Daniel Delgadillo

Key Skills

Software

Appen

Clickworker

Data Annotation Tech

Top Subject Matter

No subject matter listed

Top Data Types

Audio

Image

Text

Top Task Types

Evaluation Rating

Prompt Response Writing SFT

Question Answering

Text Generation

Text Summarization

Freelancer Overview

I Bring over four years of hands-on experience in data labeling and AI training, contributing to the development of advanced machine learning models in both structured and unstructured data environments. My work spans content creation, prompt engineering, and response evaluation for large language models, as well as image and search relevance tasks. I have a strong grasp of annotation standards and quality control processes, consistently meeting high accuracy benchmarks across diverse AI domains. I have the ability to balance precision and speed while working independently in remote settings. I'm skilled in evaluating nuanced linguistic elements such as tone, clarity, and factual accuracy, and have provided justifications that have directly informed model improvements. My combined background in data annotation and financial analysis gives me a rare analytical edge, allowing me to approach AI tasks with both technical accuracy and contextual understanding.

Labeling Experience

Audio Data Labeling

Data Annotation TechAudioClassificationTranslation Localization

Labeled and transcribed English audio files for AI model training. Tasks included identifying speaker changes, labeling background noise, and ensuring high transcription accuracy based on client guidelines. Worked on short and long-form speech across multiple accents. Adhered to quality control standards and tight deadlines.

Labeled and transcribed English audio files for AI model training. Tasks included identifying speaker changes, labeling background noise, and ensuring high transcription accuracy based on client guidelines. Worked on short and long-form speech across multiple accents. Adhered to quality control standards and tight deadlines.

2023 - 2024

Prompt & Response Evaluation

Data Annotation TechTextClassificationText Generation

Created high-quality prompts and evaluated AI-generated responses for coherence, helpfulness, tone, factual accuracy, and alignment with instructions. Assigned detailed ratings and provided justifications to guide model training and fine-tuning. Worked closely with task guidelines to ensure model safety and reliability. Contributed to improvements in instruction-following behavior and natural language fluency.

Created high-quality prompts and evaluated AI-generated responses for coherence, helpfulness, tone, factual accuracy, and alignment with instructions. Assigned detailed ratings and provided justifications to guide model training and fine-tuning. Worked closely with task guidelines to ensure model safety and reliability. Contributed to improvements in instruction-following behavior and natural language fluency.

2020 - 2024

Education

Work History