Hire the Best Infovisa MAUI Specialists

🏆 Top Rated Upwork Freelancer | Full-Stack Developer | .NET MAUI & Xamarin Migration Specialist I help businesses build powerful, scalable, and user-friendly mobile and web applications with a strong focus on performance, clean architecture, and long-term maintainability. With hands-on experience in cross-platform development, backend systems, and quality assurance, I deliver complete solutions that are stable, modern, and ready for real-world users. 🚀 My Core Expertise 📱 Cross-Platform Mobile Development * .NET MAUI * Xamarin.Forms * Flutter I create smooth, responsive, and high-performance mobile applications for Android and iOS with native-like user experiences. 🔄 Xamarin to .NET MAUI Migration Expert Successfully migrated 27+ Xamarin applications to .NET MAUI, helping clients modernize their apps, improve performance, and ensure future scalability with Microsoft’s latest technologies. 🖥️ Backend Development * ASP.NET Core * REST API Development * Python Django * Authentication & Secure APIs * Database Integration I build secure and scalable backend systems that support enterprise-level mobile and web applications. 🎨 Frontend & Web Development * HTML5 * CSS3 * JavaScript * Bootstrap * Vue.js From responsive business websites to dynamic web platforms, I create clean and modern interfaces optimized for speed and usability. 🧪 QA Testing & App Stability Quality is always a priority. I perform: * Manual Testing * Functional Testing * UI/UX Testing * Bug Reporting & Tracking * Release Validation I ensure applications are polished, stable, and production-ready before deployment. ✅ Why Clients Choose Me * Top Rated Upwork Freelancer * 100% Job Success Score * Strong Communication & Fast Response * Clean, Maintainable Code * On-Time Delivery * Long-Term Client Support ⭐ I focus on building reliable applications that not only work well today but are also easy to scale and maintain in the future. Whether you need: * A new mobile app * Xamarin to MAUI migration * Full-stack web development * API integration * App maintenance & bug fixing * QA testing support I’m here to help turn your idea into a successful product. Let’s build something great together!

🚀 Senior .NET Architect | Microsoft AI Specialist | 40+ Upwork Projects | 13,000+ Verified Hours | .NET | Azure Cloud | Blazor | Immediate Availability Hi! I'm a Top-Rated Plus .NET Specialist with 13,000+ verified Upwork hours and 40+ successfully delivered projects on this platform. I specialize in building scalable, enterprise-grade applications using the complete Microsoft technology stack. My expertise spans from backend architecture to AI-powered solutions and cloud infrastructure on Azure. ⭐ Why I'm Your Ideal .NET Partner on Upwork: • 13,000+ Verified Hours - Extensive hands-on experience across diverse industries • 40+ Completed Projects - Proven track record of successful deliveries • 100% Job Success Score - Consistent 5-star client feedback • Top-Rated Plus Status - Upwork's highest achievement level • Immediate Availability - Can start within 24 hours • Long-Term Focus - 80% of clients become long-term partners 🛠️ Comprehensive Technical Services: ▸ Enterprise .NET Development .NET 8, .NET Core, C#, ASP.NET Core MVC, Web API, Microservices, Entity Framework Core, Dapper, REST APIs, gRPC, SignalR ▸ Microsoft Azure Cloud Solutions Azure App Services, Azure Functions, Azure SQL, Azure DevOps, Docker, Kubernetes, CI/CD Pipelines, Cloud Migration, Cost Optimization, Infrastructure as Code ▸ AI & Intelligent Applications Microsoft AI Integration, OpenAI/ChatGPT APIs, Agentic AI Development, Custom AI Solutions, Machine Learning Implementation, AI-Powered Features ▸ Modern Frontend Development Blazor Server & WASM, Razor Pages, Angular, React, Vue.js, TypeScript, JavaScript, HTML5, CSS3, Bootstrap, Tailwind CSS ▸ Cross-Platform Mobile & Desktop .NET MAUI, Blazor Hybrid, WPF, WinForms, Windows Applications, Mobile App Development ▸ E-Commerce & CMS Solutions NopCommerce Customization, Umbraco Development, ABP Framework, ASP.NET Zero, SaaS Platforms, Multi-tenant Architecture ▸ Database & Performance Optimization SQL Server, PostgreSQL, MySQL, MongoDB, Redis Caching, Database Design, Query Optimization, Performance Tuning ✅ Client-Centric Approach: 🔹 Transparent Communication - Daily progress updates and regular sync-ups 🔹 Clean Code Standards - Maintainable, testable, and scalable codebase 🔹 Performance Excellence - Optimized applications for speed and reliability 🔹 Security First - Enterprise-grade security implementation 🔹 Agile Methodology - Flexible adaptation to changing requirements 🔹 On-Time Delivery - Consistent deadline adherence 🔹 Quality Assurance - Comprehensive testing and bug-free delivery 🔹 Long-Term Support - Ongoing maintenance and feature updates 📊 Recent Project Success Stories: • Enterprise SaaS Platform - Built with .NET 8 + Blazor | 6-month project | 5-star rating • E-Commerce Migration - NopCommerce customization | Completed 2 weeks ahead of schedule • AI-Powered Web Application - .NET Core + OpenAI integration | 4.9/5 client satisfaction • Mobile Banking App - .NET MAUI cross-platform | Delivered 15% under budget • Legacy System Modernization - ASP.NET WebForms to .NET 8 migration | 40% performance improvement • Azure Cloud Infrastructure - Microservices architecture setup | 99.9% uptime achieved 🎯 Ideal For Your Next Project: ✅ Building new web/mobile applications from scratch ✅ Modernizing legacy .NET systems to latest frameworks ✅ Integrating AI capabilities into existing applications ✅ Azure cloud migration and infrastructure optimization ✅ E-commerce platform development and customization ✅ Enterprise SaaS application development ✅ API development and third-party integrations ✅ Long-term technical partnership and team augmentation 📞 Let's Discuss Your Vision! I offer COMPLIMENTARY technical consultation to: • Deep-dive into your project requirements • Provide detailed technical recommendations • Share portfolio of similar completed work • Offer accurate timeline and budget estimates • Start with a risk-free trial period 🔍 Technical Expertise & Keywords: .NET Developer, .NET Core Developer, Senior C# Developer, Azure Developer, Blazor Developer, Full Stack Developer, ASP.NET Developer, MAUI Developer, Software Architect, AI Developer, Microservices Developer, Web API Developer, Entity Framework Expert, Angular Developer, React Developer, TypeScript Developer, SQL Server Developer, DevOps Engineer, E-commerce Developer, SaaS Developer, NopCommerce Expert, Umbraco Developer, Cloud Architect, .NET Consultant, Technical Lead, Backend Developer, Frontend Developer, Mobile Developer, .NET 8 Specialist, OpenAI Developer, ChatGPT Integration, Azure Functions, Docker Expert, Kubernetes Specialist, Database Architect, Performance Optimizer, Legacy Modernization, Team Lead, Solution Architect

Hi! I’m Domingo Ruiz a backend-first engineer with 4+ years building and maintaining REST APIs and microservices in corporate/regulated environments, including recent contractor work with AmTrust North America (USA). I specialize in designing production-ready backend systems with .NET and Java microservices (Quarkus/Spring Boot), API security (OAuth2/JWT), and SQL performance tuning. I can also support UI integration when needed using ASP.NET MVC, Blazor, and React (API consumption and backend integration). What I deliver: Backend APIs with .NET 8 / ASP.NET Core (clean architecture, SOLID, maintainable code) Java microservices with Quarkus / Spring Boot (REST endpoints, validation, documentation) REST API design with JSON/XML, OpenAPI/Swagger, and clear contracts SQL performance and troubleshooting (query optimization, indexing, slow endpoint analysis) Security and auth patterns (OAuth2/JWT, Keycloak) Testing and quality (xUnit, JUnit/Mockito), CI/CD, Docker, basic Kubernetes exposure Production/staging support, debugging, and collaboration with distributed teams If you share your goal (new API, modernization, performance, integration, stabilization), I’ll propose a clear plan and ship in small, reliable iterations with frequent communication.

🏆 Top Rated .NET MAUI & Xamarin / Flutter Mobile Application Developer 📈 $50K+ Earnings | 🎯 100% Job Success | 🕒 2500+ Hours | ✅ 85+ Projects Completed Delivering high-quality Android & iOS apps. .NET MAUI Developer | Xamarin.Forms Developer | Flutter Developer | Cross Platform App Developer | Mobile App Development Expert | Android & iOS App Developer | .NET MAUI Migration Expert Certified Mobile App Developer with 7+ years of experience and 85+ successful projects — developing cross-platform mobile applications using .NET MAUI, Xamarin.Forms, and Flutter that deliver performance, scalability, and seamless user experiences. My name is 𝙈𝙤𝙝𝙖𝙢𝙢𝙖𝙙 𝙎𝙪𝙝𝙚𝙡, a Full Stack Mobile App Developer specializing in .NET MAUI, Xamarin.Forms, and Flutter. I build high-quality, modern, and user-friendly mobile applications that are responsive, fast, and business-driven — designed to run flawlessly on Android, iOS, Windows, and macOS. Whether you need a new mobile app, a migration from Xamarin.Forms to .NET MAUI, or a Flutter-based solution, I ensure your app is future-ready and performance-optimized. Completed 30+ Xamarin.Forms → .NET MAUI migration projects, including large-scale, feature-rich, and mission-critical applications. 𝙈𝙤𝙗𝙞𝙡𝙚 𝘼𝙥𝙥 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 𝙎𝙚𝙧𝙫𝙞𝙘𝙚𝙨 𝙄 𝙊𝙛𝙛𝙚𝙧 .NET MAUI Cross-Platform App Development Xamarin.Forms Mobile App Development Flutter App Development (Android, iOS, macOS, Windows) Xamarin.Forms → .NET MAUI Migration & Upgrade Custom UI/UX (Figma → XAML / Flutter Widgets) Firebase, REST API, and Azure Integration App Store & Play Store Submission Mobile App Redesign & Performance Optimization App Maintenance, Debugging & Version Upgrades 𝙈𝙮 𝙎𝙠𝙞𝙡𝙡𝙨 & 𝙀𝙭𝙥𝙚𝙧𝙩𝙞𝙨𝙚 ▪ .NET MAUI App Developer ▪ Xamarin.Forms App Developer ▪ Flutter App Developer ▪ Xamarin.Forms to .NET MAUI Migration Expert ▪ Cross Platform App Development (Android, iOS, Windows, macOS) ▪ Firebase & REST API Integration ▪ App Store & Play Store Publishing ▪ MVVM Architecture & Shell Navigation ▪ Offline Support & Push Notifications ▪ In-App Purchases & Subscription Management ▪ C#, XAML, Dart, Kotlin, Swift ▪ Git, Azure DevOps, GitHub, Bitbucket ▪ Clean Code & Performance Optimization ▪ Blazor Hybrid with .NET MAUI ✅ 𝙒𝙝𝙮 𝘾𝙝𝙤𝙤𝙨𝙚 𝙈𝙚 𝘼𝙨 𝙔𝙤𝙪𝙧 𝙈𝙤𝙗𝙞𝙡𝙚 𝘼𝙥𝙥 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙚𝙧 ✔️ 7+ years of hands-on experience in Mobile App Development ✔️ Expert in .NET MAUI, Xamarin.Forms, and Flutter ✔️ 85+ successful projects completed across global industries ✔️ Specialized in Cross Platform App Development ✔️ Proven Xamarin.Forms → .NET MAUI Migration Expert ✔️ Clean, scalable, and maintainable codebase ✔️ Expertise in App Store / Play Store Deployment ✔️ Reliable long-term support and communication 🚀 𝙇𝙚𝙩’𝙨 𝘽𝙪𝙞𝙡𝙙 𝙔𝙤𝙪𝙧 𝘼𝙥𝙥 𝙏𝙤𝙜𝙚𝙩𝙝𝙚𝙧 When you hire me as your Mobile App Developer, you get: ✔️ High-performance, responsive mobile applications ✔️ Cross-platform apps using .NET MAUI, Xamarin.Forms & Flutter ✔️ SEO-optimized listings and store compliance ✔️ Ongoing updates, maintenance, and optimization ✔️ Dedicated support and post-launch assistance I’m passionate about crafting user-focused mobile applications that combine modern design, optimized performance, and solid architecture. Whether you need a .NET MAUI app, a Flutter app, or a migration from Xamarin.Forms, I’ll deliver an app that drives results and growth. 📩 Let’s discuss your mobile app project today and bring your vision to life! 🔍 𝙆𝙚𝙮𝙬𝙤𝙧𝙙𝙨 .NET MAUI Developer, Xamarin.Forms Developer, Flutter Developer, Mobile App Developer, Cross Platform App Developer, .NET MAUI App Developer, Xamarin.Forms App Developer, Flutter App Developer, Xamarin.Forms to .NET MAUI Migration Expert, MAUI Developer, Xamarin Developer, .NET MAUI Expert, Flutter App Expert, Mobile App Development, Xamarin.Forms to .NET MAUI Upgrade, Cross Platform Mobile App Development, .NET MAUI Xamarin Flutter Developer, Android App Developer, iOS App Developer, .NET MAUI 9 Developer, Xamarin.Forms Migration, .NET MAUI Mobile App Developer, Flutter Mobile App Developer, Xamarin.Forms Mobile App Developer, Xamarin.Forms to MAUI Migration Specialist, Cross Platform Mobile Developer, .NET MAUI Mobile Developer, Flutter Cross Platform App Developer, Xamarin.Forms Mobile Developer, .NET MAUI App Engineer, Xamarin.Forms Specialist, Flutter App Engineer, MAUI Mobile Developer, .NET MAUI Xamarin.Forms Flutter App Developer, Xamarin.Forms to MAUI Migration Expert, Flutter Cross Platform App Expert, MAUI Xamarin.Forms Developer, .NET MAUI Cross Platform App Developer, Flutter Application Developer, Xamarin.Forms App Specialist, .NET MAUI App Builder, Flutter App Builder, Xamarin.Forms App Engineer, Cross Platform MAUI Developer, Xamarin.Forms Flutter MAUI Developer.

🥇 Top Rated Plus | Senior .NET & Azure Software Engineer 🏆 10+ years of experience with Microsoft Azure 🤓 1 x Microsoft Azure Certified | 3 x MongoDB Certification | 2 x PMI Certification I help tech teams ship high-quality cloud applications faster using .NET, Azure PaaS, microservices, and automated CI/CD pipelines. With 10+ years building mission-critical platforms for finance, healthcare, e-commerce and logistics, I deliver secure, scalable, and maintainable solutions that accelerate business impact. I specialize in crafting scalable, secure, and performance-optimized applications using .NET, Blazor, Azure, AWS, and modern frontend frameworks such as Angular and React. I’ve led architecture and development for Fortune 500 firms and startups alike, delivering robust solutions across logistics, finance, e-commerce, healthcare, and gaming. 🔍 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐫𝐢𝐧𝐠: ✅ Scalable Microservices using the latest .NET version ✅ Blazor & Angular/React for interactive UIs ✅ CI/CD pipelines (GitHub Actions, Jenkins, Azure DevOps) ✅ Cloud-native deployments (Azure | AWS | Docker | Kubernetes) ✅ Real-time systems with Redis, WebSocket, Kafka ✅ Strong debugging, optimization, and code quality focus 📈 𝐑𝐞𝐜𝐞𝐧𝐭 𝐖𝐢𝐧𝐬: - Designed a healthcare practitioner search system scaling across AWS with real-time Elasticsearch - Led logistics platform revamp for a US-based company using .NET 10 + React - Built scalable e-commerce and casino gaming platforms from scratch 🤝 Let’s connect if you're looking for long-term value, high-quality code, and a dedicated partner.

.Net MAUI Developer | 📱 Xamarin to MAUI Migration Expert (25+ Apps Migrated) I am a passionate Full-Stack .Net Developer with a track record of building Native and Cross-Platform applications that drive results. My expertise spans Xamarin, .NET MAUI, .NET Core, MVC, and UI/UX prototyping—allowing me to craft high-quality, intuitive applications. 📱 Multiple Mobile App Success Stories: I’ve delivered successful mobile solutions that clients love and users enjoy. ✅ 95% Job Success: Recognized for consistently delivering exceptional work and exceeding client expectations. ⭐ 5-Star Reviews: My commitment to quality and client satisfaction has earned me glowing reviews and a reputation for reliability. 🔄 Xamarin to MAUI Migration Expert: Successfully migrated 55+ apps from Xamarin to .NET MAUI, ensuring smooth transitions with enhanced performance and stability. 💻 Always staying up-to-date with the latest in technology, I prioritize performance, cross-platform compatibility, and a seamless user experience. I’m excited to bring my skills, creativity, and dedication to new projects. Let’s collaborate to turn your ideas into successful, polished applications! 🚀