Delvin P.

Key Skills

Software

No software listed

Top Subject Matter

AI data quality

NLP dataset annotation

content evaluation

Top Data Types

Text

Audio

Image

Document

Top Task Types

Transcription

RLHF

Classification

Freelancer Overview

Data Quality Analyst & Content Evaluator (Freelance / Remote). Brings 8+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Microsoft Excel and Google Sheets. Education includes Bachelor of Arts, University of Texas at Austin (2019) and Professional Certificate, Google / Coursera (2023). AI-training focus includes data types such as Text and Audio and labeling workflows including Evaluation, Rating, and Transcription.

Labeling Experience

Data Quality Analyst and Content Evaluator - Freelance

TextRLHFClassification

Served as a Data Quality Analyst and Content Evaluator for remote clients across multiple platforms, ensuring accuracy and consistency of text and multimedia assets. Applied rubric-based QA and qualitative assessment methods to support downstream machine learning and enterprise content workflows. Collaborated with distributed teams to meet SLA deadlines while maintaining strong inter-annotator alignment and defect reporting. • Evaluated large volumes of content using structured rubrics and quality scoring • Performed sentiment, intent, and entity assessment to support NLP dataset readiness • Reviewed model outputs for factual inconsistencies and safety concerns during RLHF ranking • Conducted multilingual policy and cultural-context compliance checks for English datasets

2022 - Present

Data Quality Analyst & Content Evaluator (Freelance / Remote)

Text

Evaluated and quality-checked 1,000+ text and multimedia samples per week using structured rubrics, maintaining consistent accuracy above 97%. Performed NLP-focused annotations including sentiment analysis, intent classification, and entity annotation to support training datasets across multiple verticals. Conducted Reinforcement Learning from Human Feedback (RLHF) ranking by comparing model outputs and flagging factual inconsistencies and safety concerns. • Applied multilingual content review guidelines for cultural context accuracy and policy compliance • Collaborated with distributed global teams to meet SLA deadlines while maintaining inter-annotator agreement (IAA) • Used rubric-based evaluation and audit sampling to identify defects and benchmark quality • Reviewed English-language datasets for harmful content, misinformation, and safety risks

2022 - Present

Qualitative Research Assistant (Independent Contractor)

AudioTranscription

Transcribed and coded 50+ in-depth interview recordings and applied thematic analysis frameworks to extract actionable insights. Designed and administered structured questionnaires for market research studies to collect responses for downstream reporting. Managed structured data entry and cleaning in spreadsheet tools to reduce inconsistency across the collected dataset. • Produced presentation-ready research summaries for NGO and corporate clients • Performed thematic coding to organize qualitative outputs • Reduced data inconsistency rates by 30% via validation protocols • Supported qualitative data preparation from collected responses and interview transcripts

2020 - 2022

Education

Work History