Muhammad B.
.NET Developer | CRM, ERP & SaaS Applications | AI Automation
Building a SaaS product or a multi-tenant platform and need a developer who understands both the code and the business it has to run? That's the work I focus on. I'm Muhammad Bilal, a .NET developer with 7+ years building business applications on ASP.NET Core, and I'm also building my own SaaS product — CoWorkly, a CRM for coworking spaces — which means I'm not just implementing tickets, I've dealt firsthand with the workflow, multi-tenancy, and billing decisions a real SaaS product forces you to make. What I bring to a SaaS or CRM build: - Multi-tenant architecture on ASP.NET Core and SQL Server - Clean Architecture, CQRS, and MediatR for maintainable, testable business logic - Membership, booking, and workflow logic — the kind of business rules that don't fit a CRUD tutorial - Automated billing and invoicing flows - Role-based access control across tenants and user types - REST APIs for integrations with payment providers, CRMs, and other systems Why the CoWorkly experience matters: running my own SaaS product means I've made the mistakes and trade-offs a purely contract developer usually doesn't see — what happens when a schema decision made at 10 tenants breaks at 200, how billing edge cases surface in production, what actually gets used versus what looked good in a spec. How I work: I try to understand the business model before the data model. I communicate in plain terms, flag scope or architecture risks early, and build for the version of your product that exists in a year, not just the one due Friday. If you're building a SaaS platform, CRM, or multi-tenant system and want a developer who thinks about the business as much as the code, let's talk about where you're stuck. Thanks, Muhammad Bilal .NET Developer | CRM, ERP & SaaS Applications
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $1.7k
Billed in all: $25,176$25k
$333 in the last 6 months
Across 55 contracts
Earnings, last 30 days
Skill rankings: Top 18% in ASP.NET MVC
Ranked by MRR among everyone on Upwork with the skill.
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