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Arslan  J.
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Arslan J.

C#, ASP.NET Developer | Microservices AWS, Azure DevOps Specialist

Hi, I’m a Senior .NET developer with expertise in C#, ASP.NET Core (MVC, Web API, Blazor), and SQL Server, building high-performance ERP and CRM solutions that scale with business growth. My focus is on delivering secure, modular, and maintainable software architectures aligned with enterprise standards. Technical Expertise: Backend: ASP.NET Core, Web API, Entity Framework Core, LINQ, SignalR, gRPC Frontend: Blazor, Razor Pages, React/Angular integration with .NET APIs Databases: SQL Server, PostgreSQL, MongoDB; advanced queries, stored procs, indexing, performance tuning ERP/CRM Modules: Inventory, HR, Payroll, Finance, Customer Management, Task Tracking, Reporting Dashboards DevOps & Cloud: Azure (App Service, Functions, Key Vault, CI/CD Pipelines), Docker, Kubernetes, GitHub Actions Security & Compliance: JWT/OAuth2 authentication, IdentityServer, Role/Claim-based access, GDPR-ready data handling Integrations: Payment gateways (Stripe, PayPal), QuickBooks, Twilio, SendGrid, REST/GraphQL APIs Architecture Patterns: Microservices, Domain-Driven Design (DDD), Clean Architecture, CQRS, Event Sourcing What I Deliver: Custom ERP/CRM platforms tailored to your exact workflows Migration of legacy .NET apps to modern .NET 6/7/8 stacks API-first architectures for mobile/web integrations Performance optimization and scalable deployments End-to-end project ownership: design → development → CI/CD → cloud deployment I write clean, well-documented code with a focus on long-term maintainability. Whether you need to build a new ERP/CRM system from scratch or optimize an existing .NET solution, I can help you achieve enterprise-grade reliability and performance. ✅ Let’s connect to discuss how I can support your project with C#, ASP.NET, and ERP/CRM expertise. Thank you!

🇵🇰Lahore, Pakistan$25/hr100% JSS5.00 (2)Since Jun 2023

Earnings and projects

MRR
$2.9k

Last 6 months ÷ 6

World#13,301 / 412k
🇵🇰Country#1,456 / 52.9k
Revenue, last 30 days
$0

Last 6 months: $17k

Total earnings
$113k

Billed in all: $118k

World#34,175 / 412k
🇵🇰Country#2,593 / 52.9k
Per project
$56k

$17k in the last 6 months

World#727 / 412k
🇵🇰Country#29 / 52.9k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇵🇰Country#22,564 / 52.9k
Projects in all
2

Across 3 contracts

0% fixed100% hourly
World#328,886 / 412k
🇵🇰Country#48,197 / 52.9k

Earnings, last 30 days

$118kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$116k$118k$120k$122kOct 8Oct 23Nov 7

Skill rankings: Top 5% in Web Development

Ranked by MRR among everyone on Upwork with the skill.

  1. #41FinTech802 freelancers · 🇵🇰 #7Top 5%
  2. #81ASP.NET Web API1,447 freelancers · 🇵🇰 #18Top 6%
  3. #177ASP.NET2,819 freelancers · 🇵🇰 #24Top 6%
  4. #190.NET Framework2,944 freelancers · 🇵🇰 #23Top 6%
  5. #247.NET Core3,067 freelancers · 🇵🇰 #30Top 8%
  6. #381Angular6,816 freelancers · 🇵🇰 #42Top 6%
  7. #435SaaS Development5,201 freelancers · 🇵🇰 #133Top 8%
  8. #481C#8,348 freelancers · 🇵🇰 #47Top 6%