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🚀 Senior Full Stack Developer | AI Integration Specialist 💼 14+ years of professional software development experience ⚙️ C#, .NET, Node.js, PHP, Python 🎨 React, Angular, Next.js, TypeScript 🤖 OpenAI API, Hugging Face, Pinecone, FAISS, n8n, Zapier ☁️ Azure, AWS, CI/CD, scalable architecture 🔌 Google APIs, QuickBooks, Twilio, Zoho CRM, SendGrid Hi, I’m Senior Full Stack Developer with 14+ years of experience building, modernizing, and scaling web applications. I specialize in ASP.NET Core, C#, React, Angular, Next.js, cloud architecture, API integrations, and practical AI solutions. I help businesses build reliable web applications and add AI-powered features such as AI chatbots, document search, RAG-based assistants, workflow automation, smart dashboards, and AI-powered SaaS functionality. WHAT I CAN HELP YOU WITH * Building scalable web applications from scratch * Modernizing legacy .NET, ASP.NET MVC, Web Forms, or PHP systems * Developing secure REST APIs and backend services * Creating responsive frontends with React, Angular, Next.js, and TypeScript * Integrating third-party APIs such as Google APIs, QuickBooks, Twilio, Zoho CRM, SendGrid, and Zapier * Adding AI features using OpenAI API, Hugging Face, Pinecone, FAISS, n8n, and Zapier * Designing databases using SQL Server, MySQL, PostgreSQL, MongoDB, Redis, and Elasticsearch * Deploying applications to Azure and AWS * Leading teams and reviewing architecture, code quality, and technical decisions CORE SKILLS Backend: C#, .NET, ASP.NET Core, ASP.NET MVC, Web API, Node.js, PHP, Python Frontend: Angular, React, Next.js, TypeScript, JavaScript, HTML5, CSS3 Databases: SQL Server, MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch Cloud & DevOps: Azure, AWS, GitHub Actions, GitLab CI/CD, Jenkins, Azure DevOps, AWS CodePipeline AI & Automation: OpenAI API, Hugging Face, Pinecone, FAISS, RAG, n8n, Zapier Architecture: Microservices, REST APIs, SOLID principles, clean architecture, performance optimization WHY WORK WITH ME? * I bring both hands-on development and architecture-level thinking * I can join an existing team or independently own a project * I write clean, maintainable, scalable code * I understand business goals, not just technical tasks * I communicate clearly and keep projects moving Whether you need a new application, legacy system upgrade, AI integration, API automation, cloud deployment, or long-term technical partner, I can help you build it properly. Let’s discuss your project and find the best technical approach.

With over 25 years of software development experience, I have completed a huge number of projects in areas ranging from enterprise applications to web servers to MS Office solutions and more. If you're looking for high-performance solutions that are written using industry's best practices and long-term support, you don't need to look any further. These are some of my key specialty areas: 1. .NET ===== * .NET Framework, .NET Core and .NET * C# and VB.NET * WPF and WinForms * Graphics and image processing * Windows and WCF Services * MAUI and rich desktop/mobile client apps 2. Web and Server-Side =================== * Server-side development using Laravel, MySQL * Client-side apps (SPAs) using VueJS + TypeScript * Bootstrap and Material Design * Extensive database experience with both MySQL and MS SQL Server 3. AI and LLMs ============ 1. Integrate 3rd-party AI services such as OpenAI, Gemini or locally-running LLMs 2. Consume such REST APIs to implement predictive and generative capabilities on both server and client sides 4. MS Office Add-ins ================ * Microsoft Office solutions (VBA, VSTO and Office.js) for Word, Excel, PowerPoint and Outlook * Have been creating solutions for Microsoft Office since Office 4.3 days (yes, that's last century) So I bring you an all-rounder set of skills and experience to cover all bases for your next project. With native-like proficiency in the English language and a friendly, can-do attitude, you'll find it easy and to work with me.

🖥️ C# / .NET Developer | 📦 200+ Projects | 💯 Job Success | 🏆 Top Rated Software developer building C# / .NET applications since 2010. Specialized in Windows desktop using WPF & WinForms, with cross-platform expertise in Avalonia. Experienced in Blazor frontend, ASP.NET Core backend & Azure deployments. Developing solutions for business automation, document generation, reporting, data-intensive desktop tools, API integrations, real-time dashboards, Windows service development, and legacy .NET Framework modernization. Delivered 200+ software solutions for global clients across multiple industries, from focused utilities to large-scale, long-term systems, working both independently and within distributed teams. Technical Skills ---------------- Desktop - WPF, XAML, WinForms, WinUI, Avalonia, Uno Platform, WebView2 - MVVM, Prism, ReactiveUI, Custom Controls, Templating, Styling - WinAPI, PInvoke, Native Interop, Windows Shell Integration - Hardware Integration, Third-party SDKs, Enterprise Integration - Reporting, Printing, PDF/Excel Generation, Document Processing Databases - Schema Design, SQL Server, SQLite, EF Core, Dapper, LINQ Backend & Web - REST APIs, ASP.NET Core, Minimal APIs, Swagger, Logging - Blazor, Razor Pages, MudBlazor, HTMX, HTML, CSS, JavaScript Build & Deployment - Git, MSBuild, Visual Studio, NuGet, PowerShell, Azure, Docker - Application Packaging, Installer Creation, Code Signing

I am a professional developer having 10+ years of experience in developing applications including desktop, web and mobile. 5 years in mobile development and web development. I have expertise in solving any kind of development issues and problems and have experience in managing development teams. I can provide expertise in the following: • ASP.NET, C#, MVC and ASP.NET Core • SQL Server • WPF Desktop Applications • Flutter (Cross platform Mobile Development) • Android Studio • Crystal Reports • AngularJS, JavaScript, jQuery • Entity Framework • HTML5, CSS3 • Hardware Integration, Social Network Integration • Webservices • Web scraping I can provide services both in Backend Development and Frontend Development. I have developed different applications for various clients in my Job Period. Now I have switched to online Job Hunting. I am new here but I have provided solutions to many clients. In my experience, there were many simple applications and tools that use RESTFul services, Firebase, Retrofit. I have developed following applications: • Angan (Mobile Woocommerce App) • Human Resource Information System • Property Management System • Flights Information System • School Management System • Inventory Management • Sales Management System • Point of Sale Systems • Visitor Tracking System Besides these skills and expertise, I am also experienced in coordinating with and managing resources and meeting with clients.

I am working full time at Upwork, having 20+ years of experience, mainly with Server side apps and scripts, Backend Rest APIs | Web APIs, Api development & Integration, desktop software development, Windows Services, Software Add-ins, Sync Apps (to sync data between servers), Application Installers, SQL & NoSQL database development, PowerShell, Asp.net, Asp.net Core apps, and VBScript scripts. I have been working at Upwork since April 2010, completed 345 projects, 14000+ hours, have high client retention, and I have been Top Rated Upwork freelancer for the last 9 years, and Top Rated Plus for more than 3 years. I have great expertise with the following technologies, APIs, and frameworks: Winform Apps, WPF Apps, WPF MVVM, XAML WPF Apps using Figma WPF POS Apps PowerShell automation, PowerShell scripts to install Apps VBScript, VBA scripting Rest API\ Web API development, HTTP Web Api Clients, Rest Api Clients, Rest Api Wrapper SKDs Web Services (SOAP), Windows Services, Multi-threaded windows services App Installers (using Visual Studio Setup Projects and WIX setup toolkit) Auto Updating Apps & Installers, Silent Installers (from Windows Services) Windows Backup Apps (to Azure, AWS, or FTP), Windows USN Journal Api for backup, WebHooks, JSON Exchange Server 2007/2010/2013/2016/2019, Office 365, MSOnline PowerShell Module MS Graph Api, Azure AD integration, Azure AD PowerShell Module Azure Multi-tenant Apps, Azure OAuth Outlook Rest Api, Azure Runbooks, Azure WebJobs Active Directory Integration, .Net Active Directory Api, Active Directory PowerShell Module Exchange Web Services Api (EWS API) Azure Blob Api, AWS S3 Api, AWS Polly Text To Speech API Exchange Transport Agents, C#, VB.net, .Net Core VC++.Net, COM, ActiveX, Win32 API, MFC, Multi threaded Apps Outlook Addins (Outlook Object Model), VSTO Addins, JavaScript-based Outlook Addins (JS Outlook Addins) Outlook Mail Merge (with MS Excel | MS Word + Database) Redemption (MAPI), AddinExpress, DevExpress OOP, WCF, Asp.net, AD Password Filter, WMI (Windows Management Instrumentation Api) Google Mail Api, Calendar Api, Google Directory API, Google OAuth, Google GSuite Api | Google Workspace Api Ansible | Ansible Workbooks Python scripts with MS Graph api MS SQL Server, MySql Server, SQLite programming, Azure SQL Server, Entity Framework, NoSql (MongoDB) Exchange Online, Office-365-PowerShell, Office365-API Exchange Server Multi-Tenancy (Address Book Policies) Active Directory & Windows Server Automation, Exchange Server installation, Email Migration, Auto Discovery, Mail Flow configuration, Exchange Server migration scripts, Exchange-To-Exchange and Exchange-To-Office365 Email Migration apps (scripts) development, Outlook Connectivity Hyper V API using WMI, WinSCP Api for FTP and sFTP Windows Firewall API Sync Apps (one way or bidirectional sync), to sync data between 2 systems (e.g AD+DB, Exchange+DB, AzureAD+DB, Office365+MongoDB, BambooHR+LearnUpon etc.) VS Unit Tests, SCRUM (Agile development) REST | Web API Integrations: ------------------------ MS Graph API for Office 365 Personify Cloud Api, People HR API, Workday Api, BambooHR Api, Shopify API PostMark API, SentimentAnalysis API LearnUpon Api, Quickbase Api, Nasuni Management Console API Octopus Deploy Api, Octopus Deploy PowerShell scripts, TigerPaw Api Dayforce Ceridian HCM Api Storman Cloud Api, Slack Api, ShareArchiver Cloud Api, Thycotic Secret Server Api Atlassian JIRA Api Taleo Enterprise Web Services API (Oracle) Simple API (from simpleapi.cl) RabbitMQ API (& Server installation) Rich experience to work on existing applications to fix bugs and add features. Rich experience to work using TeamViewer or RDP tools, pair-programming Git, GitHub, BitBucket, Gitlab, TortoiseSVN, TFS, Windows Terminal Server automation SharePoint Server (all versions), MS Dynamics CRM 4, BlackBerry Enterprise Server 4/5. SharePoint 365 Fiddler, PostMan, Advanced Rest Client. I also have experience of FTP Server programming/administration (Gene6FTP + ServU FTP Servers), Windows PowerShell API, XML, XML DOM using VC++ and C#, IVR programming using Intel Dialogic Telephony card, Global Call API, Voice API and Web Control Panels.

As a 10 years experienced programmer in ASP.Net, MVC and Web API (Along with other Dot Net technologies), I have worked a lot of applications. My skills span ► Full stack web application development, starting from database up to html design. ► Expert in creating desktop applications using third party tools like devExpress, telrik, Aspose. ► Task automation and scheduling using window services. ► Data Import, Export and Synchronization. I have the following technical skills ► ASP.Net, ASP.Net MVC, ASP.Net Web API (Expert) ► C#, VB.Net (Expert) ► SQL Server 2008/12 (Development Expert) ► Win-form, window services, task scheduling (Expert) ► Razor, AngularJs, Html, Jquery, JSON ► SVN, Git (Expert), VSS ► Entity Framework, Linq-To-SQL (Expert to map complexities) ► API integration ► Crystal Reports and Aspose reports ► Paypal, Google Checkout, Authorize.Net Integration ► Optimistic and positive for long term relations