gabriel castro

Created SEO-driven content strategies and implemented SEO best practices while researching AI tools and documenting processes to improve content quality and discoverability.

Produced tutorials and documented workflows for AI image-generation tools (e.g., Stable Diffusion, Fooocus) and maintained content with reproducible parameters and processes.

Performed data entry, validation, and auditing to ensure dataset quality and compliance for downstream AI applications.

Transcribed and annotated NLP datasets, including Named Entity Recognition on Wikipedia articles, to support model training and evaluation.

Evaluated ads and annotated datasets to improve ad relevance algorithms and contributed to building datasets for AI and NLP applications.

Annotated and classified Instagram and Facebook content to support content moderation and social media understanding models.

Created training sentences for chatbots and conversational AI to improve intent recognition and dialogue coverage.

Transcribed data used for Microsoft NLP model development, ensuring accurate capture of source audio and text for training.

Evaluated ads and social media content to provide feedback that improved ranking and relevance algorithms.

Managed documents and protocol department processes to ensure administrative efficiency and compliance.

Provided internal and external administrative support, handling clerical tasks and stakeholder communication.

Completed secondary education with a high school diploma in Brazil.

Pursued undergraduate studies in Data Science but did not complete the degree.