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Merlery Esmeralda C.
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Merlery Esmeralda C.

Senior Data Annotator & QA Lead

Expert Data Labeling & Quality Assurance for AI Models With 7+ years of professional experience across platforms like Remotasks (as a Trainer), Epinote, and Toloka, I deliver high-precision datasets for machine learning. I specialize in complex annotation tasks where accuracy and consistency are non-negotiable. 🛠Technical Expertise & Tools: ✅Platforms: Expert in CVAT, Dataloop, DriveX, and proprietary internal tools. ✅Computer Vision: 2D/3D Bounding Boxes, Polygons, Semantic Segmentation, and Keypoints. ✅Video & LiDAR: Object tracking, temporal consistency, and Point Cloud annotation. ✅Quality Control: Proven track record in QA, Auditing, and Training annotation teams to reach 99%+ accuracy. 🤔Why Work With Me?💼 I offer deep technical adaptability and a "quality-first" mindset developed through years of lead-level experience. I ensure your data is gold-standard and ready for model training with minimal supervision. Ready to discuss your project requirements. Let’s connect!📧

🇻🇪Caracas, Venezuela$7/hr100% JSS5.00 (4)Since Nov 2019

Earnings and projects

MRR
$382

Last 6 months ÷ 6

World#88,700 / 412k
🇻🇪Country#884 / 3,245
Revenue, last 30 days
$27

Last 6 months: $2.3k

World#102,335 / 412k
🇻🇪Country#1,060 / 3,245
Total earnings
$12k

Billed in all: $13k

World#181,995 / 412k
🇻🇪Country#1,540 / 3,245
Per project
$1.3k

$1.1k in the last 6 months

World#103,443 / 412k
🇻🇪Country#960 / 3,245
Projects, last 6 months
2

Across 3 contracts

67% fixed33% hourly
World#88,918 / 412k
🇻🇪Country#612 / 3,245
Projects in all
9

Across 12 contracts

50% fixed50% hourly
World#212,268 / 412k
🇻🇪Country#1,257 / 3,245

Earnings, last 30 days

$13.1k+$27 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$13,080$13,100$13,120Oct 8Oct 23Nov 7

Skill rankings: Top 22% in Text Recognition

Ranked by MRR among everyone on Upwork with the skill.

  1. #5Text Recognition23 freelancers · 🇻🇪 #1Top 22%
  2. #23Image Recognition77 freelancers · 🇻🇪 #1Top 30%
  3. #62Image Segmentation209 freelancers · 🇻🇪 #4Top 30%
  4. #66CVAT204 freelancers · 🇻🇪 #6Top 32%
  5. #77Data Segmentation212 freelancers · 🇻🇪 #3Top 36%
  6. #142Video Annotation464 freelancers · 🇻🇪 #4Top 31%
  7. #197Image Annotation592 freelancers · 🇻🇪 #8Top 33%
  8. #575Data Analytics2,601 freelancers · 🇻🇪 #4Top 22%