review

Top Data Types

TextText
DocumentDocument
ImageImage

Top Task Types

ClassificationClassification
Text GenerationText Generation
Data CollectionData Collection
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

Data Annotator & AI Evaluator. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Google Docs and Sheets. Education includes Senior High School Diploma, T.A. Dionisio National High School (2026) and Elementary School Diploma, Malapit East Elementary School (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Classification.

IntermediateEnglish

Labeling Experience

Language Reviewer & Content Annotator

TextClassification
As a Language Reviewer & Content Annotator, I reviewed and labeled high-volume English and Filipino digital content for language quality and correctness. I evaluated AI-generated text outputs, delivering structured feedback on fluency, accuracy, and cultural appropriateness. Continuous precision was maintained across repetitive annotation workflows. • Identified and annotated grammar, syntax, and factual errors. • Assessed translation quality and cultural relevance. • Documented recurring error patterns for quality improvement. • Followed structured review guidelines at scale.

As a Language Reviewer & Content Annotator, I reviewed and labeled high-volume English and Filipino digital content for language quality and correctness. I evaluated AI-generated text outputs, delivering structured feedback on fluency, accuracy, and cultural appropriateness. Continuous precision was maintained across repetitive annotation workflows. • Identified and annotated grammar, syntax, and factual errors. • Assessed translation quality and cultural relevance. • Documented recurring error patterns for quality improvement. • Followed structured review guidelines at scale.

2024 - Present

Data Annotator & AI Evaluator

Text
As a freelance Data Annotator & AI Evaluator, I conducted SFT and RM assessments for a global AI project, evaluating AI-generated responses using DCG and GSB scoring frameworks. I applied official Problem Type tagging methods to accurately label content issues and produced evidence-based commentary for each evaluation. Tasks included strict guideline adherence across factual, creative, and analytical prompt types. • Completed structured preference rankings and rationale documentation. • Applied detailed taxonomy for error type annotation. • Managed high-volume, diverse annotation tasks with accuracy. • Demonstrated nuanced interpretation of edge-case guidelines.

As a freelance Data Annotator & AI Evaluator, I conducted SFT and RM assessments for a global AI project, evaluating AI-generated responses using DCG and GSB scoring frameworks. I applied official Problem Type tagging methods to accurately label content issues and produced evidence-based commentary for each evaluation. Tasks included strict guideline adherence across factual, creative, and analytical prompt types. • Completed structured preference rankings and rationale documentation. • Applied detailed taxonomy for error type annotation. • Managed high-volume, diverse annotation tasks with accuracy. • Demonstrated nuanced interpretation of edge-case guidelines.

2026 - 2026

Education

T

T.A. Dionisio National High School

Senior High School Diploma, Information and Communications Technology — Computer System Servicing

Senior High School Diploma
2024 - 2026
M

Malapit East Elementary School

Elementary School Diploma, General Elementary Education

Elementary School Diploma
2020 - 2020

Work History

C

Charles Montes Web Design

Freelance Web Designer & Content Creator

Remote
2025 - Present
S

Self-Employed

Freelance Content Writer & Language Reviewer

Remote
2024 - Present