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Hi 👋 I'm Jeetendra Sharma, a complete-package technologist with 20+ years of hands-on experience designing, building, and scaling software solutions, web applications, and desktop systems across nearly every business domain you can name. I don't just write code. I lead, automate, architect, deploy, and manage teams, and now, with AI woven into my workflow, I deliver in a fraction of the time without cutting a single corner. Hire me once, and you replace an entire tech department. ⚡ 🏆 20+ Years of Production-Grade Delivery ⭐ Cross-Domain Software Expert ✅ AI-Powered Development Specialist ✅ End-to-End Ownership — Idea → Launch → Long-Term Support 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐮𝐢𝐥𝐝 𝐅𝐨𝐫 𝐘𝐨𝐮𝐫 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬: ➡️ 𝐀𝐈-𝐏𝐨𝐰𝐞𝐫𝐞𝐝 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 Smart automations, AI assistants, document intelligence, and Claude/ChatGPT-driven features built directly into your products and operations to cut manual work by 60-80%. ➡️ 𝐁𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐒𝐞𝐭𝐮𝐩 𝐅𝐫𝐨𝐦 𝐙𝐞𝐫𝐨 Choosing your stack, wiring your tools, automating your processes, training your team I get your entire tech foundation right the first time so you don't pay twice. ➡️ 𝐂𝐫𝐨𝐬𝐬-𝐃𝐨𝐦𝐚𝐢𝐧 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 Two decades of shipping for e-commerce manufacturing, healthcare, education, logistics, retail, real estate, and finance. Chances are I've already solved a problem just like yours. ➡️ 𝐂𝐮𝐬𝐭𝐨𝐦 𝐖𝐞𝐛 𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 Customer portals, dashboards, internal tools, marketplaces, a booking platforms fully tailored to how your business actually operates, not a generic template. ➡️ 𝐃𝐞𝐬𝐤𝐭𝐨𝐩 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 Windows-based business tools, POS systems, inventory software, accounting modules, and offline-first applications engineered for reliability in real-world environments. ➡️ 𝐋𝐞𝐠𝐚𝐜𝐲 𝐒𝐲𝐬𝐭𝐞𝐦 𝐑𝐞𝐬𝐜𝐮𝐞 & 𝐌𝐨𝐝𝐞𝐫𝐧𝐢𝐳𝐚𝐭𝐢𝐨𝐧 Outdated software dragging you down? I rebuild slow, fragile codebases into clean, modern architectures with zero disruption to what's already running. ➡️ 𝐓𝐞𝐚𝐦 𝐋𝐞𝐚𝐝𝐞𝐫𝐬𝐡𝐢𝐩 & 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 𝐎𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩 Need scale? I bring a vetted team, the playbook, and the discipline to ship you get one accountable point of contact instead of five. 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐊𝐞𝐞𝐩 𝐂𝐡𝐨𝐨𝐬𝐢𝐧𝐠 𝐌𝐞: ✅ 𝐓𝐰𝐨 𝐃𝐞𝐜𝐚𝐝𝐞𝐬, 𝐙𝐞𝐫𝐨 𝐄𝐱𝐜𝐮𝐬𝐞𝐬: proven delivery for real businesses, not theory ✅ 𝐂𝐥𝐞𝐚𝐫, 𝐇𝐨𝐧𝐞𝐬𝐭 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧: straight talk, real timelines, no surprises ✅ 𝐀𝐈-𝐀𝐜𝐜𝐞𝐥𝐞𝐫𝐚𝐭𝐞𝐝 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲: full systems shipped in a week, not a quarter ✅ 𝐁𝐮𝐢𝐥𝐭 𝐭𝐨 𝐋𝐚𝐬𝐭: projects from a decade ago still powering businesses today ✅ 𝐏𝐨𝐬𝐭-𝐋𝐚𝐮𝐧𝐜𝐡 𝐏𝐚𝐫𝐭𝐧𝐞𝐫𝐬𝐡𝐢𝐩: I stay involved long after delivery ✅ 𝐎𝐧𝐞 𝐇𝐢𝐫𝐞, 𝐄𝐯𝐞𝐫𝐲 𝐒𝐤𝐢𝐥𝐥: coder, architect, manager, AI strategist, sysadmin in one 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤: ⚡ 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝 → React, Next.js, Angular, Bootstrap, TypeScript, Tailwind CSS ⚡ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 → .NET & C# ⚡ 𝐃𝐞𝐬𝐤𝐭𝐨𝐩 → WPF, .NET Desktop Apps ⚡ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 → MySQL, PostgreSQL, SQL Server, Firebase ⚡ 𝐂𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬 → AWS, Azure, Docker, CI/CD pipelines ⚡ 𝐂𝐌𝐒 & 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 → PODStoreFront and Shopify 𝐀𝐈 𝐓𝐨𝐨𝐥𝐬 𝐈'𝐯𝐞 𝐌𝐚𝐬𝐭𝐞𝐫𝐞𝐝: ➤ Claude (Anthropic) — my daily driver for code, architecture, content ➤ ChatGPT & OpenAI APIs — automation, integrations, custom GPTs ➤ ClickUp AI — project orchestration and team workflow automation ➤ Cursor, Claude Code, GitHub Copilot — pair-coding at machine speed ➤ MCP servers & AI agent integrations — embedding intelligence into your stack 𝐑𝐞𝐚𝐥-𝐖𝐨𝐫𝐥𝐝 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 𝐈'𝐯𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝: ✦ PODStoreFront: No-code ecommerce and POD storefront builder, built-in product customizer and other integrations. ✦ MDM: Automated warehouse system with PO generation, carrier integration, and serial tracking for fast, accurate logistics. ✦ Duplium: Smart Printer Suite unifying production control, inventory, and one-click invoicing for high-volume print operations. ✦ DR.Talk: HIPAA-compliant mobile platform for patient texting, dental chatbots, and curbside check-in. ✦ MarshallZehr: Intelligent fintech software automating lending workflows and analytics for real estate lenders. ✦ Speed Identity: Enterprise biometric system with fingerprint, signature, and multi-modal kiosk capture. ✦ LP Soul: Full-service POD eCommerce platform with custom product customizer and multi-currency admin for global apparel & accessories. 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮'𝐥𝐥 𝐆𝐞𝐭 𝐖𝐨𝐫𝐤𝐢𝐧𝐠 𝐖𝐢𝐭𝐡 𝐌𝐞: ✔️ Software shaped around your business goals not a cookie-cutter build ✔️ Interfaces your users actually enjoy and your team can run without training ✔️ Backend systems that hold up under real load, not just demo conditions ✔️ Continuous post-launch support, updates, and optimization ✔️ One partner accountable for the whole journey — strategy through scale 📩 Send me a message or invite me to your project. Let's talk. 🚀

Real-world Windows Desktop Solutions Specialist I help companies with existing desktop systems — not prototypes — by improving stability, performance, and maintainability so your software keeps running smoothly and grows with your business. I specialize in: ✅ WinForms & WPF development & modernization ✅ DevExpress UI & large, performant grids ✅ Legacy system cleanups & feature additions ✅ Multithreading, async, performance tuning ✅ Integration, reporting & database workflows With 17+ years of experience on real production products — including trading systems, market-risk tools, and enterprise real-estate platforms — I solve hard desktop problems where others struggle. If your project has complexity, users, and ongoing needs — let’s talk about how I can bring reliability, performance, and clarity to your codebase.

With 8+ years of extensive experience in software development, I specialize in building high performance, scalable, and user centric WEB and DESKTOP APPLICATIONS using modern technologies. My core expertise lies in Microsoft based development (.NET, C#, ASP.NET Core/MVC, Blazor), combined with modern frontend frameworks like React, Angular, and mapping/GIS tools including ArcGIS, and business intelligence solutions with Power BI for interactive dashboards, data visualization, and actionable reporting. I also have strong proficiency in working with a variety of databases, including SQL Server, PostgreSQL, Supabase, MySQL, and MongoDB; ensuring robust data modeling, performance tuning, and secure data handling across applications. Whether you need an enterprise-grade backend, interactive frontend interfaces, geospatial data integration, or a reliable full-stack partner, I bring the right blend of technical skill, professionalism, and client focused service. - Why Clients Hire Me: A. Proven Track Record – Top Rated, $100K+ earnings, and 90%+ long-term client retention. B. Strict Deadline Adherence – I consistently deliver on time, without compromising quality. C. Scalable, Clean Code – Maintainable, modular codebase following best practices. D. Exceptional Communication – Transparent, responsive, and proactive collaboration. - Technical Expertise: a. Backend: C#, ASP.NET Core/MVC, Web API, Node.js, Express.js, Blazor, OWIN, IIS b. Frontend: React, Angular, Razor, Next.js, Vue.js, Typescript, Bootstrap, Tailwind CSS, Kendo UI, jQuery c. GIS/Mapping: ArcGIS JavaScript API, ArcGIS REST services integration d. Databases: SQL Server, PostgreSQL, MySQL, Supabase, MongoDB e. Cloud/DevOps: Azure DevOps, AWS (S3, EC2, Lambda), GitHub Actions, Docker f. APIs & Integrations: REST, GraphQL, SOAP/WSDL, SSO/Auth systems Primary Skills (Core Stack): - Full Stack Developer - .NET Developer - ASP.NET Core Developer - C# Backend Developer - React.js Developer - Angular Developer - Blazor Developer - MAUI App Developer - .NET MAUI Developer - Web API Developer - Entity Framework Core - Razor Pages - SignalR Developer Frontend Technologies: - JavaScript Developer - TypeScript Developer - HTML5 / CSS3 / SCSS - Responsive Web Design - Tailwind CSS - Bootstrap - React Hooks - Angular Material - RxJS - Material UI (MUI) Backend / Server-Side - ASP.NET Core Web API - RESTful API Development - Microservices Architecture - Clean Architecture - Dependency Injection - Middleware in .NET - LINQ / EF Core - SQL Server / PostgreSQL / MySQL - IdentityServer / JWT Authentication Version Control & Tools: - Git / GitHub / GitLab / Bitbucket - Azure DevOps Pipelines - Jira / Trello / ClickUp - Visual Studio 2022 - Postman / Swagger - Figma to React/Angular Testing & Quality: - Unit Testing in .NET (xUnit, MSTest) - Jest for React - Cypress / Selenium - Playwright - Code Review & Refactoring Cloud & DevOps: - Azure Developer - AWS Developer - Azure App Services - Azure Functions - AWS Lambda - CI/CD (GitHub Actions, Azure DevOps) - Docker - Kubernetes - Cloudflare I work with different technologies and like complex and long-term projects, my experience allows me to solve complex problems related to the design of the project during the negotiation phase. I prefer long-term cooperation with the client and therefore try to provide maximum comfort and quality.

• More than 16+ years of experience with different IT industries. • Result-oriented, Enthusiastic nature, Positive attitude, Self-confident. • Able to handle a team with any software development with any platform system, domain, and programming languages. • Projects management through the complex processes of technology development, deployment, Software integration, operation, and all phases of the development of life cycle. • My technologies stack is - Frontend [ javascript | jquery | JSON | Ajax | CSS | Angular | BootStrap | HTML | React.js ] - Backend [ .Net Core | Web & Window Service| Web Api | Azure | WPF | Asp.net MVC ] - ORM [ Entity FrameWork | Dapper | Ado.Net ] - Database [ SQL Server | CosmosDb | MongoDb | Sqlite ] I create high-quality, testable code. I can provide consulting, software development, code review/refactoring, fixing bugs, etc. I am very good at troubleshooting, debugging, finding, and fixing bugs quickly that only a few can. if you are struggling to find an honest and dedicated freelancer for your long or short-term project then no look further and you are at the right place. Best regards, Shailesh

Available to start immediately. I build and fix real .NET & C# software. Click on Invite button to start conversation I’m a .NET Developer and C# Developer with 13+ years of experience working on production systems built in C#/.NET. Most of my work is focused on helping teams make their existing software more stable, scalable, and easier to evolve without risky rewrites. I’ve worked in long-term roles as a C#/.NET developer, often joining projects where the codebase already exists and needs structure, performance improvements, or careful modernization. 🧠 How clients usually come to me Very often, teams reach out to me as a .NET developer when they already have a product written in C#/.NET, but something isn’t working as it should. Changes are slow, bugs appear in unexpected places, or the architecture feels fragile. In those cases, I step in as a C# .NET Developer who understands how real systems grow over time and how to improve them without breaking production. Depending on the scope, I work either as a backend developer focused on logic and performance, or as a .NET Full Stack Developer when both backend and UI decisions need to be handled together. ⚙️ What I do in real projects Day to day, my work as a .NET Developer is very practical. I write and refactor C#/.NET, clean up .NET architecture, improve async flows, and make sure the application behaves predictably in production. In many projects, this naturally turns into .NET full stack work handling backend services, APIs, and UI integration where I step in as a .NET Full Stack Developer. When teams want a modern .NET Full Stack direction without splitting the codebase, I build new features or full applications using .NET MAUI/WPF/WinForms. I’ve worked with .NET apps both for new products and for migrations from older stacks like, where stability matters more than speed. 🧩 Types of systems I’ve worked on Over the years, I’ve worked as a .NET Developer, across different environments: 💻 Desktop software written in C#/.NET 🌐 Web platforms where I worked as a full stack developer on .NET backends 📱 Cross-platform apps built with .NET MAUI (Windows & Android only) 🧱 Larger products that required a true full stack developer approach 🔗 Mixed systems where .NET AI integration was part of the stack 🎮 Internal tools and simulators developed with C# 🤖 Careful use of .NET AI where it actually added value In several projects, I worked in React .NET setups, connecting React frontends to .NET backends while keeping responsibilities clean and clear. 🛠️ How I work with teams and data I’m comfortable joining existing teams and reading unfamiliar C#/.NET codebases. I focus first on understanding why decisions were made, then improving things step by step. I regularly work with SQL server, collaborate with Azure Data Engineer roles, and support data-heavy systems where performance & reliability are critical. This mix of responsibilities often places me in a .NET Full Stack Developer role even when the original task starts as pure backend work. 🛠️ Tech Stack .NET Framework, .NET 6 / 8 / 9 / 10 App Development - WPF, WinForms, WinUI, Blazor, .NET MAUI, MVVM Concurrency & Performance - Multithreading, async/await, Task Parallel Library Hardware & Protocols - Serial, Bluetooth LE, TCP/IP, UDP, RS232, RS422 Architecture & Quality - Clean Architecture, OOP, refactoring, performance tuning Security & Testing - Unit testing, Polaris, Coverity, SAST, DAST, threat modeling Data & Cloud - SQL Server, Azure Tooling - Visual Studio, VS Code, GitHub, GitHub Actions, Docker ✅ Why clients choose to work with me ✨ I think like a long-term .NET Developer, not a short-term task runner ✨ I write C# code that other C# developers can actually maintain ✨ I’m comfortable owning systems as a .NET Full Stack Developer ✨ I communicate clearly and avoid surprises ✨ I leave .NET full stack codebases cleaner and more stable than I found them 📌 Availability ✅ Available now 🌍 Remote-only ⏱️ Open to long-term collaboration If you’re looking for a .NET Developer, who can step into an existing system and improve it safely let’s chat. 👉 Send a message and we’ll review your setup together. .NET Stack | .NET Core | .NET Framework | ML.NET | Machine learning | AI Developer | Ubuntu | Linux | Windows Subsystem for Linux | PowerShell | Bash | Python | C# | C++ | C | Azure | ASP.NET | ASP.NET Core | MVC | Semantic Kernel for .NET | OpenAI & Azure OpenAI | RAG & Vector Search (Azure AI Search, pgvector) | Blazor Server | Minimal API | Web API | Angular | Entity Framework Core | SQL Server | PostgreSQL | CI/CD | GitHub Actions | Blazor WASM | SOLID principles | REST APIs | React Native | Kotlin | Embedded Systems | Claude Code | Codex | AI Engineer

I help businesses build and modernize enterprise software that integrates seamlessly with complex business workflows. I have 15+ years of professional experience, I've delivered WINDOWS DESKTOP applications, ENTERPRISE WEB platforms, POS, KIOSK, ERP, backend services, workflow automation, and integration solutions for clients across the USA, UK, and Australia. My focus is solving complex engineering problems where reliability, scalability, and maintainability are critical. I specialize in Software/Tool development using .NET Framework and .NET Core. Alongside enterprise development, I help organizations adopt AI where it delivers measurable value. I build intelligent document processing, Retrieval-Augmented Generation (RAG) systems, AI agents, semantic search, OCR pipelines, and workflow automation using Azure OpenAI and modern LLM technologies. My approach is practical: AI should improve productivity and business processes—not simply add complexity. ### Core Expertise ✔Enterprise Software Development * C#, .NET, ASP.NET Web Form, ASP.NET Core, Blazor * WPF, WinForms, .NET MAUI * Entity Framework Core * Tkinter, openpyxl, pytest, and PyInstaller * SQL Server * REST APIs & GraphQL * Windows Services * Azure & Cloud Solutions * QR Code, Bar Code ### Industry Experience ✔ AI & Intelligent Automation ✔ Transport & Fleet Management ERP ✔ Healthcare & Medical Billing ✔ Retail POS & Inventory Management ✔ Payroll & Attendance Systems ✔ School & College Management ✔ Manufacturing & Industrial Automation ✔ Financial & Invoicing Solutions **Desktop & Hardware Integration** * Windows API * USB & Serial Communication * Driver Communication * Industrial Equipment Integration * Label Printers, Barcode Scanners, Weighing Scales * Smart Card & ID Card Printers **Healthcare EDI Solutions** * ANSI X12 * EDI 837P / 837I * EDI 835 * EDI 277 * EDI 999 * Healthcare Billing Systems * Clearinghouse Integrations **Biometric & Attendance Systems** * ZKTeco * eSSL * Mantra * Cogent * Suprema * Safran * Fingerprint SDK Integration **Technical Publications & XML** * S1000D * DITA * XML * XSLT * BREX * Data Modules * Schema Validation * Publishing Automation **AI & Intelligent Automation** * Azure OpenAI * Large Language Models (LLMs) * Retrieval-Augmented Generation (RAG) * AI Agents * Semantic Search * OCR * ETL * Document Intelligence * Workflow Automation If you're looking for a senior engineer who can understand complex business requirements, modernize legacy systems, integrate enterprise technologies, and deliver production-ready software, I'd be glad to discuss your project.