I am an experienced .NET Developer with over 5 years of professional experience delivering quality software solutions. As a Top Rated Plus freelancer on Upwork, I have successfully collaborated with clients across the globe. 🔧 Core Technical Expertise: 🧠 AI & Intelligent Systems: Seamless integration of OpenAI, Azure Services, and other AI-powered features into .NET applications 🌐 Web Development: Modern and responsive web applications using ASP.NET Core, ASP.NET MVC, Blazor, JavaScript, jQuery, and AJAX 💻 Desktop Applications: Robust Windows desktop apps with WPF and WinForms 📱 Cross-Platform Development: Native and hybrid mobile/desktop apps using .NET MAUI and .NET MAUI Blazor 🚀 APIs & Real-Time Communication/Automations: Scalable and secure REST APIs, SignalR, WebHooks, and third-party API integrations 🛢️ Databases & Data Access: Efficient data management with MS SQL Server, SQLite, MongoDB, Entity Framework (EF & EF Core), and Dapper ✅ Why to Work With Me: * Proven Track Record: Recognized as Top Rated Plus, highlighting long-term client satisfaction and consistent delivery * Clean, Maintainable Code: Prioritizing performance, security, and scalability * Good Communication: Transparent, proactive, and focused on delivering business value 📩 Let’s connect to discuss how I can contribute to your project's success.

I’m an experienced ERP/POS Developer and SaaS Product Specialist with a strong focus on building scalable, automation-driven systems for businesses. I specialize in designing and developing end-to-end solutions that streamline operations, improve efficiency, and support business growth. With hands-on expertise in ERP systems, POS applications, and SaaS platforms, I have worked on projects involving inventory management, billing systems, user roles/permissions, reporting dashboards, and multi-tenant architectures. I also bring solid experience in Microsoft 365 integrations, including SharePoint, Power Automate, Teams, and Outlook workflows helping businesses automate internal processes and improve collaboration. In addition, I work extensively with n8n automation, creating powerful workflows that connect different tools (CRMs, payment systems, APIs, messaging platforms like WhatsApp) to automate repetitive tasks and enhance customer journeys. Key Skills & Expertise: ERP & POS system development (custom modules, integrations, reporting) SaaS product architecture (multi-tenant systems, scalability, API design) Microsoft 365 (Power Automate, SharePoint, Teams integrations) n8n workflow automation (API integrations, triggers, webhooks) Payment integrations (Stripe, PayPal, Razorpay) Clean UI/UX dashboards and admin panels I focus on delivering clean, secure, and scalable solutions with proper documentation and long-term maintainability. If you're looking for someone who can build, automate, and scale your systems efficiently, I’d be happy to collaborate.

Let’s Validate Before We Build , Looking to validate your product idea before going all-in? I offer a lean Proof of Concept (POC) engagement where we rapidly test your concept using real data, user flows, and reusable components – so you can see what works, what doesn't, and how to go to market faster. 🔹 Ideal for: FinTech, HealthTech, EdTech, GovTech, SaaS 🔹 Includes: Business mapping, clickable wireframes or demo, AI/LLM feasibility if needed 🔹 Delivery: 1–2 weeks 🔹 Outcome: Visual, interactive POC to present to investors or users This helps you save time, reduce cost, and build only what truly matters. Let’s build your proof before your product using my experience as mentioned below. 💡 With over 13 years of expertise in software development, project management, system analysis, and solution architecture, my focus lies in CRM, Insurance, workflow automation, supply chain management, and custom ERP development. Throughout my career, I have predominantly functioned as a full-stack engineer, emphasizing backend workflow applications. Proficient in the complete software development life cycle (SDLC) and adhering to best practices, I am a dedicated problem-solver with an analytical and driven mindset. My commitment extends to meeting demanding development objectives within tight schedules, consistently delivering impeccable code. I possess extensive knowledge in the following technologies: ⚡ASP.NET CORE Web API ⚡ASP.NET Core MVC ⚡C#, .VB.net ⚡ASP, ASP.NET Web Forms ⚡MVC ⚡WPF ⚡Winforms ⚡ASP.NET Blazor Server ⚡ASP.NET Web API ⚡WCF Services ⚡Docker ⚡RabbitMQ ⚡Microservices ⚡MS SQL Server ⚡PostgreSQL ⚡MySQL ⚡MongoDB ⚡SQL query optimization ⚡Azure DevOps ⚡Azure Pipelines CI/CD ⚡SVN ⚡TFS ⚡GitHub ⚡Azure Directory B2C ⚡Azure Kubernetes Service (AKS) ⚡Azure Functions ⚡Azure Blob Storage ⚡Azure App Service ⚡Azure Load Balancer ⚡Notification Hubs ⚡Azure Cosmos DB ⚡App Configuration ⚡IIS web Hosting ⚡Azure web services ⚡Entity Framework ⚡Entity Framework Core ⚡N Hibernate ⚡ADO.NET ⚡Payment Gateways (Braintree, Stripe, Paypal, etc.) ⚡HTML5 ⚡CSS ⚡Bootstrap 4 ⚡JavaScript ⚡jQuery ⚡MsTest ⚡nUnit ⚡xUnit ⚡DevExpress controls such as dx-piechart, dx-chart, stackedbar, Bar, doughnutChart, linegraph, side by side bar I have experience working with ETL/BI tools, including MS SQL Server, Azure Data Factory, T-SQL, SSIS, SSAS, SSRS, PowerBI, Tableau, Crystal Reports, and other Data Warehouse and Business Intelligence/Reporting Services & Epicor Kinetic Data Integration. Additionally, I have integrated hardware components like RFID Readers, Thermal Printers (Posiflex and Epson), MSR Readers, Barcode Scanners, Tunnel Controllers, and Cash Drawers. As a client, the essential skills you can expect from me include: ⚡ Effective Communication ⚡ Quick Learner ⚡ Patient Work Discipline Against Obstacles ⚡ Task & Time Management Under Limited Deadlines ⚡ Ability to Prioritize Tasks

As a full-stack .NET developer with years in fintech, I build robust websites, management systems, reporting platforms, APIs, and payment gateways using .NET Core, Angular, React, and the Microsoft stack. I specialize in secure, scalable solutions that drive revenue delivering award-winning projects like the fslgroup com Logistic Benefit Virtual Wallet with Stripe/PayPal recurring payments. Why Clients Choose Me: ✔Proven Results: Architected fintech platforms handling high-volume transactions reduced deployment time by 40% via Azure/AWS cloud migrations. ✔End-to-End Delivery: From concept to maintenance, ensuring security, performance, and compliance. ✔Agile Collaboration: 100% on-time delivery using JIRA, Azure DevOps, or your preferred tools. Core .NET & Fintech Expertise ✔Custom ASP.NET Core/MVC/Blazor apps, Minimal APIs, ABPio ✔Payment integrations (Stripe, PayPal recurring billing, 3rd-party gateways) ✔Full-stack fronts (Angular, React JS, Bootstrap/Material UI) ✔Microservices, SignalR real-time, REST/Web API/WCF ✔Cloud/DevOps: Azure/AWS (ECS, EKS, Kubernetes, Docker), CI/CD pipelines ✔Databases: SQL Server, Cosmos DB, MongoDB, Redis, RabbitMQ, EF Core/Dapper Business Solutions Delivered ✔Fintech platforms & virtual wallets (e.g. fslgroup com) ✔HRM/HRIS, Payroll, Employee Management ✔Supply Chain (SCM), Inventory Control ✔EMR/EHR systems ✔PoS, Online Ordering ✔ERP/CRM with API integrations ✔Reporting dashboards & BI tools ✔Legacy Asp NET migrations Project Management Tools I Use ✔Upwork Message Board, Zoom ✔JIRA, Azure DevOps, Asana, Trello ✔GitHub/GitLab CI/CD Ready to scale your fintech project? Let's discuss your needs!

I’m a dedicated .NET Software Developer with 7+ years of hands-on experience in building and maintaining high-performance product-based web applications using ASP.NET MVC, .NET Core, jQuery, HTML, CSS, and other modern web technologies. I take pride in achieving 100% client satisfaction and timely project delivery. ✅ What I Can Offer in Your ASP.NET Web Application: 🔐 Secure Login/Sign-Up functionality with session management 🌐 SEO-friendly & responsive web design 🎨 Sleek, user-friendly GUI design ⚡ Performance and speed optimization 🔌 API integration (REST, third-party) 🐞 Complete error handling and logging 🛠️ Functional & intuitive Admin Panel 🐛 Bug fixing in your existing ASP.NET applications 🚀 Deployment on server 💻 Setup support via screen sharing (Zoom/Anydesk) 🔧 My Tech Stack Backend Frameworks: ASP.NET MVC / .NET Core Entity Framework ADO.NET Web API Languages & Patterns: C# Repository Pattern N-Tier Architecture Dependency Injection (DI) Frontend Tools: HTML5 CSS3 Bootstrap JavaScript jQuery AJAX 💡 Why Work With Me? 🧼 Clean, well-structured, and commented code 🎯 Use of best practices and scalable architecture ⏱️ Always deliver on time and within budget ♻️ Unlimited revisions until you're satisfied 📞 Free guidance & technical consultation I’ve joined Upwork to help businesses like yours with fully dedicated, reliable, and quality-driven development. Let's bring your ideas to life with precision and passion! Let’s connect and discuss how I can help! Best Regards Daud Raza .NET Developer Upwork .NET Development Upwork ASP.NET Developer Upwork ASP.NET Core Developer Upwork C# Developer Upwork .NET Web Development Upwork .NET Application Development Upwork .NET Software Developer Upwork .NET API Development Upwork .NET Backend Developer Upwork .NET Full Stack Developer Upwork ASP.NET MVC Developer Upwork .NET Core Developer Upwork .NET Microservices Developer .NET REST API Developer .NET Web API Development .NET Enterprise Application Development .NET Database Development .NET SQL Server Developer .NET Azure Developer .NET Cloud Application Development .NET Integration Developer .NET Performance Optimization .NET Maintenance and Support .NET Migration & Upgrade Services

Senior .NET developer with 20,000+ hours on Upwork and 100+ successfully completed projects — consistently delivering high-quality, maintainable solutions on time. I build robust ASP.NET Core web applications and APIs, and I integrate AI tools natively into my development workflow: using Claude Code and Cursor for faster, smarter coding, Perplexity for technical research, and ChatGPT for rapid prototyping. This means you get the output of a senior developer with the speed of a modern AI-assisted pipeline. Whether you need a complex MVC application, a clean REST API, or a Sitefinity CMS build — I bring both deep expertise and cutting-edge tooling to every project. Official Sitefinity Solutions Developer — Certified

I am a dedicated software engineer with five years of experience in developing commercial web and mobile applications using .NET technologies. My technical expertise spans C#, Vue.js, React, SQL (both SQL Server and PostgreSQL), HTML, and CSS. Throughout my career, I have successfully contributed to various projects, excelling in database design, API integration, user interface design, and testing. I am well-versed in Agile methodologies, which have allowed me to efficiently deliver robust and scalable solutions tailored to client needs. I hold a bachelor's degree in Information Technology from the Belarusian State University of Informatics and Radioelectronics, where I gained a strong foundation in software development principles. My passion for technology motivates me to consistently deliver high-quality, user-friendly applications that not only meet but exceed client expectations. I am dedicated to continuous learning and keeping up with industry trends to ensure the solutions I provide are innovative and impactful. Feel free to reach out and discuss potential collaboration opportunities or share insights on the latest developments in software. I look forward to engaging with fellow professionals and building meaningful connections within the tech community.

With over 8 years of professional software development experience, I specialize in delivering high-impact custom applications and seamless ERP integrations that drive real business results. My core expertise includes: 🔹 Custom Software Development Built over 15+ custom web applications using .NET Core, Angular, and SQL Server Created & consulted on MVPs for 3 startups, accelerating time-to-market by 40% Modernized legacy Webforms systems to .NET Core + Angular, improving performance by 60% 🔹 SAP Business One Integrations & Consultation Completed 12+ SAP B1 Integrations across industries (Retail, Manufacturing, Wholesale) Developed 3 SAP Add-ons for inventory management, reporting automation, and finance sync Integrated SAP B1 with platforms like Shopify, Amazon, eBay, Retail Pro, Salesforce, and custom CRMs /ERP's Delivered SAP-integrated POS Inventory Systems syncing over 10,000 daily transactions Launched SAP API Gateway used for different web portals & handling the integration between SAP Business One & Retail pro, used in 100+ branches Retail Store. Key Achievements: Enabled businesses to achieve up to 30% faster operational workflows with SAP automations Helped clients scale revenues by 20%-50% through integrated, real-time systems Managed seamless API integrations processing 50K+ records daily without downtime Whether you need a robust SaaS application, a custom ERP extension, or API integrations that scale with your business, I can deliver solutions built for reliability, scalability, and future growth. 📩 Let's connect to discuss how we can bring your project to life.

I am a Senior .NET Developer with over 10 years of experience building high-quality eCommerce stores, scalable web applications, custom APIs, and cloud-based business systems. My main expertise is in nopCommerce and the Microsoft .NET stack. I work with ASP.NET Core, MVC, C#, Web API, SQL Server, Entity Framework, Vue.js, Angular, React, Azure, AWS, Docker, and modern application architecture. I have strong hands-on experience with nopCommerce customization, custom plugin development, theme customization, checkout changes, payment and shipping integrations, ERP/CRM integrations, performance optimization, version upgrades, and long-term store maintenance. I can help with: - nopCommerce custom plugin development - nopCommerce theme and UI customization - Payment gateway and shipping integration - ERP, CRM, and third-party API integration - ASP.NET Core and C# web application development - REST API development and integration - SQL Server optimization and database fixes - Vue.js, Angular, and React frontend work - Azure, AWS, Docker, and cloud deployment - Performance tuning, bug fixing, and code refactoring - Long-term support and maintenance I focus on clean code, clear communication, fast delivery, and long-term client success. Whether you need a nopCommerce expert, a full-stack .NET developer, or help with cloud-based business applications, I can deliver reliable and scalable solutions.

Master’s in Computer Science | 14+ Years of Experience | 14,000+ Work Hours on Upwork I'm a Full-Stack Developer specializing in system architecture and cloud solutions, with a strong focus on seamless integration, security, and performance optimization. 🛠 Tech Stack & Development Expertise ✅ .NET & Microsoft Technologies – C#, .NET Core, ASP.NET MVC & Web Forms, REST APIs, Background Services ✅ Frontend Frameworks – Angular, React, TypeScript, Razor and Blazor Views, Javascript, JQuery, HTML, CSS, Bootstrap and pixel perfect responsive designing. ✅ Database Systems – MSSQL, PostgreSQL, MongoDB, CosmosDB ✅ Software Architecture – SOLID, ACID, Repository Pattern, Dependency Injection, Onion Architecture 💡 Messaging Queues & High-Throughput Systems ✅ Enterprise-Grade Queue Push Services – Designed and implemented ActiveMQ, RabbitMQ, Hangfire and JMS based queue push services, capable of processing 10+ million records per hour with optimized throughput and reliability. ✅ Performance Tuning, Fault Handling & Auto-Recovery – Improved message batching, concurrency, and fault tolerance to maximize efficiency and scalability. also developed reliable reconnection strategies to handle connection failures in distributed environments, ensuring uninterrupted processing. 🔒 Security Audits & Performance Optimization for Legacy Systems ✅ Vulnerability Assessment & Penetration Testing (VAPT) Fixes – Strengthening applications against security threats. ✅ Security Hardening – Implementing secure headers, cookie policies, and encryption techniques. ✅ Session & Data Leak Prevention – Ensuring data integrity and security. ✅ Database Optimization – Performance tuning via indexing, query optimization, and partitioning. ✅ Advanced Encryption Techniques: Enhancing password security and safeguarding user data. 🔗 Third-Party Integrations ✅ Payments & Transactions: Stripe, Authorize.Net, Wise ✅ Messaging & Communication: Twilio, SendGrid, Intercom ✅ Error Tracking & Logging: Sentry, Graylog, Rollbar, Seq, Azure Insights ✅ Azure Services: Azure Functions, CosmosDB, Azure SQL, Azure Blob Storage, Key Vault, Service Bus ✅ Testing & Automation: Microsoft Playwright, xUnit, Jest, Jasmine, MSTest ✅ SSO & Authentication: OAuth, OpenID Connect, SAML ✅ Kendo UI (MVC, Angular, Web forms using Telerik red grid) ✅ Project Management: Azure, JIRA, Confluence, Zendesk ✅ DevOps & Infrastructure: Github, Redis, Docker, Kubernetes, Bitbucket, SVN, SourceTree, TFS ✅ Legacy System Modernization – Migrating and optimizing legacy code for scalability, security, and maintainability. ✅ E-commerce Development – NopCommerce customization, Telerik/Kendo grids, and payment integrations. 🚀 Let's Build Something Great Together!