Vanessa Hoyos Z

Key Skills

Software

Scale AI

Labelbox

Top Subject Matter

Large Language Models

Computer Vision

AI Research

Top Data Types

Text

Image

Top Task Types

RLHF

Classification

Freelancer Overview

Senior AI Data Annotator. Brings 7+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Scale AI and Labelbox. Education includes Global Tech Partners (, Senior AI Data Annotator (2022). AI-training focus includes data types such as Text and labeling workflows including RLHF and Classification.

Labeling Experience

Senior AI Data Annotator

Scale AITextRLHF

As a Senior AI Data Annotator at Global Tech Partners, I maintained expert-level status by delivering high-precision data labeling. I specialized in fine-tuning Spanish-language LLMs, ensuring optimal linguistic accuracy and nuance. My responsibilities encompassed large-scale RLHF and advanced computer vision annotation, contributing to high-impact research teams. • Delivered prompt and response rankings for large language model training improvements. • Identified and annotated critical edge cases to reduce model errors in computer vision projects. • Utilized multiple platforms (Scale AI, Outlier, Remotasks) for annotation and quality assurance. • Ensured 99%+ annotation accuracy and cross-cultural relevancy in all datasets.

As a Senior AI Data Annotator at Global Tech Partners, I maintained expert-level status by delivering high-precision data labeling. I specialized in fine-tuning Spanish-language LLMs, ensuring optimal linguistic accuracy and nuance. My responsibilities encompassed large-scale RLHF and advanced computer vision annotation, contributing to high-impact research teams. • Delivered prompt and response rankings for large language model training improvements. • Identified and annotated critical edge cases to reduce model errors in computer vision projects. • Utilized multiple platforms (Scale AI, Outlier, Remotasks) for annotation and quality assurance. • Ensured 99%+ annotation accuracy and cross-cultural relevancy in all datasets.

2022 - Present

Data Labeling Specialist

LabelboxTextClassification

As a Data Labeling Specialist at Fintech & Tech Solutions, I developed quality data sets for training AI models focused on financial transactions and sentiment analysis. My expertise covered both task creation and annotation, with an emphasis on compliance and integrity of processes. I successfully leveraged industry-standard platforms to execute labeling efficiently and accurately. • Built classification datasets for financial NLP and sentiment tasks. • Performed QA to ensure data consistency and eliminate bias in training sets. • Applied specialized interfaces like Labelbox, CVAT, and SageMaker for end-to-end annotation workflows. • Collaborated with cross-functional teams to refine guidelines and taxonomy for financial data.

As a Data Labeling Specialist at Fintech & Tech Solutions, I developed quality data sets for training AI models focused on financial transactions and sentiment analysis. My expertise covered both task creation and annotation, with an emphasis on compliance and integrity of processes. I successfully leveraged industry-standard platforms to execute labeling efficiently and accurately. • Built classification datasets for financial NLP and sentiment tasks. • Performed QA to ensure data consistency and eliminate bias in training sets. • Applied specialized interfaces like Labelbox, CVAT, and SageMaker for end-to-end annotation workflows. • Collaborated with cross-functional teams to refine guidelines and taxonomy for financial data.

2020 - 2022

Education

Work History