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I am a Senior .NET Architect and full-stack developer specializing in business applications, Blazor, DevExpress XAF, API integrations, and AI-powered workflow automation. I help businesses build reliable software that saves time, automates manual work, improves visibility, and connects their tools into one smooth process. My core expertise includes: • ASP.NET Core Web APIs • Blazor Server and Blazor Web Apps • DevExpress XAF, XPO, WinForms, and reporting • SQL Server, MySQL, SQLite, and Airtable • n8n workflow automation • AI integrations with Claude/OpenAI • CRM and lead management systems • API integrations and backend architecture • Windows Server / IIS deployment • Business dashboards and internal tools Recent AI-focused projects include: • LeadFlowAI: an AI-powered lead automation platform that captures leads from a public website, sends them through n8n, stores records in Airtable, qualifies leads with Claude AI, generates follow-up messages, and provides a secure Blazor dashboard for monitoring leads, workflows, AI logs, messages, and failures. • SignalDeskAI: an AI-assisted business dashboard concept focused on monitoring operational signals, surfacing useful insights, and supporting better decision-making through organized data views and intelligent summaries. These projects reflect the kind of systems I enjoy building most: practical business software with clean .NET architecture, useful automation, AI-assisted workflows, and dashboards that help teams understand what is happening in their operations. I am especially useful for clients who need: • A custom business application • A Blazor or DevExpress XAF system • An AI-powered automation workflow • n8n, Airtable, or third-party API integration • A secure ASP.NET Core API backend • A dashboard for operations, reporting, monitoring, or decision support • Modernization of an existing .NET application I focus on clear communication, reliable delivery, and building systems that are practical for real business use.

Building software that scales, performs, and lasts. I'm a Top Rated Plus Full Stack .NET Developer with 8+ years of experience, $100K+ earned, 5,500+ hours worked, and a 100% Job Success Score on Upwork. I help startups and established businesses design, build, modernize, and maintain enterprise applications using .NET, Angular, Azure, SQL Server, REST APIs, and AI technologies. Whether you need a new SaaS platform, a healthcare application, API integrations, cloud migration, performance optimization, or help rescuing an existing project, I focus on delivering clean, reliable, and production-ready software. What I Build Healthcare ✅ EMR / EHR Systems ✅ Patient Portals ✅ Telemedicine Platforms ✅ Remote Patient Monitoring (RPM) ✅ Clinical Dashboards ✅ Medical Device Integrations ✅ Healthcare APIs ✅ FHIR & HL7 Integrations ✅ HIPAA-Aware Applications SaaS & Enterprise Applications ✅ Multi-Tenant SaaS Platforms ✅ Enterprise Web Applications ✅ CRM & ERP Systems ✅ Customer Portals ✅ Admin Dashboards ✅ Inventory Management ✅ Reporting & Analytics ✅ Workflow Automation Robotics & IoT ✅ Fleet Management Systems ✅ Robot Monitoring Dashboards ✅ GPS Tracking Solutions ✅ Device Telemetry ✅ Real-Time Monitoring ✅ Robotics API Integrations ✅ Geotab Integrations AI & Automation ✅ OpenAI & ChatGPT Integration ✅ Azure OpenAI ✅ AI Assistants ✅ AI Chatbots ✅ Workflow Automation ✅ AI-Powered Reporting ✅ Intelligent Search ✅ AI Document Processing Technologies Backend ✅ .NET 9 ✅ .NET 8 ✅ .NET Core ✅ ASP.NET Core ✅ ASP.NET Web API ✅ C# ✅ Entity Framework Core ✅ Dapper ✅ SignalR ✅ REST APIs ✅ Microservices ✅ OAuth ✅ JWT Authentication Frontend ✅ Angular ✅ TypeScript ✅ RxJS ✅ JavaScript ✅ HTML5 ✅ CSS3 ✅ Bootstrap ✅ Angular Material ✅ DevExtreme ✅ DevExpress Database ✅ SQL Server ✅ Azure SQL ✅ Entity Framework ✅ Dapper ✅ Stored Procedures ✅ Database Optimization ✅ Performance Tuning Cloud & DevOps ✅ Microsoft Azure ✅ Azure App Services ✅ Azure Functions ✅ Azure SQL ✅ Azure Storage ✅ Azure DevOps ✅ CI/CD ✅ Docker ✅ Git ✅ GitHub Integrations ✅ REST APIs ✅ Third-Party APIs ✅ Payment Gateway Integration ✅ OAuth Authentication ✅ Geotab API ✅ Robotics APIs ✅ Medical APIs Artificial Intelligence ✅ OpenAI ✅ ChatGPT ✅ Azure OpenAI ✅ AI Assistants ✅ AI Chatbots ✅ Prompt Engineering ✅ Intelligent Workflows Why Clients Work With Me ✅ Production-ready solutions ✅ Clean, maintainable architecture ✅ High-performance applications ✅ Fast and secure APIs ✅ Clear communication ✅ Regular progress updates ✅ Performance optimization ✅ Long-term technical support I don't believe in quick fixes or unnecessary complexity. My goal is to build software that's easy to maintain, performs well in production, and continues to support your business as it grows. Industries ✅ Healthcare ✅ Medical Technology ✅ SaaS ✅ Robotics ✅ Fleet Management ✅ Logistics ✅ Manufacturing ✅ IoT ✅ Enterprise Software If you're looking for a senior developer who can build reliable software, solve complex technical challenges, and become a long-term technology partner, I'd be happy to discuss your project.

Senior Full Stack Architect | .NET 8 & Next.js | SaaS, AI & Stripe Billing Architecting enterprise-grade, high-performance web applications and SaaS platforms. With over 7 years of full-stack engineering experience, I specialize in migrating legacy systems to modern frameworks and building secure, multi-currency architectures. HOW I DELIVER VALUE (PROVEN DEPLOYMENTS) I do not just write code; I design scalable systems. I strictly enforce the separation of business logic from the presentation layer to ensure long-term maintainability. ▪ Global B2B eCommerce & Analytics Architected a custom CMS and pricing engine supporting 27 languages. Enabled dynamic multi-currency conversions and global routing using .NET Core and Next.js. ▪ Enterprise Automation & Regression Testing Engineered a comprehensive automation testing solution, migrating legacy QA tools to .NET 8. Integrated physical device testing pipelines using HeadSpin and Selenium to drastically reduce deployment cycles. ▪ AI Proxy & Trade Quoting Architecture Developed the backend infrastructure for an AI-driven contractor application. Integrated Supabase, Twilio, and complex Stripe Connect payment gateways for seamless multi-party transactions. ▪ Social Intelligence & Observability Dashboards Built scalable review aggregation platforms integrating custom data scraping. Implemented OpenTelemetry instrumentation for deep backend monitoring, distributed tracing, and metric sampling. CORE TECHNICAL SCHEMA ► Enterprise Backend: .NET 8, C#, ASP.NET Web API, RESTful Architecture ► High-Performance Frontend: React, Next.js (App Router), TypeScript, WCAG Accessibility ► Cloud & Infrastructure: Azure App Services, Azure DevOps, CI/CD pipelines, Docker, opentelemetry/Otel, Datadog, Signoz ► Databases: SQL Server (Performance Tuning, Stored Procedures), EF Core ► AI & Integrations: Local AI Model Orchestration (DeepSeek, Qwen), Stripe Webhooks, OAuth2 If your project requires robust full-stack architecture built for scale, click "Invite to Job" to discuss your roadmap.

I am a .NET Full Stack Developer with 6+ years of experience building scalable, secure, and high-performance web applications using ASP.NET Core and modern frontend technologies. I specialize in developing custom ERP systems, business applications, and data-driven solutions that help companies streamline operations and improve efficiency. My expertise includes C#, ASP.NET Core, Web API development, SQL Server, and Entity Framework, along with frontend integration using React.js. I have hands-on experience working with complex systems, optimizing performance, and converting legacy applications into modern, maintainable architectures. I focus on writing clean, efficient code and delivering solutions that are reliable, scalable, and aligned with business goals. Core Skills: ASP.NET Core C# / VB.NET Web API Development SQL Server / Database Design Entity Framework / LINQ React.js DevExpress ERP & Business Applications REST API Integration Performance Optimization What I Can Help You With: Custom ERP and business application development ASP.NET Core Web API development and integration Bug fixing and performance optimization Legacy system upgrade to .NET Core Database design and query optimization Full-stack development with React and .NET I am committed to delivering high-quality solutions with clear communication and on-time delivery.

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.

⭐ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗧𝗮𝗹𝗲𝗻𝘁 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 ✅ 𝟭𝟭+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗽𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 ✅ 𝟱𝟱+ 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 (Upwork + direct clients) ✅ 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗯𝘆 𝗶𝗻𝘁𝗲𝗿𝗻𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗮𝗰𝗿𝗼𝘀𝘀 𝘁𝗵𝗲 𝗨𝗦𝗔, 𝗨𝗞, 𝗮𝗻𝗱 𝗖𝗮𝗻𝗮𝗱𝗮 Are you looking for a reliable .NET developer to build scalable web applications or high-performance APIs? I’m a 𝗦𝗲𝗻𝗶𝗼𝗿 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 .𝗡𝗘𝗧 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 with 11+ years of experience building enterprise web systems, SaaS platforms, RESTful APIs, and cloud-ready applications using modern Microsoft technologies. I specialize in turning complex business requirements into secure, scalable, and maintainable software solutions. 𝗧𝗘𝗖𝗛𝗡𝗜𝗖𝗔𝗟 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 𝗖𝗹𝗼𝘂𝗱 & 𝗔𝘇𝘂𝗿𝗲 Azure App Services, Azure SQL, Azure Functions, Azure SignalR, Azure Storage, Azure Service Bus. 𝗪𝗲𝗯 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ASP.NET Core, ASP.NET MVC, Web API, JavaScript, TypeScript, React, Next.js, jQuery, Bootstrap, HTML5, CSS3, Material UI 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 C#, .NET Framework, .NET Core / .NET (3.1–8), Entity Framework, EF Core, Dapper, NHibernate, LINQ, ADO.NET, SQL Server, T-SQL, MySQL. 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀 REST APIs, OAuth, Identity Server, DocuSign, Mandrill, Authorize.NET, HelloSign, Google Place API, Google Contact API. 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 & 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲𝘀 Microservices, Clean Architecture, OOP, SOLID Principles, Monolithic Architecture, Asynchronous Programming, TDD Development. 𝗗𝗲𝘃𝗢𝗽𝘀 & 𝗧𝗼𝗼𝗹𝘀 Git (GitHub, Bitbucket, GitLab), TFS , Azure DevOps, CI/CD Pipelines (Classic & YAML), Postman, Open API, Fiddler, Visual Studio (2008 - 2026), Visual Studio Code, JetBrains, RedGate Profilers, SVN, Atlassian. 𝗥𝗲𝗽𝗼𝗿𝘁𝗶𝗻𝗴 SSRS, RDLC, SAP Crystal Reports, Telerik Reporting, DevExpress Reporting 𝗗𝗲𝘀𝗸𝘁𝗼𝗽 & 𝗟𝗲𝗴𝗮𝗰𝘆 𝗦𝘆𝘀𝘁𝗲𝗺𝘀 .NET WinForms, ASP.NET WebForms, Telerik UI, DevExpress 𝗡𝗢𝗧𝗔𝗕𝗟𝗘 𝗣𝗥𝗢𝗝𝗘𝗖𝗧 𝗛𝗜𝗚𝗛𝗟𝗜𝗚𝗛𝗧𝗦 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗦𝗮𝗮𝗦 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 Built a scalable SaaS solution using ASP.NET Core, EF Core, and Azure Cloud, enabling multi-tenant architecture with role-based access control. Integrated RESTful APIs (DocuSign, Google Place API) to automate workflows, reducing manual tasks by 40%. • 𝗔𝘇𝘂𝗿𝗲 𝗗𝗲𝘃𝗢𝗽𝘀 𝗖𝗜/𝗖𝗗 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 Implemented YAML-based CI/CD pipelines for a high-traffic web application, reducing deployment time by 30% and improving release reliability. Used Azure App Services, Azure SQL, and Azure Key-Vault for secure, automated deployments. • 𝗟𝗲𝗴𝗮𝗰𝘆 𝗦𝘆𝘀𝘁𝗲𝗺 𝗠𝗼𝗱𝗲𝗿𝗻𝗶𝘇𝗮𝘁𝗶𝗼𝗻 Migrated a monolithic .NET Framework application to .NET 8, adopting Clean Architecture and Microservices. Improved performance by 50% and reduced maintenance costs. • 𝗖𝘂𝘀𝘁𝗼𝗺 𝗥𝗲𝗽𝗼𝗿𝘁𝗶𝗻𝗴 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱 𝘄𝗶𝘁𝗵 𝗧𝗲𝗹𝗲𝗿𝗶𝗸 & 𝗗𝗲𝘃𝗘𝘅𝗽𝗿𝗲𝘀𝘀 Created interactive dashboards with Telerik & DevExpress, integrating SSRS for real-time data visualization. Enabled dynamic report generation with export functionality. • 𝗖𝗿𝗼𝘀𝘀-𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺 𝗗𝗲𝘀𝗸𝘁𝗼𝗽 & 𝗪𝗲𝗯 𝗙𝗼𝗿𝗺𝘀 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 Built a hybrid solution using .NET WinForms and ASP.NET WebForms for a logistics client, integrating Telerik / DevExpress controls to improved performance and consistent design, improving efficiency by 25%. • 𝗦𝗦𝗢 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 𝗳𝗼𝗿 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 Delivered Single Sign-On solutions using Identity Server (3,4) / Keycloak, ensuring secure, seamless authentication across platforms. I focus on delivering high-quality, scalable, and secure solutions while maintaining clear communication and reliable delivery. If you need assistance with ASP.NET Core, Web APIs, SaaS platforms, or Azure-based applications, feel free to send me a message—I’d love to discuss your project. 𝗖𝗼𝗿𝗲 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀: ASP.NET Core | .NET | C# | ASP.NET MVC | Web API | REST API | React | SQL Server | Entity Framework | Dapper | NHibernate | Azure | SaaS Development | Microservices | Clean Architecture | Telerik | Kendo UI | DevExpress