Native Brazilian Portuguese speaker with strong attention to detail and excellent listening skills. I have experience with data entry, transcription, and audio labeling for AI projects. I’m passionate about contributing to language technology development and can follow strict annotation guidelines. Reliable, organized, and ready to start immediately for remote work.

Leonardo Costa de Jesus

Native Brazilian Portuguese speaker with strong attention to detail and excellent listening skills. I have experience with data entry, transcription, and audio labeling for AI projects. I’m passionate about contributing to language technology development and can follow strict annotation guidelines. Reliable, organized, and ready to start immediately for remote work.

Available to hire

Native Brazilian Portuguese speaker with strong attention to detail and excellent listening skills.
I have experience with data entry, transcription, and audio labeling for AI projects.
I’m passionate about contributing to language technology development and can follow strict annotation guidelines.
Reliable, organized, and ready to start immediately for remote work.

See more

Language

Portuguese
Fluent
English
Intermediate
Spanish; Castilian
Beginner

Work Experience

Administrative Assistant at Tubomills - Embasa
February 23, 2025 - Present
Data organization, document control, and customer communication. Supported office operations and assisted technical teams. Worked with Excel spreadsheets, scheduling, and inventory management.

Education

Add your educational history here.

Qualifications

Certificate in Microsoft Office
May 12, 2023 - August 13, 2023
Certificate in Administrative Assistance
February 23, 2025 - September 12, 2025
AI annotation and transcription (learning focus)
November 12, 2025 - November 12, 2025