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Viviane P.
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Viviane P.

AI Language Specialist | Portuguese Transcription | Data Annotation |

I help AI companies improve language models through accurate annotation, evaluation, and quality assurance. I am a native Brazilian Portuguese speaker with hands-on experience in AI language projects, specializing in transcription, ASR post-editing, data annotation, LLM response evaluation, and quality review. I work with precision, follow detailed guidelines, and consistently deliver high-quality results. Core Expertise - AI Data Annotation & Language Evaluation - LLM Response Evaluation & Quality Assurance (QA) - Portuguese Audio Transcription & ASR Post-Editing - English → Brazilian Portuguese Translation & Localization - Proofreading and Linguistic Quality Review - Speech Data Collection & Voice Recording - Data Validation, Research, and Content Review My background in Environmental Sciences and research has strengthened my analytical thinking, attention to detail, and ability to evaluate information objectively—skills that directly support AI training and data quality projects. If you need a reliable language specialist to improve AI systems with accurate human feedback, I'd be glad to help. Feel free to contact me.

🇧🇷Brasilia, Brazil$30/hr100% JSS5.00 (7)Since Apr 2025

Earnings and projects

MRR
$325

Last 6 months ÷ 6

World#95,160 / 412k
🇧🇷Country#1,142 / 4,647
Revenue, last 30 days
$292

Last 6 months: $1.9k

World#75,193 / 412k
🇧🇷Country#892 / 4,647
Total earnings
$3.8k

Billed in all: $4k

World#277,443 / 412k
🇧🇷Country#3,019 / 4,647
Per project
$183

$244 in the last 6 months

World#271,026 / 412k
🇧🇷Country#2,954 / 4,647
Projects, last 6 months
8
88% fixed12% hourly
World#24,500 / 412k
🇧🇷Country#187 / 4,647
Projects in all
21

Across 23 contracts

83% fixed17% hourly
World#128,798 / 412k
🇧🇷Country#973 / 4,647

Earnings, last 30 days

$4k+$292 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$3.6k$3.8k$4.0kOct 9Oct 24Nov 8

Skill rankings: Top 14% in Voice Recording

Ranked by MRR among everyone on Upwork with the skill.

  1. #86English to Brazilian Portuguese Translation403 freelancers · 🇧🇷 #70Top 21%
  2. #99English to Portuguese Translation577 freelancers · 🇧🇷 #54Top 17%
  3. #140UX Writing730 freelancers · 🇧🇷 #5Top 19%
  4. #154Transcript674 freelancers · 🇧🇷 #4Top 23%
  5. #155AI Audio Generation482 freelancers · 🇧🇷 #7Top 32%
  6. #188Academic Proofreading1,150 freelancers · 🇧🇷 #3Top 16%
  7. #353Voice Recording2,556 freelancers · 🇧🇷 #11Top 14%
  8. #555Audio Transcription2,774 freelancers · 🇧🇷 #16Top 20%