Charles B.

Key Skills

Software

Other

Appen

Data Annotation Tech

Dataloop

LabelImg

Label Studio

Labelbox

Lionbridge

AWS SageMaker

Anno-Mage

Top Subject Matter

Search engine / ad content evaluation for AI training

AI data operations

quality assurance

Top Data Types

Text

Video

Image

Top Task Types

RLHF

Data Collection

Transcription

Evaluation/Rating

Prompt + Response Writing (SFT)

Text Summarization

Question Answering

Text Generation

Classification

Segmentation

Freelancer Overview

Search Engine Evaluator (Freelance Generalist) — Human-in-the-loop AI Trainer. Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, National Open University. AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and RLHF.

Labeling Experience

Operations & AI Automation Specialist

OtherTextRLHF

Designed and implemented automated workflows to clean, transform, and manage large datasets used for operational inputs and system training/evaluation. Maintained data hygiene by identifying and correcting anomalies in datasets supporting reporting and system usage. Evaluated system outputs for logical consistency, accuracy, and alignment with project constraints, mirroring RLHF and quality assurance frameworks. • Automated data cleaning and transformation pipelines • Performed QA checks on dataset integrity and anomalies • Validated system outputs for constraint adherence • Used Python and SQL to query databases and extract insights

2024 - Present

Search Engine Evaluator (Freelance Generalist) — Human-in-the-loop AI Trainer

OtherText

Evaluated and rated AI-generated search results and advertisements as a human-in-the-loop trainer following detailed project guidelines. Assessed content for relevance, factual accuracy, and user intent, then provided structured feedback to improve model performance. Flagged inaccurate, sensitive, inappropriate, or unclear content to support AI safety, reliability, and quality standards. • Rated AI outputs against guideline criteria • Wrote actionable feedback for model improvement • Identified and escalated content quality and safety issues • Ensured outputs aligned with user intent

2025 - 2026

Search Engine Evaluator — Content classification and reporting

OtherText

Reviewed and classified social media content (text, images, and video) according to defined evaluation criteria for content quality and relevance. Prepared and analyzed datasets to produce regular reports on content trends and operational performance. Assessed content from an end-user perspective to ensure suitability for a global audience. • Classified content using project rubrics • Performed relevance and quality assessments • Reported on trends and evaluation outcomes • Analyzed datasets for operational reporting

2023 - 2024

Education

Work History