Mihailo K.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Enterprise Software Architect | Helping Companies Build Software That Scales Building enterprise software isn't just about writing code—it's about designing systems that remain reliable, maintainable, and scalable for years. I'm an Enterprise Software Architect with 15+ years of experience delivering mission-critical software for clients across the United States, United Kingdom, and Europe. My background spans enterprise architecture, SaaS product development, ERP systems, CRM platforms, billing solutions, workforce management, and IT Service Management. Over the course of my career, I've helped startups launch products from scratch, modernized legacy enterprise applications, designed complex database architectures, and built systems used daily by thousands of users. I work with founders, CTOs, and engineering teams who need more than just a developer—they need someone who understands both technology and business. - What I Can Help You Build - ✔ Enterprise SaaS Platforms ✔ ERP Systems ✔ CRM Platforms ✔ Business Applications ✔ IT Service Management (ITSM) ✔ Help Desk Systems ✔ Customer Portals ✔ Internal Business Tools ✔ Enterprise APIs ✔ Desktop Applications ✔ Cloud-ready Backend Systems ✔ Database Architecture ✔ Technical Consulting - My Core Expertise - Software Architecture I design scalable architectures that reduce technical debt and support long-term business growth. Full Stack Development From database to backend APIs to modern frontend applications. Enterprise Integrations Connecting complex business systems through secure, reliable APIs and integrations. Product Development Helping companies transform ideas into commercial software products. Performance Optimization Improving application performance, database efficiency, and maintainability. - Why Clients Choose Me - ✓ I understand business—not just code. ✓ I design software before writing software. ✓ I communicate clearly throughout the project. ✓ I write clean, maintainable, enterprise-grade code. ✓ I think long term. ✓ I enjoy solving difficult technical problems. ✓ I build software that businesses can confidently rely on. - Technical Stack - Backend C# | .NET | .NET Core | ASP.NET MVC | ASP.NET Web API | WCF | Entity Framework | Dapper Frontend Vue.js | Angular | JavaScript | TypeScript | HTML5 | CSS3 | Bootstrap Desktop WPF | MVVM | Windows Forms Databases SQL Server | Oracle | Database Design | Performance Tuning Architecture Clean Architecture | SOLID Principles | Design Patterns | REST APIs | Enterprise Integrations | CI/CD - Let's Talk - Whether you need a software architect, senior full-stack engineer, or technical partner to guide your product from concept to production, I'd be happy to discuss your project. Let's build something that lasts.