Vijaysinh J.

🏆 Ranked #1 Freelancer Worldwide for 12 consecutive years (2006–2017). I prefer quality over quantity. Give you best and get the best. Top Rated .NET/ASP.NET architect — $900K+ earned, 205 jobs delivered, 100% Job Success across 25+ years, with client relationships running 8+ years. I specialize in taking over legacy ASP Classic and ASP.NET systems, modernizing them without breaking what already works, and building the CRM, SaaS and automation layers businesses need next. Backed by a 20+ person team at Appliquer Technologies (my own company) for projects that need extra developers, UI/UX or QA — you get direct senior access, with team capacity when you need to scale. 🚀 What I Help Businesses Build ✅ Custom CRM & Sales Management Systems — Lead management, inquiries, customers, sales pipelines, follow-ups, dashboards, reporting, roles and workflows. ✅ SaaS Products — Multi-user platforms, subscriptions, dashboards, administration, integrations and scalable architecture. ✅ Custom Business Applications — Software designed around your specific business processes. ✅ AI Integration & Automation — AI workflows, document processing, chatbots, intelligent data processing, recommendations and AI API integrations. ✅ Existing Application Development — Take over existing codebases, fix issues, add features, improve performance and continue development. ✅ Legacy Application Modernization — Modernize older ASP/ASP.NET applications while protecting existing business logic. ✅ API Development & Integrations — REST APIs, third-party, payment, communication, maps, AI and business system integrations. ✅ Web & Mobile Applications — Customer-facing platforms, internal applications, dashboards and mobile apps. 💼 Industries We’ve Worked With Healthcare, Education, E-commerce & Retail, Finance, Real Estate, Logistics & Transportation, Manufacturing, Legal & Professional Services, Sales & Customer Management, Travel & Hospitality, and Technology & SaaS. 🛠️ Technical Expertise Backend: C#, ASP.NET Core, ASP.NET MVC, Web API, Classic ASP, VB.NET, PHP, Node.js Frontend: Angular, React, JavaScript, TypeScript, jQuery, AJAX, HTML5, CSS3, Bootstrap Databases: SQL Server, MySQL, MS Access Mobile: Flutter, React Native APIs: REST APIs, third-party, payment, communication, maps and AI integrations Cloud: Azure, AWS Other: WordPress, CMS, application maintenance and legacy modernization 🔧 Existing Application? I Can Help. One of my strongest areas is working with applications already in production. I can understand the existing architecture and business logic, fix issues, add features and create a practical path for improvement. The goal isn’t always to rebuild everything; often, the best solution is to improve the system step by step while keeping your business running. 🤖 Adding AI to Existing Applications I can identify where AI can provide real value and integrate it into your existing workflow, including AI assistants, document processing, data analysis, workflow automation, intelligent search, recommendations and AI features inside CRM/business applications. 👥 Work With Me or Scale With My Team You can hire me directly as a senior developer and technical lead. For larger projects, I can bring in developers, UI/UX designers and QA engineers from Appliquer Technologies while remaining involved in architecture, technical decisions, code quality and delivery. ⭐ What You Can Expect Business understanding, clean and maintainable development, strong existing-system experience, long-term thinking, direct communication and scalable resources when your project grows. Whether you need to build a CRM, develop a SaaS product, modernize a legacy application, add AI, integrate multiple platforms, or have an experienced developer take ownership of an existing application, I’d be happy to discuss your requirements. Tell me what you’re trying to build or improve, and let’s discuss the best approach.