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Stefan F.
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Stefan F.

Freelancer

I am a detail-oriented and reliable professional with experience in web research, data quality control, virtual assistance, and maintaining accurate databases. Over the past several years, I have worked with large amounts of data, focusing on accuracy, consistency, and attention to detail. My experience includes verifying information, updating records, following structured workflows, and identifying inconsistencies while maintaining high-quality standards. I also have experience working with Slovak-speaking customers through communication and support-based roles, which helped me develop strong communication skills, responsiveness, and the ability to work efficiently in fast-paced environments. My skills include: • Web Research • Data Entry & Data Validation • Quality Assurance • Lead Generation • Virtual Assistance • Google Sheets & Excel • AI Training / Content Review • Online Research • Slovak, Serbian & English communication I am a quick learner, adaptable, and comfortable working independently. I always aim to provide accurate, efficient, and professional work while meeting deadlines and client expectations.

🇷🇸Beograd, Serbia$15/hr100% JSS5.00 (11)Since Oct 2017

Earnings and projects

MRR
$149

Last 6 months ÷ 6

World#123,527 / 412k
🇷🇸Country#1,105 / 4,015
Revenue, last 30 days
$514

Last 6 months: $892

World#62,109 / 412k
🇷🇸Country#591 / 4,015
Total earnings
$21k

Billed in all: $21k

World#137,612 / 412k
🇷🇸Country#1,779 / 4,015
Per project
$990

$223 in the last 6 months

World#124,748 / 412k
🇷🇸Country#1,422 / 4,015
Projects, last 6 months
4
50% fixed50% hourly
World#51,813 / 412k
🇷🇸Country#426 / 4,015
Projects in all
21

Across 22 contracts

82% fixed18% hourly
World#128,797 / 412k
🇷🇸Country#1,670 / 4,015

Earnings, last 30 days

$20.9k+$514 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$20.0k$20.5k$21.0kOct 8Oct 23Nov 7

Skill rankings: Top 20% in Serbian

Ranked by MRR among everyone on Upwork with the skill.

  1. #21Slovak59 freelancers · 🇷🇸 #3Top 36%
  2. #34Serbian168 freelancers · 🇷🇸 #21Top 20%
  3. #99Data Quality Assessment259 freelancers · 🇷🇸 #5Top 38%
  4. #237Transcript674 freelancers · 🇷🇸 #5Top 35%
  5. #458AI Model Training1,135 freelancers · 🇷🇸 #11Top 40%
  6. #1,464Typing5,170 freelancers · 🇷🇸 #18Top 28%
  7. #1,685Quality Assurance4,092 freelancers · 🇷🇸 #9Top 41%
  8. #1,823B2B Lead Generation4,880 freelancers · 🇷🇸 #5Top 37%