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Sadam M.
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Sadam M.

VWO | AB Test Developer | CRO Developer | Growthbook

✨ Certified A/B Testing & CRO Developer | 4000+ Experiments | 7+ Years I help businesses, CRO agencies, and digital teams build and implement high-performing A/B tests that improve conversion rates and user experience. With 7+ years of frontend development experience and 1,500+ A/B tests successfully implemented, I combine strong development skills with a solid understanding of CRO, experimentation, UX, and conversion-focused development. 1. A/B Testing & CRO Expertise • 1,500+ A/B tests developed and implemented • Custom A/B test development and variation building • Conversion-focused landing page optimization • Audience targeting and personalization • Goal, event, and conversion tracking • Experiment troubleshooting and debugging • Pixel-perfect implementation from Figma/designs • Responsive and cross-browser testing 2. CRO Platforms Optimizely | VWO | AB Tasty | Adobe Target | Convert | Dynamic Yield | Kameleoon | Google Optimize | Crazy Egg | Marketo 3. Frontend Development HTML5 | CSS3 | JavaScript | jQuery | React | Angular | Vue.js | Shopify I can work directly with your existing website, design, analytics setup, or CRO platform to implement experiments accurately without compromising the existing user experience. 4. Why Clients Work With Me • 7+ years of frontend development experience • 1,500+ A/B tests implemented • Experience supporting CRO agencies and international teams • Strong understanding of both development and conversion optimization • Comfortable with simple experiments as well as complex custom implementations • Clean, maintainable code with accurate tracking Whether you need a developer to implement A/B tests in Optimizely, VWO, AB Tasty, or another platform, optimize a landing page, build custom experiment variations, fix tracking issues, or support your ongoing CRO program, I’m ready to help. Let’s turn your website traffic into measurable growth. Sadam

🇮🇳Ahmedabad, India$24/hr100% JSS5.00 (4)Since Sep 2022

Earnings and projects

MRR
$4

Last 6 months ÷ 6

World#178,290 / 412k
🇮🇳Country#18,826 / 45.9k
Revenue, last 30 days
—

Read daily since Oct 16, under 30 days

Total earnings
$20k

Billed in all: $21k

World#140,475 / 412k
🇮🇳Country#18,987 / 45.9k
Per project
$3.3k

$24 in the last 6 months

World#50,698 / 412k
🇮🇳Country#5,845 / 45.9k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
6

Across 10 contracts

0% fixed100% hourly
World#250,290 / 412k
🇮🇳Country#31,808 / 45.9k

Earnings, last 30 days

$21.1kNothing earned since Oct 16Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$20,750$21,000$21,250$21,500Oct 16Oct 27Nov 7

Tracked from Oct 16, 2026.

Skill rankings: Top 29% in jQuery

Ranked by MRR among everyone on Upwork with the skill.

  1. 2Wingify Visual Website Optimizer2 freelancers · 🇮🇳 #1Top 100%
  2. 3Multivariate Testing8 freelancers · 🇮🇳 #3Top 38%
  3. #8AB Tasty17 freelancers · 🇮🇳 #3Top 47%
  4. #10Adobe Target27 freelancers · 🇮🇳 #6Top 37%
  5. #18Convert Experiences37 freelancers · 🇮🇳 #3Top 49%
  6. #22Visual Website Optimizer44 freelancers · 🇮🇳 #3Top 50%
  7. #23Optimizely60 freelancers · 🇮🇳 #5Top 38%
  8. #28A/B Testing Software42 freelancers · 🇮🇳 #4Top 67%