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Usman A.

Usman A.

.NET Full Stack Developer | Fintech, Payments & Bank APIs Integrations

I am a .NET Full Stack Developer with 17+ years of experience building secure, scalable, and high-performance applications, with deep, hands-on experience in Fintech, Payments, and Financial Systems. I help fintech and financial businesses with: ✔ Payment Gateway & Remittance System integrations ✔ Web API integrations (banking, exchange, and third-party financial services) ✔ ASP.NET Core / MVC development ✔ SQL Server optimization and complex financial reporting queries ✔ IIS deployment & server configuration ✔ Improving performance, fixing bugs, and refactoring legacy financial systems ✔ Windows Services, Console Apps, and Background Jobs (for automated transaction processing, reconciliation, and reporting) Why clients hire me: ⭐ Real experience on financial, exchange house, and fintech platforms — not just general web development ⭐ Clean, well-structured, and fully tested code, built with security and compliance in mind ⭐ Fast communication and on-time delivery ⭐ Ability to understand business and financial workflows, not just write code If you're looking for a .NET developer who understands the fintech and payments space specifically, I'm ready to help. Let's discuss your project.

🇵🇰Lahore, Pakistan$45/hr100% JSS3.67 (5)Since Oct 2013

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#328,534 / 412k
🇵🇰Country#39,986 / 52.9k
Revenue, last 30 days
$0
Total earnings
$2.1k
World#328,534 / 412k
🇵🇰Country#39,986 / 52.9k
Per project
$424
Projects, last 6 months
0
World#209,850 / 412k
🇵🇰Country#32,103 / 52.9k
Projects in all
5

Across 7 contracts

86% fixed14% hourly
World#266,042 / 412k
🇵🇰Country#41,894 / 52.9k

Earnings, last 30 days

$2.1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$2,075$2,100$2,125$2,150Oct 8Oct 23Nov 7

Skills