𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 | 𝟭𝟯+ 𝗬𝗲𝗮𝗿𝘀 | 𝟴,𝟬𝟬𝟬+ 𝗨𝗽𝘄𝗼𝗿𝗸 𝗛𝗼𝘂𝗿𝘀 | $𝟮𝟬𝟬𝗞+ 𝗘𝗮𝗿𝗻𝗲𝗱 | If your project demands more than a developer who just writes code, if you need someone who can architect it, own it, and ship it to production, that's exactly what I do. - I specialize in designing and building scalable .NET/Azure-powered platforms for SaaS companies, healthcare organizations, and enterprises across the US. Whether you're starting from scratch, modernizing a legacy system, or scaling a platform that's hitting its limits, I've done it, repeatedly, for real businesses. PMP Certified | Fast communicaton | 53 completed projects on Upwork. WHAT I BUILD FOR YOU ────────────────────────────────────────── ✦ SaaS Platforms - Multi-tenant, subscription-based, cloud-native applications on .NET Core and Azure, designed to scale from 10 users to 100,000 ✦ Healthcare Systems - HIPAA-aware EHR/EMR platforms, HL7/FHIR integrations, and clinical workflow applications built to compliance standards ✦ AI-Powered Applications - OpenAI/LLM integrations, intelligent document processing, and AI-enhanced workflows wired into your existing .NET stack ✦ Enterprise APIs & Integrations - REST APIs, microservices, and third-party integrations (Stripe, QuickBooks, Twilio, CRMs, ERPs) built for reliability ✦ Cloud Architecture & DevOps - Azure and AWS infrastructure, CI/CD pipelines, Docker/Kubernetes, and full infrastructure automation ✦ Legacy Modernization - Turning outdated codebases into maintainable, cloud-ready platforms without breaking what works ────────────────────────────────────────── 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞 Backend: - C# · .NET Core / .NET 8+ · ASP.NET Core · ASP.NET MVC · Web API · WCF · ADO.NET · EF Core · LINQ to SQL · Razor Pages · Blazor · SignalR · WebSockets · Microservices · REST APIs · SOAP APIs · Multi-tenant architecture Frontend: - Angular · React · Next.js · TypeScript · JavaScript · HTML5 · CSS3 · Bootstrap · Blazor UI Cloud & DevOps: - Azure (App Services · Functions · AKS · Service Bus · Key Vault · Logic Apps · Azure SQL · Storage) - AWS (EC2 · Lambda · RDS · S3 · SES) - CI/CD · Azure DevOps · GitHub Actions · Docker · Kubernetes · Infrastructure as Code · IIS Deployments Database: - SQL Server · PostgreSQL · SQLite · Cosmos DB · MongoDB · Entity Framework / EF Core · Stored Procedures · Functions · Views · Query Optimization · High-Performance / High-Volume Systems Integrations & APIs: - Stripe · PayPal · Twilio · SendGrid · OAuth / OAuth 2.0 · CRM/ERP Integrations · Payment Gateways · Third-party REST/SOAP APIs · HL7 · FHIR · Microservice Integrations Version Control & Tools: - Git · GitHub · GitLab · Bitbucket · Azure Repos (TFS) · SourceTree · TortoiseGit · Postman · Jira · Asana · ClickUp · Visual Studio Reporting & Legacy Systems: - Crystal Reports · Custom Reporting Solutions · Legacy System Maintenance & Modernization AI & Automation: - OpenAI · ChatGPT APIs · LLM Integrations · AI-driven Automation Workflows ────────────────────────────────────────── HOW I WORK - I stay involved from architecture through deployment,,, writing clean, documented, production-ready code and communicating clearly at every step. I manage scope, timelines, and stakeholder expectations as well as I manage code. - I work as a Senior Engineer, Solution Architect, Technical Lead, or long-term fractional CTO,,, depending on what your project actually needs. ────────────────────────────────────────── LET'S TALK Send me a message with your project scope — what you're building, where you're stuck, or what you need to scale. I respond within a few hours and will tell you honestly if I'm the right fit.

⭐ Microsoft Certified Developer ⚡ Senior Full-Stack .NET Core Developer 10+ years | 50+ enterprise systems | API Integration & Azure Expert | C# / ASP.NET Core / SQL Senior Full-Stack Developer with 10+ years of experience delivering 50+ enterprise-level Web Development and Web Application systems using C#, .NET Framework, ASP.NET, ASP.NET Core, ASP.NET MVC, JavaScript, React, Angular, AngularJS, TypeScript, HTML, HTML5, CSS, API, API Development, RESTful API, API Integration, Microsoft SQL Server, PostgreSQL, SQL, Microsoft Azure, Azure DevOps, CI/CD, Amazon Web Service, Node.js, PHP and Python. I build scalable Web Application platforms with clean API Integration, optimized SQL, and production deployments on Microsoft Azure using C#, .NET Core, ASP.NET Core, React, Angular and JavaScript. I also develop AI powered systems using OpenAI API, OpenAI, Claude, Claude API, LangChain, FastAPI, RAG, Artificial Intelligence, Machine Learning and Natural Language Processing. If you need a developer who can build scalable production-ready systems fast let’s talk. I have built 100+ API Integration and API Development solutions using C#, .NET Core, .NET Framework, ASP.NET, ASP.NET Core, ASP.NET MVC and RESTful API architecture, integrating systems across Microsoft Azure, Azure DevOps, CI/CD pipelines and Amazon Web Service. I have implemented 70+ automation workflows using API Integration, Node.js, Python, FastAPI and SQL-based processing across Microsoft SQL Server and PostgreSQL environments. I have delivered 50+ Web Application systems including SaaS platforms, internal tools, dashboards and integration-heavy solutions using C#, ASP.NET Core, .NET Core, JavaScript, React, Angular, AngularJS, TypeScript, SQL, Microsoft SQL Server, PostgreSQL and API Integration deployed on Microsoft Azure and Amazon Web Service. My focus is combining backend architecture with modern Web Development and Web Design for scalable systems. ⚡ What I Build 🔹 Web Application systems processing 100k+ API requests daily using C#, ASP.NET Core, RESTful API, API Development, Microsoft SQL Server, PostgreSQL and SQL optimization 🔹 Integration-heavy platforms using C#, .NET Framework, ASP.NET MVC, ASP.NET Core, API Integration, RESTful API and Node.js connected to CRMs, SaaS tools and external APIs 🔹 Cloud-based systems deployed on Microsoft Azure, Azure DevOps, CI/CD and Amazon Web Service with scalable backend architecture 🔹 Frontend interfaces using JavaScript, React, Angular, AngularJS, TypeScript, HTML, HTML5 and CSS with responsive Web Design 🔹 AI powered features using OpenAI API, OpenAI, Claude, Claude API, LangChain, FastAPI, RAG, Artificial Intelligence, Machine Learning and Natural Language Processing integrated into existing Web Application platforms ⚡ What Makes Me Different Most developers build features. I build scalable systems. As a Senior Full Stack Developer, I focus on: 🔹 API Development and RESTful API architecture using C#, .NET Core, ASP.NET Core and ASP.NET MVC 🔹 Complex API Integration across enterprise systems using Microsoft Azure and Azure DevOps 🔹 High-performance Microsoft SQL Server, PostgreSQL and SQL optimization 🔹 Cloud-native deployment using Microsoft Azure, Azure DevOps, CI/CD and Amazon Web Service 🔹 Full-stack Web Development using JavaScript, React, Angular, AngularJS, TypeScript, HTML, HTML5 and CSS 🔹 AI powered automation, ai agent workflows and AI Integration using OpenAI API, OpenAI, Claude, Claude API, LangChain and FastAPI I design systems where C#, ASP.NET Core, .NET Core, Microsoft SQL Server, PostgreSQL, SQL, React, Angular and Microsoft Azure work as a unified architecture. My focus is production-grade Web Application systems with clean API Integration, scalable infrastructure and maintainable backend architecture built with C#, .NET Framework, ASP.NET, ASP.NET Core and ASP.NET MVC. ⚡ Core Stack C#, .NET Core, .NET Framework, ASP.NET, ASP.NET Core, ASP.NET MVC, JavaScript, React, Angular, AngularJS, TypeScript, Node.js, PHP, Python, HTML, HTML5, CSS, SQL, Microsoft SQL Server, PostgreSQL, Microsoft Azure, Azure DevOps, CI/CD, Amazon Web Service, API, API Development, RESTful API, API Integration, Web Development, Web Application, Web Design, OpenAI API, OpenAI, Claude, Claude API, LangChain, FastAPI, ai agent, ai automation, ai powered systems, RAG, Artificial Intelligence, Machine Learning, Natural Language Processing. I am currently available for Web Development, API Development, API Integration, AI Integration, ai automation and enterprise .NET development using C#, ASP.NET Core, .NET Core, Microsoft SQL Server, PostgreSQL, Microsoft Azure, React and Angular.

I design and build scalable backend systems using .NET Core and ASP.NET, with a strong focus on clean architecture, optimized SQL performance, and production-ready deployments. My work goes beyond writing controllers — I structure systems that remain stable, secure, and maintainable as they grow. With over 10 years of experience in Microsoft technologies, I’ve developed and maintained web applications, RESTful APIs, SaaS platforms, and enterprise-grade systems using .NET Core, ASP.NET MVC, SQL Server, and Azure. I have built multi-tenant applications deployed on Azure App Service with Azure SQL, ensuring proper tenant isolation, secure authentication flows, and scalable database design. I prioritize performance optimization, clean layering, and long-term maintainability to prevent technical debt. From database design and API architecture to deployment strategy and cloud configuration, I take full ownership of backend systems to ensure they scale reliably under real-world usage. If you're looking for a senior .NET developer who focuses on architecture, scalability, and system stability rather than just task execution, let's connect.

🎖 Top-rated Fullstack .NET Developer with 12 years of experience building scalable, high-performance web applications and backend systems. I specialize in ASP.NET Core, C#, MVC, Web API, and SQL Server to deliver robust, secure, and user-friendly solutions tailored to your business needs. In addition to full-stack .NET development, I work with Microsoft 365 and Power Automate to streamline business processes, automate approvals, notifications, document workflows, and system integrations. My focus is helping organizations reduce manual work through efficient automation while maintaining scalable .NET applications.🎖 💡 Key Competencies: ✅ Backend Development (ASP.NET Core & C#): ⚡Building scalable and secure backend systems with ASP.NET Core and C#. ⚡Developing RESTful APIs for seamless frontend-backend communication. ⚡Implementing authentication and authorization using JWT and OAuth. ⚡Real-time functionality with SignalR. ⚡Middleware development for request handling and validation. ✅ Frontend Development (MVC & Razor): 📌Creating dynamic, responsive, and interactive user interfaces with ASP.NET MVC and Razor Pages. 📌Integration with RESTful APIs and third-party libraries. 📌Responsive web design with CSS3, Bootstrap, and JavaScript. 📌Blazor for building interactive web applications with C#. ✅ Database Management (SQL Server): 🌟Designing and optimizing SQL Server databases for performance and scalability. 🌟CRUD operations and complex query implementation. 🌟Data modeling and schema design for efficient data storage. 🌟Integration with Entity Framework Core for streamlined database interactions. ✅ Microservices Architecture: ⚡Designing and implementing microservices for scalable and modular applications. ⚡Using Docker for containerization and deployment. ⚡Implementing message brokers like RabbitMQ or Azure Service Bus for asynchronous communication. ✅ Fullstack Development: 🔥End-to-end development of web applications, from concept to deployment. 🔥Seamless integration of frontend and backend systems. 🔥Deployment on cloud platforms like Azure and AWS. 🔥Version control with Git and collaborative workflows. ✅ Additional Skills: 🌟Testing with xUnit and Moq. 🌟Agile methodologies for project management. 🌟CI/CD pipelines for automated deployment. 🌟Performance optimization for faster load times. 💡 Why Choose Me? ⚡Proven Expertise: Delivered 20+ .NET projects with measurable results. ⚡Scalable Solutions: Build applications that grow with your business. ⚡Client-Centric Approach: Clear communication, timely delivery, and dedicated support. ⚡Future-Proof Development: Write clean, maintainable, and well-documented code. ⚡Continuous Learning: Always updating my skills to stay ahead in the ever-evolving tech landscape. 💡 Technical Stack: 📌Backend: ASP.NET Core, C#, RESTful APIs, SignalR, Entity Framework Core 📌Frontend: ASP.NET MVC, Razor Pages, Blazor, CSS3, Bootstrap, JavaScript 📌Database: SQL Server, Entity Framework Core 📌Tools: Git, Docker, xUnit, Moq 📌Deployment: Azure, AWS 💡 Recent Projects: 🔥Developed a real-time chat application using ASP.NET Core and SignalR. 🔥Built an ecommerce platform with ASP.NET MVC, featuring product filtering, user authentication, and payment gateway integration. 🔥Created a task management tool with Blazor, enabling users to track and manage tasks efficiently. 🔥Designed and deployed a blogging platform with SQL Server for content management and ASP.NET Core for a dynamic backend. 💡 Let’s Work Together! 📌Whether you need a custom web application, a scalable backend, or a dynamic frontend, I’m here to bring your vision to life. Let’s discuss your project and create something extraordinary!

✅ 8+ years of C# .NET experience 📈 50+ projects delivered (Web, Desktop, SaaS, AI-powered) 💡 Helping startups, SMEs, and enterprises build scalable software Looking for a .NET engineer who delivers production-ready systems not just code? ▶️I've spent 8+ years building enterprise-grade SaaS platforms, healthcare systems, ERP solutions, and legal tech products. 50+ projects delivered across web, desktop, SaaS, and AI-powered applications for startups, SMEs, and enterprises. Today many teams ship features fast using AI tools, but real value comes from making those systems reliable, scalable, and safe in production. My role often becomes the bridge between business requirements, developer code (human or AI-generated), and real-world behavior. I ensure performance, correctness, and maintainability. I build new systems and stabilize existing ones: designing scalable architectures, integrating AI capabilities and automation, diagnosing performance and concurrency issues, reviewing and correcting AI-generated or legacy code, and making production systems predictable and maintainable. From integrating OpenAI and Azure AI services to embedding intelligent workflows, I design applications that learn, adapt, and scale with the business while still behaving correctly under real usage. ▶️Tech Stack Backend: C# .NET 6-9, ASP.NET Core, Web API, Blazor Frontend: React, Angular, Vue, TypeScript Databases: SQL Server, PostgreSQL, MongoDB, Redis AI: OpenAI API, LangChain, ML.NET, Azure Cognitive Services, Semantic Kernel Cloud and DevOps: Azure, AWS, Docker, Kubernetes, GitHub Actions, Azure DevOps APIs: REST, GraphQL, gRPC, Payment Gateways, Social APIs ▶️What I Commonly Help Fix Performance degradation and slow queries Background jobs behaving inconsistently Data duplication or corruption Environment-specific production issues Integration failures and unreliable workflows Technical debt in long-running platforms ▶️Industries I Serve Healthcare and Medical (HIPAA-compliant systems) Legal Tech (case management, document automation) Fintech (payment processing, compliance) SaaS Platforms (multi-tenant architecture) GRC and Compliance (audit, risk, regulatory platforms) E-commerce (shopping carts, inventory management) Enterprise Software (ERP, CRM, workflow automation) I actively use AI in development, but as a tool. My responsibility is ensuring the system works correctly in production, regardless of how the code was produced.

# 🚀 Senior .NET (ASP.NET Core) | React | React Native SaaS & Full-Stack Engineer I help companies build and scale **modern SaaS platforms, web applications, and mobile apps** using **.NET (ASP.NET Core), React, and React Native**. With 16+ years of experience in building production systems, I specialize in designing **scalable backend architectures, responsive frontends, and cross-platform mobile applications** that are maintainable, secure, and performance-driven. My focus is not just writing code — but building systems that are stable, scalable, and ready for real users. --- # 💡 What I Can Help You Build ### 🧠 SaaS & Web Applications * Full-stack SaaS platforms using .NET + React * Admin dashboards and business applications * Multi-tenant architectures and scalable backend systems ### ⚙️ Backend Engineering (.NET) * ASP.NET Core Web APIs and microservices * Clean architecture & domain-driven design * SQL Server / PostgreSQL database design and optimization * Authentication systems (JWT, OAuth2, Identity Server concepts) ### 🎨 Frontend Development (React) * React.js applications with TypeScript * Redux / Context API state management * Responsive UI development and component architecture * Integration with REST APIs and backend systems ### 📱 Mobile Development (React Native) * Cross-platform iOS & Android applications * API integration and offline support * Mobile UI/UX implementation * App performance optimization ### ☁️ Cloud & Deployment * Azure App Services and CI/CD pipelines * AWS deployment basics * Docker-based deployment setups (if required) ### 🔗 System Integration * Third-party API integrations (payments, authentication, business tools) * RESTful API design and integration strategies * Secure authentication and authorization flows ### 🔄 Legacy System Modernization * Migrating legacy .NET systems into modern .NET Core + React architecture * Improving performance, maintainability, and scalability of existing systems --- # 🏆 Why Clients Work With Me ✔ Strong expertise in building end-to-end full-stack systems ✔ Focus on scalable, production-ready architecture (not just prototypes) ✔ Experience modernizing and improving complex enterprise applications ✔ Ability to work across backend, frontend, and mobile seamlessly ✔ Clear communication and reliable long-term collaboration --- # 📊 Experience Highlights * 16+ years in enterprise and SaaS development * Delivered multiple full-stack applications from scratch to production * Experience handling large-scale business systems and integrations * Strong focus on performance optimization and clean architecture principles --- # 🌟 Recognition * Employee of the Year (2014) * Star Performer (2012, 2013) --- # 📩 Let’s Build Something Scalable If you're building a **SaaS product, modern web application, or mobile app using .NET and React**, I can help you design and develop it from architecture to deployment. Send me a message — I’ll review your idea and suggest the best technical approach before you hire anyone. How clients usually find me: Full stack .NET freelancer | hire ASP.NET Core developer | C# freelance programmer | experienced .NET Core API developer | enterprise ASP.NET freelancer | scalable ASP.NET Core solutions developer | full stack ASP.NET + Angular freelancer | ASP.NET + Vue.js developer for hire | remote full stack .NET developer India | affordable ASP.NET Core freelancer | top-rated .NET freelancer Upwork | ASP.NET MVC freelance developer | .NET SQL Server troubleshooting expert | cloud ASP.NET Core developer Azure | hire .NET API + AWS integration freelancer | Xamarin & MAUI cross-platform app developer | WPF/UWP MVVM freelance expert | ASP.NET Core migration freelancer | VB6.0 to .NET modernization freelancer | classic ASP to ASP.NET Core migration expert | legacy .NET maintenance & upgrade developer | .NET performance optimization freelancer | hire full stack C# web developer | ASP.NET bug fixing freelancer | .NET Core microservices developer | FHIR | QuickBooks/Xero/Sage integration ASP.NET freelancer | Twilio API + ASP.NET Core freelancer | Azure DevOps CI/CD .NET Core freelancer | enterprise SaaS .NET Core freelancer | ASP.NET Core + Bootstrap full stack developer | Angular 17 + .NET Core freelance expert | best ASP.NET full stack freelancer for hire | ASP.NET freelancer USA | hire remote .NET developer in UK | offshore ASP.NET Core developer Dubai | nearshore .NET full stack developer | hire ASP.NET Core + SQL Server expert | cloud-ready ASP.NET Core app developer | .NET Core REST API freelancer | experienced enterprise ASP.NET consultant | full stack ASP.NET Core freelance developer for scalable apps

Senior .NET Core & Angular Developer | SaaS, CRM & Enterprise Application Specialist I help startups, SMEs, and enterprises build scalable, secure, and high-performance web applications using ASP.NET Core, Angular, Azure, and modern cloud technologies. With 10+ years of experience in full-stack development, I have successfully delivered SaaS platforms, CRM systems, ERP solutions, enterprise portals, eCommerce applications, and custom business software for clients across the United States, United Kingdom, Australia, Canada, Europe, and the Middle East. ## What I Can Help You With ✅ ASP.NET Core & C# Application Development ✅ Angular, React & TypeScript Frontend Development ✅ REST API & Microservices Architecture ✅ Azure Cloud & AWS Solutions ✅ SQL Server & PostgreSQL Database Design ✅ SaaS Product Development ✅ CRM & ERP Development ✅ Legacy Application Modernization ✅ Performance Optimization & Troubleshooting ✅ Third-Party API Integration ✅ Authentication & Authorization (JWT, OAuth, Identity) ✅ Clean Architecture & SOLID Principles ## Technical Expertise **Backend:** ASP.NET Core, .NET 8/9, C#, Entity Framework Core, Web API, Minimal API, Microservices **Frontend:** Angular, React, TypeScript, JavaScript, HTML5, CSS3, Bootstrap, Angular Material **Cloud & DevOps:** Microsoft Azure, AWS, CI/CD Pipelines, Docker, GitHub Actions **Databases:** SQL Server, PostgreSQL, MySQL **Architecture:** Clean Architecture, Domain-Driven Design (DDD), SOLID Principles, Repository Pattern ## Why Work With Me? ✔ Top Rated Freelancer ✔ 100% Job Success Score ✔ 10+ Years of Professional Experience ✔ Strong Communication & Transparent Reporting ✔ Long-Term Client Relationships ✔ Reliable Delivery & Quality-Focused Development Skill- ASP.NET Core ,.NET 8,Angular,Web API,Azure,SaaS,CRM,Microservices,Entity Framework Core, SQL Server. Whether you need a new application built from scratch, an existing system enhanced, APIs developed, performance issues resolved, or a dedicated full-stack developer for your team, I can help turn your requirements into reliable and scalable solutions. Let's discuss your project and how I can contribute to its success. #ASPNETCore #DotNet #CSharp #Angular #React #TypeScript #WebAPI #Microservices #Azure #AWS #SQLServer #PostgreSQL #SaaS #CRM #ERP #FullStackDeveloper #EnterpriseApplications #SoftwareDevelopment #CloudDevelopment #APIIntegration

As a senior full stack developer with 12+ years of experience (Top-Rated Plus, 4,000+ hours on Upwork), I bring both high-level system design and hands-on execution to your projects. I have experience in building SaaS platforms, Dashboards, Enterprise web applications, and multi-tenant systems. 𝐖𝐡𝐚𝐭 𝐈 𝐛𝐫𝐢𝐧𝐠 𝐭𝐨 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐣𝐞𝐜𝐭: -𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞: Designing scalable, secure, and maintainable system structures before coding begins. - 𝐅𝐮𝐥𝐥-𝐂𝐲𝐜𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: From concept to deployment, I handle the entire process - 𝐁𝐚𝐜𝐤-𝐞𝐧𝐝 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ASP.NET MVC & Core C#, Node.js(Express/NestJS) with clean, maintainable architecture - 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝: React, Next.js, Angular for responsive, fast UIs, Typescript, Tailwind CSS, MartialUI - 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: SOAP-to-REST migrations, OAuth, payment gateways, FedEx APIs -𝐂𝐥𝐨𝐮𝐝: AWS, Azure, GCP and Vercel - 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: I use Cursor, Claude, Copilot, and AI tools to accelerate delivery while maintaining quality 𝐑𝐞𝐜𝐞𝐧𝐭 𝐖𝐨𝐫𝐤: - SaaS platforms and MVP development - Internal dashboards and enterprise tools - Third-party integrations (Stripe, Twilio, Azure DevOps) I offer post-project support to ensure long-term success. I would love to discuss your specific requirements and how I can help. When are you available for a quick call? Best, Naveen

I’m a Top Rated Plus (Top 3% of Upwork Talent) .NET Full Stack Developer with 7+ years of experience helping startups and businesses build secure, scalable, and production-ready applications. Give me an idea, a broken system, or a product that needs to scale and I’ll build the right solution around it. If you send me an invitation or message, I can review your requirements and suggest the best technical approach for your project. A little more about me: I help businesses build and improve SaaS platforms, admin panels, dashboards, backend APIs, and full end-to-end web applications using ASP.NET Core, C#, React, Blazor, SQL, and .NET MAUI. From backend architecture and API development to frontend implementation and database optimization, I build systems that are clean, maintainable, and designed for real business use. If your product needs a strong backend, a modern web interface, solid integrations, or a full-stack .NET solution built properly from the start, I can help. • Top Rated Plus (Top 3% of Upwork Talent) • 100% Job Success Score • $80K+ earned on Upwork • 52+ jobs completed • 5,500+ hours worked • Strong experience in ASP.NET Core, C#, React, Blazor, SQL, APIs, and .NET MAUI • Clear communication, clean architecture, and reliable delivery • Experience building business systems, SaaS apps, dashboards, admin portals, and cross-platform apps If you’re looking for someone who understands both the technical side and the business side of software development, and can turn requirements into a solid working product, I’d be glad to help. Core Expertise: .NET Full Stack Development | ASP.NET Core | C# | React | Blazor | .NET MAUI | REST APIs | API Integration | SaaS Development | Admin Panels | Dashboards | SQL Server | PostgreSQL | MySQL | Entity Framework | Dapper | Azure | Clean Architecture | Business Applications | Cross-Platform App Development

Microsoft Certified Azure Developer | Top Rated Plus on Upwork | 15,000+ Billed Hours | 12+ Years of Experience Hi, I’m Satbir – Your Full-Stack Development Partner! I specialize in building scalable, secure, and maintainable applications using .NET, Angular, and Microsoft Azure. With over a decade of experience and a proven record of success, I deliver solutions that help businesses accelerate growth, reduce costs, and ensure long-term stability. For the past 12+ years, I’ve helped clients across the USA, UK, Australia, and beyond develop enterprise-grade web apps, SaaS platforms, and cloud-based solutions. With Top Rated Plus status on Upwork, I bring both technical expertise and client-first communication to every project. 𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 & 𝗦𝗸𝗶𝗹𝗹𝘀 ✅ Back-End Development – ASP.NET, ASP.NET Zero, ASP.NET Core, ABP.IO ✅ Front-End Development – Angular, AngularJS, Ionic, Bootstrap, HTML5, jQuery ✅ Cloud Solutions – Microsoft Azure integration, deployment, and management ✅ Database Management – SQL Server, PostgreSQL, MySQL ✅ Authentication & Security – Identity management and access control systems ✅ SaaS Product Development – Full-stack development from concept to launch ✅ DevOps & CI/CD – Scalable and efficient deployment pipelines 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? ✅ Proven Success – 15,000+ billed hours with a 100% Job Success Score ✅ Certified Expertise – Microsoft Certified Azure Developer Associate & Fundamentals ✅ Clear Communication – Bridging requirements into working solutions ✅ Scalable Solutions – Built with clean architecture and best practices ✅ On-Time Delivery – Reliable execution with client satisfaction guaranteed 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 & 𝗧𝗼𝗼𝗹𝘀 𝗜 𝗨𝘀𝗲 .NET Framework | ASP.NET Core | ASP.NET Zero | ABP.IO | Angular | Ionic | HTML5 | PrimeNG | Bootstrap | jQuery | Microsoft SQL Server | PostgreSQL | MySQL | Microsoft Azure | AWS | JIRA | Trello | Slack 𝗠𝘆 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 ▪ Discovery & Planning – Understanding business requirements and goals ▪ Architecture & Design – Crafting scalable, future-proof solutions ▪ Development & Integration – Full-stack development with .NET & Angular ▪ Testing & Optimization – Ensuring performance, security, and reliability ▪ Deployment & Ongoing Support – Cloud hosting, scaling, and continuous improvement ============================ 🌟 5-STAR CLIENT TESTIMONIALS 🌟 ❝ Satbir has been absolutely fantastic to work with, one of if not the best contractor we've ever had. He bridges the gap between requirements and code excellently and his native English meant we had no trouble at all understanding him. I would absolutely recommend Satbir to anyone looking for a highly skilled .Net developer. ❞ – Andrew C. ❝ Excellent work and support provided by Satbir, we fixed 100% of our issues and have the full process working, Satbir was also fully available and provided extensive details for us to complete fixing all issues. We will definitely work again ! ❞ – Paul S. ❝ Satbir did an amazing job helping my team continue to build out our website. He was able to complete every feature that we asked of him. ❞ – Sanjay A. ============================ ➤ 𝗟𝗘𝗧'𝗦 𝗧𝗔𝗟𝗞 𝗡𝗘𝗫𝗧 𝗦𝗧𝗘𝗣 Let’s build your next .NET or SaaS solution together! Whether you need a secure enterprise platform, a high-performing front-end with Angular, or seamless cloud integration, I’m here to deliver. 𝗛𝗶𝗿𝗲 𝗠𝗲 𝗡𝗼𝘄 | Let’s Discuss Your Project 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘀𝘁𝘀: Full-Stack Developer | .NET Expert | ASP.NET Zero Developer | Angular Specialist | Microsoft Azure Developer | SaaS Product Development | SQL Database Expert | Cloud Solutions Architect | ABP.IO Framework Expert