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Ezequiel C.
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Ezequiel C.

Senior AI Full-Stack Developer | Next.js, React, NodeJS, Supabase

👨‍💻 About Me I'm a Senior Software Engineer & Technical Leader with over 8 years of experience delivering scalable, high-performance web applications and APIs. I specialize in Next.js, React, NodeJS, .NET Core and Angular. 🧩 Core Skills Frontend: React, Angular, Next.js, Bootstrap, MUI Datagrid, Tailwind CSS Backend: .NET Core, Node.js Databases: SQL Server, MongoDB, Redis Dev Tools: Git, Azure DevOps, Docker, CI/CD pipelines 🔌 API Integration Expertise I have extensive experience integrating third-party services like: Stripe (payments) Calendly (scheduling) Auth0 (authentication) Facebook API (social platforms) These integrations are implemented with performance, security, and long-term maintainability in mind. 👥 Leadership Experience As a Technical Leader, I’ve: Led a team of 10 developers on an e-commerce builder platform Designed software architecture and improved backend performance Prioritized product requirements with stakeholders Conducted code reviews and mentored junior developers ✅ What You Can Expect Clean, maintainable code Reliable API integrations Performance-focused backend systems Clear communication and on-time delivery Let’s work together to bring your product vision to life!

🇦🇷Buenos Aires, Argentina$40/hr100% JSS5.00 (16)Since Jun 2017

Earnings and projects

MRR
$9.9k

Last 6 months ÷ 6

World#1,322 / 412k
🇦🇷Country#7 / 4,639
Revenue, last 30 days
$6.8k

Last 6 months: $60k

World#3,212 / 412k
🇦🇷Country#27 / 4,639
Total earnings
$188k

Billed in all: $197k

World#16,903 / 412k
🇦🇷Country#157 / 4,639
Per project
$7.5k

$4.6k in the last 6 months

World#22,458 / 412k
🇦🇷Country#261 / 4,639
Projects, last 6 months
13
23% fixed77% hourly
World#12,441 / 412k
🇦🇷Country#119 / 4,639
Projects in all
25

Across 30 contracts

30% fixed70% hourly
World#113,042 / 412k
🇦🇷Country#1,039 / 4,639

Earnings, last 30 days

$197k+$6.8k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$185k$190k$195k$200kOct 8Oct 23Nov 7

Skill rankings: Top 0.21% in ExpressJS

Top 1% in 15 of 15 skills, ranked by MRR among everyone on Upwork with the skill.

  1. 3MEAN Stack629 freelancers · 🇦🇷 #1Top 0.48%
  2. #12ExpressJS5,651 freelancers · 🇦🇷 #2Top 0.21%
  3. #14MERN Stack3,086 freelancers · 🇦🇷 #1Top 0.45%
  4. #17NestJS3,757 freelancers · 🇦🇷 #1Top 0.45%
  5. #18ASP.NET Core2,272 freelancers · 🇦🇷 #1Top 0.79%
  6. #22ASP.NET2,819 freelancers · 🇦🇷 #1Top 0.78%
  7. #25.NET Framework2,944 freelancers · 🇦🇷 #1Top 0.85%
  8. #30Angular6,816 freelancers · 🇦🇷 #1Top 0.44%