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Anton S.
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Anton S.

Expert Full-Stack Dev | SaaS | Healthcare | eCommerce

Looking to build a robust, scalable web application that drives business results? I partner with founders and companies to transform complex requirements into high-performance platforms and SaaS applications. As a Top-Rated expert with over a decade of experience, I bring more than just code; I bring architectural insight and a commitment to quality that ensures your project succeeds. Why Choose Me? ✅ Top-Rated Upwork freelancer with $100K+ earned. ✅ 10+ years of professional experience and a Master's in Computer Applications. ✅ Proven success leading large-scale projects (including a $73k+ team lead role). ✅ Specialized in building SaaS, E-commerce, and Marketplace platforms. My Technology Stack: Frontend: React.js, Redux, Next.js, TypeScript, and all related ecosystem. Backend: Node.js, Express.js, NestJS, REST APIs, GraphQL. Databases: PostgreSQL, MongoDB, and more. DevOps: Docker, AWS, CI/CD, Azure, Google Cloud. Ready to discuss your project? Click the "Invite" button and let's schedule a call to see how I can help you achieve your goals.

🇵🇾Asuncion, Paraguay$50/hr100% JSS4.96 (19)Since May 2015

Earnings and projects

MRR
$32

Last 6 months ÷ 6

World#159,066 / 412k
🇵🇾Country#62 / 133
Revenue, last 30 days
$119

Last 6 months: $190

World#89,909 / 412k
🇵🇾Country#38 / 133
Total earnings
$167k

Billed in all: $169k

World#20,041 / 412k
🇵🇾Country#13 / 133
Per project
$8k

$63 in the last 6 months

World#20,981 / 412k
🇵🇾Country#12 / 133
Projects, last 6 months
3
67% fixed33% hourly
World#66,479 / 412k
🇵🇾Country#19 / 133
Projects in all
21

Across 28 contracts

43% fixed57% hourly
World#128,797 / 412k
🇵🇾Country#29 / 133

Earnings, last 30 days

$169k+$119 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$168.9k$169.0k$169.1kOct 8Oct 23Nov 7

Skill rankings: Top 24% in Elasticsearch

Ranked by MRR among everyone on Upwork with the skill.

  1. #42Database Maintenance119 freelancers · 🇵🇾 #1Top 35%
  2. #74MariaDB196 freelancers · 🇵🇾 #1Top 38%
  3. #226Elasticsearch946 freelancers · 🇵🇾 #1Top 24%
  4. #970GraphQL3,403 freelancers · 🇵🇾 #2Top 29%
  5. #3,157MongoDB10,865 freelancers · 🇵🇾 #1Top 29%
  6. #4,222MySQL14,471 freelancers · 🇵🇾 #3Top 29%
  7. #5,618TypeScript15,967 freelancers · 🇵🇾 #5Top 35%
  8. #8,706Node.js25,795 freelancers · 🇵🇾 #7Top 34%