Ricardo Mena

Key Skills

Software

Appen

Clickworker

Lionbridge

Telus

Top Subject Matter

No subject matter listed

Top Data Types

Text

Top Label Types

Classification

Question Answering

Evaluation Rating

Freelancer Overview

I am an experienced AI training specialist and data annotator with a strong background in evaluating and labeling data to enhance machine learning systems. My work with platforms like Telus International, Appen, CrowdGen, and Prolific has given me hands-on expertise in annotating datasets, evaluating AI-generated content, and conducting search engine assessments. I excel at following complex guidelines, maintaining high accuracy, and ensuring consistency across large-scale projects. My skills include data labeling, content analysis, quality assurance, and web research, and I am proficient in various annotation platforms. I am committed to delivering reliable results in remote environments and contributing to the improvement of AI algorithms.

Labeling Experience

AI Data Annotation and Search Engine Evaluation Contributor

AppenTextClassificationQuestion Answering

Performed data annotation, labeling, and evaluation tasks to improve machine learning and AI model performance. Evaluated AI-generated responses, search engine results, and text data for quality, relevance, and accuracy. Followed detailed project guidelines and maintained high consistency standards across tasks. Contributed to training datasets used in large-scale language models and AI systems. Demonstrated strong attention to detail while working independently in remote annotation environments.

Performed data annotation, labeling, and evaluation tasks to improve machine learning and AI model performance. Evaluated AI-generated responses, search engine results, and text data for quality, relevance, and accuracy. Followed detailed project guidelines and maintained high consistency standards across tasks. Contributed to training datasets used in large-scale language models and AI systems. Demonstrated strong attention to detail while working independently in remote annotation environments.

2021 - 2025

Education

Work History