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Marusia I.

Marusia I.

AI Trainer | LLM Evaluator | Data Annotation | Virtual Assistant

I help AI companies improve Large Language Models through high-quality evaluation, annotation, research, and structured data management. Over the past several years, I have contributed to AI projects with Appen, Outlier, and RWS, evaluating AI-generated responses, performing prompt assessment, transcription, OCR annotation, and quality assurance while following detailed project guidelines. Alongside my AI experience, I bring more than 10 years of professional experience as a Virtual Office Assistant, managing CRM databases, research projects, lead generation, document processing, and administrative operations for international clients. My strengths include: • LLM Evaluation & AI Training • Data Annotation & Quality Assurance • Prompt Assessment • OCR Annotation & Transcription • Data Entry & Data Validation • Web Research • CRM Management • Lead Generation • Google Workspace & Microsoft Office I am detail-oriented, reliable, and comfortable working with large structured datasets where consistency and accuracy are essential. I enjoy long-term collaborations and always aim to deliver high-quality work on time.

🇧🇬Varna, Bulgaria$4/hr100% JSS5.00 (3)Since Dec 2012

Earnings and projects

MRR
$278

Last 6 months ÷ 6

World#101,315 / 412k
🇧🇬Country#231 / 1,161
Revenue, last 30 days
$95

Last 6 months: $1.7k

World#93,044 / 412k
🇧🇬Country#218 / 1,161
Total earnings
$68k

Billed in all: $70k

World#58,245 / 412k
🇧🇬Country#224 / 1,161
Per project
$34k

$1.7k in the last 6 months

World#2,225 / 412k
🇧🇬Country#13 / 1,161
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇧🇬Country#308 / 1,161
Projects in all
2

Across 3 contracts

0% fixed100% hourly
World#328,886 / 412k
🇧🇬Country#984 / 1,161

Earnings, last 30 days

$70k+$95 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$69,850$69,900$69,950$70,000Oct 8Oct 23Nov 7

Skill rankings: Top 17% in English to Bulgarian Translation

Ranked by MRR among everyone on Upwork with the skill.

  1. #16English to Bulgarian Translation94 freelancers · 🇧🇬 #14Top 17%
  2. #31Optical Character Recognition102 freelancers · 🇧🇬 #1Top 30%
  3. #141Microsoft Dynamics CRM497 freelancers · 🇧🇬 #1Top 28%
  4. #245LLM Prompt799 freelancers · 🇧🇬 #1Top 31%
  5. #268Video Transcription1,245 freelancers · 🇧🇬 #1Top 22%
  6. #617Audio Transcription2,774 freelancers · 🇧🇬 #1Top 22%
  7. #793Data Annotation2,301 freelancers · 🇧🇬 #2Top 34%
  8. #834Prompt Engineering2,859 freelancers · 🇧🇬 #4Top 29%