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Shubham B.

Shubham B.

AI & Machine Learning | Data Annotation, AI Data Annotation Skills

I specialize in data annotation and quality assurance, bringing over 6 years of experience in creating high-accuracy training datasets for AI and machine learning systems. My expertise encompasses rigorous annotation QA, data validation, and guideline enforcement across various formats including text, image, video, and documents. I have a proven track record of maintaining over 95% annotation accuracy through meticulous quality control and continuous workflow improvement. Collaborating with cross-functional teams, I enhance data quality and optimize annotation guidelines for large-scale AI data pipelines. I implement effective quality control frameworks, ensuring consistency and scalability in every project. If you need a detail-oriented professional who can elevate your AI data processes, let's discuss how I can contribute to your success.

🇮🇳Kolkata, India$12/hr90% JSSSince Apr 2026

Earnings and projects

MRR
$1.9k

Last 6 months ÷ 4.5 months active (since Jun 2026)

World#24,804 / 412k
🇮🇳Country#3,044 / 45.9k
Revenue, last 30 days
$2.1k

Last 6 months: $8.4k

World#20,410 / 412k
🇮🇳Country#2,535 / 45.9k
Total earnings
$8.5k

Billed in all: $9.3k

World#210,034 / 412k
🇮🇳Country#26,033 / 45.9k
Per project
$8.5k

$8.4k in the last 6 months

World#19,532 / 412k
🇮🇳Country#2,073 / 45.9k
Projects, last 6 months
1
0% fixed100% hourly
World#128,095 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
1
0% fixed100% hourly
World#360,674 / 412k
🇮🇳Country#42,133 / 45.9k

Earnings, last 30 days

$9.3k+$2.1k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$6k$8k$10kOct 9Oct 24Nov 8

Skill rankings: Top 4% in Image Annotation

Ranked by MRR among everyone on Upwork with the skill.

  1. #12Reinforcement Learning214 freelancers · 🇮🇳 #2Top 6%
  2. #15Generative AI Prompt325 freelancers · 🇮🇳 #2Top 5%
  3. #18Data Quality Assessment259 freelancers · 🇮🇳 #3Top 7%
  4. #18Transaction Processing238 freelancers · 🇮🇳 #1Top 8%
  5. #21Multimodal Large Language Model177 freelancers · 🇮🇳 #4Top 12%
  6. #22Image Annotation592 freelancers · 🇮🇳 #2Top 4%
  7. #23Video Annotation464 freelancers · 🇮🇳 #5Top 5%
  8. #51AI Data Analytics535 freelancers · 🇮🇳 #6Top 10%