Walter G.

Key Skills

Software

Appen

Clickworker

Top Subject Matter

AI model training and linguistic quality evaluation

fact-checking and semantic analysis

Linguistic translation/localization and information validation (fact-checking)

Top Data Types

Text

Audio

Computer Code Programming

Top Task Types

Evaluation/Rating

Classification

Transcription

Question Answering

Freelancer Overview

AI Trainer / Linguistic Evaluator (Remote). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include N and A. AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Translation.

Labeling Experience

Translator and Fact-Checker (Freelance)

Text

Translate and localize content from English to Spanish with contextual adaptation and terminological precision. Validate information by comparing claims against reliable sources and prepare structured reports supported by verifiable evidence. Conduct critical reviews of digital content to ensure coherence and accuracy, functioning as a quality and fact-checking layer for text data. • English-Spanish translation with contextual and terminological precision. • Fact-check validation against reliable sources. • Structured reporting based on verifiable evidence. • Critical review of digital text for coherence and accuracy.

2024 - Present

AI Trainer / Linguistic Evaluator (Remote)

Text

Provide evaluation and optimization of responses generated by large AI models through linguistic quality and factuality checks. Perform data annotation and classification to support supervised AI training, including grammatical, contextual, and semantic corrections in English and Spanish. Identify inconsistencies, biases, and logical errors to improve the reliability of automated content. • Response evaluation using factuality criteria and inconsistency detection. • Text annotation and classification for supervised training. • Grammar, context, and semantic correction across English and Spanish. • Bias and logical error identification in AI-generated content.

2024 - Present

Education

Work History