I am a Senior .NET Developer and Acumatica Developer with 7+ years of experience. As a .NET Developer, I work with C#, ASP.NET Core, ASP.NET MVC. As an Acumatica Developer, I specialize in Acumatica customization and development. I work with both new and existing .NET applications and Acumatica systems. My work includes new development, existing application changes, bug fixing, API integrations, legacy application modernization, and Acumatica customization. .NET Developer | .NET Development Services: • C#, .NET, .NET Core, and .NET Framework • ASP.NET Core and ASP.NET MVC • ASP.NET Web API and REST API development • ASP.NET Web Forms • SQL Server and stored procedures • Entity Framework and Entity Framework Core • LINQ and ADO.NET • Third-party API integrations • Blazor and Razor Pages • Microsoft Azure and Azure DevOps • New feature development • .NET bug fixing and troubleshooting • Existing .NET application maintenance • Performance improvements • Legacy .NET application support • .NET application modernization and migration I have strong experience working with existing .NET applications and legacy .NET systems. A large part of my work involves understanding established codebases, troubleshooting problems, making changes safely, and extending applications without disrupting existing functionality. I have worked extensively with ASP.NET Web Forms, ASP.NET MVC, and older .NET Framework applications, as well as ASP.NET Core and modern .NET versions. This experience allows me to maintain older applications and modernize them when an upgrade or migration is required. Acumatica Developer | Acumatica Development Services: • Acumatica customization and development • Custom Acumatica screens • DAC and DAC Extensions • Graph Extensions • Custom actions and business logic • Acumatica REST API development and integrations • Third-party API integrations with Acumatica • Acumatica Generic Inquiries (GI) • Acumatica reports and dashboards • Acumatica workflows and automation • Sales Order customization • Service Order customization • Appointment and Invoice customization • Acumatica Field Service customization • Manufacturing and Distribution customization • Custom tables and data providers • Acumatica bug fixing and troubleshooting • Existing Acumatica customization changes I have strong experience working with existing Acumatica customizations and new Acumatica development requirements. I can understand existing customization code, troubleshoot issues, modify functionality, customize screens and reports, add business logic, and develop integrations with external applications and APIs. When standard Acumatica functionality does not meet a business requirement, I can develop the required customization while working with the existing Acumatica setup and business process. Experience: I have 7+ years of professional development experience as a .NET Developer and Acumatica Developer and have been working with freelance clients since 2019. I have completed 55+ jobs on Upwork, earned $30K+ on Upwork, maintained a 100% Job Success Score, and consistently received 5-star client feedback. I have also completed 200+ additional projects across other freelance platforms. Core .NET Technologies: ASP.NET Classic, ASP.NET Web Forms, ASP.NET MVC, ASP.NET Core, ASP.NET Core MVC, .NET Framework, .NET Core, .NET 6, .NET 8, .NET 10, C#, SQL Server, Entity Framework, Entity Framework Core, LINQ, ADO.NET, Razor Pages, Blazor, Angular, React, REST API, ASP.NET Web API, HTML, CSS, JavaScript, Bootstrap, Microsoft Azure, Git, and Azure DevOps,Acumatica. If you are looking for a Senior .NET Developer or Acumatica Developer, send me your requirements. I can help with .NET development, C#, ASP.NET Core, ASP.NET MVC, REST API development, legacy .NET modernization, Acumatica development, Acumatica customization, and Acumatica integrations. I will review your requirements, ask the right questions, and provide a clear and realistic time estimate before starting.

✅Let's start with a quick consultation or a small initial milestone so you can see I'm the right fit. 🔥PROVEN BUSINESS IMPACT - 10+ Years of engineering and building enterprise-grade applications as a .NET developer in high-stakes environments. - ROI-Driven Development: $2.5M+ in verified client impact, leveraging my background as a full stack developer to increase revenue and reduce operational overhead through expert software development. - Performance Engineering: 90% faster data processing and 75% lower infrastructure costs achieved through advanced Microservices and optimization as a senior .NET developer proficient in ASP.NET Core. - Scalability & Growth: Scaled platforms to 30,000+ active users; consistently cut time-to-market for MVPs by 4–6 weeks by applying the expertise of a seasoned full stack developer. - Legacy Modernization: Proven track record as a .NET developer migrating legacy systems - including .NET Framework and .NET Compact Framework - to modern architectures, resulting in 40% fewer bugs. - Efficiency Gains: Reduced admin friction by 45% through custom-built automation, demonstrating the value a dedicated full-stack developer brings to complex SQL-driven workflows. 👨🏻‍💻THE PARTNERSHIP EXPERIENCE - Full-Stack Authority: Microsoft-certified expertise spanning the entire development lifecycle, from robust C# backend architecture to dynamic frontend interfaces. - Versatile Tech Lead: Whether you need a full stack developer for MVP creation, a .NET developer for enterprise scale, or a java developer for backend migration, I bridge the gap between technical requirements and business goals. I also offer the flexibility of a java developer for interoperability, and the analytical power of a python developer for data-heavy tasks. - Agile & Transparent: High-velocity delivery using JIRA/Asana, providing the clear, consistent communication expected from a senior full-stack developer. ⚙️ ENGINEERING CAPABILITIES - Backend Architecture: Building high-throughput systems with C#, ASP.NET Core, and ASP.NET Web API. I also offer the flexibility of a java developer to integrate with diverse existing ecosystems. - Modern Frontend: Crafting dynamic UI/UX using Angular, React, and JavaScript. My deep experience with HTML5, CSS 3, and Bootstrap ensures highly responsive, mobile-first designs. - Cloud & Infrastructure: End-to-end management of cloud-native ecosystems (Azure/AWS) and containerized deployment pipelines as a lead .NET developer. - Data & Performance: Advanced database design using Microsoft SQL Server and complex SQL queries to cut data latencies by up to 50%. - Cross-Functional Skills: I bring the architectural discipline of a .NET developer - including ASP.NET MVC and ASP.NET expertise - to every project, while also offering the modern tooling mindset of a full stack developer using Node.js. 🏆 DOMAIN SPECIALTIES - FinTech: Secure ledger systems and transaction management built by a specialized .NET developer. - Healthcare: HIPAA-compliant patient management portals and telehealth solutions. - LegalTech/Enterprise: Complex document workflows and granular RBAC. ⚒️ TECHNICAL TOOLSET - The .NET Stack: .NET Framework, .NET Compact Framework, ASP.NET Core, ASP.NET Web API, ASP.NET MVC, ASP.NET, C#. - Frontend Mastery: Angular, React, JavaScript, HTML5, CSS 3, Bootstrap, jQuery. - Data Layer: Microsoft SQL Server, SQL, Redis, MongoDB, ElasticSearch. - General Stack: Node.js, Python, Docker, CI/CD. - Engineering Standard: Clean Architecture, SOLID Principles, and an uncompromising focus on software development quality. 📩If you’re looking for a reliable and experienced .NET Developer and full stack development partner who understands both technology and business impact, I’d be happy to connect - feel free to invite me for an interview!

.NET Developer with over 15 years of experience. I help companies build scalable .NET backend and frontend. Worked on projects for Microsoft and Shell. 97% of my clients are satisfied with my work.🧑‍💻Interested in building scalable enterprise and startup systems. Let's create powerful software together! Are you in search of a Senior .NET Developer who can build, scale, and maintain resilient software systems for web, desktop, and cloud-based applications? You’re in the right place. I’m Eugene - a seasoned .NET developer with deep expertise in full-stack architecture, Azure-based services, REST APIs, relational databases, and scalable backend platforms. Over the years, I’ve taken the lead on mission-critical software projects for top-tier clients, including Microsoft and Shell. I’ve delivered a wide array of business solutions using C#, ASP.NET Core, .NET Stack, Entity Framework, SQL Server, PostgreSQL, WPF, WinForms, and Azure App Services. My portfolio includes scalable web platforms, API-driven microservices, high-performance desktop tools, and cloud-native architectures powered by Docker and CI/CD workflows. 👨‍💻 Areas Where I Excel: ✅ Full-Stack .NET Development I craft backend and frontend solutions with ASP.NET Core, .NET 6/8, MVC, Razor Pages, and Web API. I also bring experience with Blazor, Angular, and React, following clean architecture and SOLID design. ✅ Desktop Application Engineering I build Windows apps using WPF, WinForms, MVVM, and Telerik controls. These include hardware integrations, PDF/image processing, and offline functionality. ✅ API Development & Integration I create and connect REST APIs with third-party services such as Stripe, Twilio, SendGrid, and CRM systems. I also develop custom APIs for tools like print services and internal dashboards. ✅ Database Architecture & Optimization I design performant database schemas and manage SQL Server, PostgreSQL, MySQL, and Cosmos DB. I focus on query performance, indexing, and schema evolution. ✅ Cloud & DevOps I deploy apps using Azure App Services, Functions, and CI/CD with GitHub Actions or Azure DevOps. I containerize services with Docker and orchestrate deployments via Kubernetes. ✅ Microservices & Distributed Architecture I build .NET Core microservices with RabbitMQ, Kafka, and Ocelot. These systems serve web and mobile platforms with real-time and asynchronous communication. 🔍 Key Project Highlights: iGaming Platform: Built a real-time casino system using .NET Core, SignalR, Kafka, ScyllaDB, ClickHouse, PostgreSQL, ELK stack, and Power BI. Deployed via Docker on AWS. Loan Automation: Delivered a full-cycle loan platform with .NET Core, OData, EF Core, Azure Service Bus, Hangfire, CosmosDB, Angular, and Power BI. App Marketplace: Developed a microservice-based SaaS platform with RabbitMQ, Stripe, Angular 6, Ocelot, Autofac, and SQL Server. Fleet ERP: Built WPF/Angular tracking ERP with EF6, SQL Server, MEF, GIS, and modules for driver behavior, fuel tracking, and maintenance. Insurance System: Created a UBI platform on ASP.NET Core, AngularJS, Kendo UI, and MS SQL for fraud detection and claims processing. Outlook CRM: Developed CRM integration for Outlook using ASP.NET MVC, AngularJS, Kendo UI, Azure Services, and hosted on IIS. Logistics ERP: Led development of a WPF .NET AngularJS ERP for transport tracking, satellite communication, and business ops. Medical Monitoring: Built a diagnostics app with ASP.NET MVC, DurandalJS, EF, and MS SQL. Hosted securely via IIS. Delivered enterprise-grade .NET solutions: real-time, cloud, ERP, CRM, fintech, and diagnostics systems. 🛠️ My Technical Toolbox: I specialize in C# and the .NET ecosystem, including .NET Core, .NET Framework, Web API, MVC, and WinForms. I rely on EF and LINQ for data access and schema control. My database experience covers MS SQL, PostgreSQL, MySQL, MongoDB, Redis, and Cosmos DB. I manage deployments on AWS and Azure, using Azure DevOps, Docker, and Git. For UIs, I use WPF, Blazor, Angular, and React with TypeScript. I also implement secure CI/CD, API integrations, and scalable infrastructure. Why Teams Work with Me: ✔️ I have over 15 years of professional engineering experience (more than 5 years of experience) ✔️ I possess expertise in both cloud and desktop software solutions ✔️ I have a proven ability to deliver enterprise-level applications ✔️ I possess an in-depth knowledge of DevOps and backend performance tuning ✔️ I can provide AI chatbot (AI Agents) development and workflow automation. ✔️ I have a high ownership, transparency, and quality focus ✔️ My English is fluent, and I can work both with international teams and independently. I collaborate with clients who value architecture, efficiency, and clean code. Whether your project is just starting or mid-scale, I bring clarity, experience, and technical strength to push it forward. Let’s connect and bring your vision to life with robust .NET development.

Are you tired of .NET developers who write code but can't own results? I'm a Full-Stack .NET Developer with 7+ years of experience building scalable, high-performance web applications - from SaaS MVPs shipped on schedule to enterprise systems serving thousands of users daily. Here's what that looks like in practice: → Improved legacy application performance by up to 80% through SQL tuning, caching strategies, and architecture refactoring → Delivered SaaS products from zero to production — on time, every time → Built and integrated 20+ REST APIs using ASP.NET Core, EF Core, and clean architecture patterns 🔧 WHAT I BUILD Backend & APIs ✅ ASP.NET Core, .NET 6/7/8/9, C#, Web API ✅ Microservices, Clean Architecture, Domain-Driven Design ✅ RESTful APIs, JWT, OAuth 2.0, Identity Server ✅ Entity Framework Core, Dapper, stored procedures Frontend ✅ Blazor (Server & WebAssembly), Razor Pages ✅ Angular, React - modern, responsive interfaces ✅ TypeScript, JavaScript, HTML5/CSS3 Database & Performance ✅ SQL Server, PostgreSQL, MySQL, MongoDB ✅ Query optimization, index tuning, schema design ✅ Azure SQL, Redis caching Cloud & DevOps ✅ Microsoft Azure (App Services, Functions, Blob, SQL) ✅ Docker, CI/CD pipelines, Azure DevOps ✅ AWS, deployment automation 🎯 WHO I WORK WITH → Startups building their first SaaS product and need a reliable technical partner, not just a coder. → Businesses with legacy .NET systems (Web Forms, old MVC) that need modernization. → Teams that need a full-stack developer who can work independently without hand-holding. 📦 WHAT YOU CAN EXPECT ✔ Clean, maintainable, documented code, not spaghetti ✔ Real communication: daily updates, clear timelines, no surprises ✔ On-time delivery with quality built in, not bolted on ✔ Long-term ownership, I treat your product like my own If you want a developer who ships results, not just code. Let's talk. 📩 Message me with a brief description of your project and I'll respond within a few hours with a clear plan. Technologies & Services Backend: ASP.NET Core · C# · .NET 6/7/8 · Web API · Entity Framework Core · Dapper · SignalR · Microservices · Clean Architecture · DDD · CQRS Frontend: Blazor Server · Blazor WebAssembly · Razor Pages · Angular · React · TypeScript · JavaScript · HTML5 · CSS3 Database: SQL Server · PostgreSQL · MySQL · MongoDB · Azure SQL · Redis · Query Optimization · Stored Procedures Cloud & DevOps: Microsoft Azure · AWS · Docker · CI/CD · Azure DevOps · GitHub Actions · IIS Domains: SaaS Development · Healthcare · E-Commerce · Fintech · Enterprise ERP · EdTech Services: REST API Development · Legacy .NET Migration · Performance Optimization · SaaS MVP Development · Third-Party Integrations · Long-Term Maintenance

✔︎ TOP RATED PLUS | 100% Client Satisfaction | 9+ Years Enterprise Delivery ✔︎ Full Stack Expert: .NET Core | C# | Python | React | Node.js | AI Integration ✔︎ Specialized in SaaS, FinTech, HealthTech, ERP, CRM, Marketplaces, and Cloud Platforms ✔︎ AI-Powered Apps | Scalable SaaS Architecture | Production-Ready Full Stack Systems Are you building a SaaS product, an AI-powered web application, an ERP system, or an enterprise platform that needs to scale fast, perform under pressure, and ship on time? I design and deliver full-stack systems using .NET Core, C#, Python, React, and Node.js, handling everything from database architecture to cloud deployment, with clean code, full ownership, and zero shortcuts from day one. 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 𖧹 .NET and C# Development: ASP.NET Core, .NET 6/7/8, MVC, Web API, Entity Framework, LINQ, Blazor 𖧹 AI and Automation: OpenAI API, LangChain, AI Agents, Chatbot Development, Prompt Engineering, AI-Powered SaaS Products 𖧹 Python Development: FastAPI, Django, REST APIs, Automation Scripts, Data Processing, AI and ML Pipeline Integration 𖧹 React and Node.js: ReactJS, NextJS (SSR/SSG), NodeJS, NestJS, ExpressJS, Angular, REST APIs, GraphQL APIs 𖧹 Frontend Engineering: TypeScript, Tailwind CSS, Material UI, Ant Design, Bootstrap, Framer Motion, Redux Toolkit, React Query 𖧹 Backend Systems: Microservices Architecture, gRPC, WebSockets, SignalR, Kafka, RabbitMQ, Event-Driven Design 𖧹 Databases and Caching: PostgreSQL, SQL Server, MySQL, MongoDB, Redis, Firebase, DynamoDB, Firestore, Schema Optimization, Indexing 𖧹 Architecture and Security: Multi-Tenant SaaS, RBAC, OAuth2, JWT, Secure Auth, Stripe API, Monolith to Microservices Migration 𖧹 Cloud and DevOps: AWS (EC2, Lambda, ECS, S3), Azure App Services, Azure Functions, Docker, Kubernetes, Terraform, CI/CD, GitHub Actions, GitLab, Vercel, DigitalOcean, Heroku 𖧹 Performance and Testing: Core Web Vitals, API Latency Optimization, Unit Testing, Jest, Cypress, Playwright, Mocha, PWA, SEO Optimization, Production Hardening 𝗥𝗲𝗰𝗲𝗻𝘁 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗧𝗵𝗮𝘁 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 ➜ BookedSolid | AI Appointment Automation SaaS Tech: OpenAI, Twilio, Node.js, React, MongoDB 𖧹 Built an AI-powered booking engine with natural language scheduling via SMS and voice 𖧹 Automated end-to-end appointment workflows, cutting manual handling by 80% ➜ Renters / GetRenters | FinTech SaaS Platform Tech: Next.js, Tailwind CSS, Node.js, AWS Lambda, MongoDB 𖧹 Architected lease management dashboards, workflows, and Stripe Connect payment integration 𖧹 Optimized all APIs for 40% faster load times, now actively serving 10,000+ users ➜ Ucardia | HealthTech and Wellness Platform Tech: ReactJS, NestJS, Python, PostgreSQL, Redis 𖧹 Built a HIPAA-compliant clinician portal with real-time patient data streams 𖧹 Integrated wearable devices, automated health notifications, and a fully secure API layer ➜ DigitalSchools | EdTech ERP System Tech: .NET Core, React.js, Azure 𖧹 Delivered a complete school management platform covering Admissions, Fees, Attendance and Multi-Tenant architecture 𖧹 Implemented enterprise-grade RBAC access control across all user roles and modules ➜ High-Traffic E-Commerce and Marketplace Platform Tech: MERN Stack, Node.js, PostgreSQL 𖧹 Engineered a custom cart, payment gateway integration, and dynamic inventory management system 𖧹 Optimized fully for mobile, desktop, and high-concurrency production traffic 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 𝗔𝗴𝗮𝗶𝗻 𝗮𝗻𝗱 𝗔𝗴𝗮𝗶𝗻 ✔︎ End-to-End Ownership: I handle Architecture, Database, Backend, Frontend, Cloud, and Deployment myself ✔︎ AI-Ready Development: Every system I build is structured to integrate AI features today or in the future ✔︎ Clean and Strictly Typed Code: TypeScript, C#, Python, and Node.js, always maintainable and fully documented ✔︎ Scalable by Design: Multi-tenant SaaS, microservices, and cloud-native architecture from the ground up ✔︎ Transparent and Reliable: Daily progress updates, structured Agile workflow, no surprises, and no ghosting ever Whether you are building a SaaS product, an AI-powered platform, an ERP or CRM system, a FinTech application, a HealthTech dashboard, or a high-traffic marketplace, I deliver production-tested, enterprise-grade solutions built for real-world scale and long-term growth. Send me a message so we can discuss. Full Stack, MERN Stack, MEAN Stack, .NET, ASP.NET Core, C#, Blazor, MVC, Web API, Python, FastAPI, Django, Node.js, NestJS, ExpressJS, ReactJS, Next.js, Angular, Vue.js, TypeScript, Tailwind CSS, Material UI, Ant Design, Framer Motion, Redux Toolkit, React Query, Context API, REST API, GraphQL, gRPC, WebSockets, SignalR, MongoDB, PostgreSQL, MySQL, SQL Server, Redis, DynamoDB, Firestore, Kafka, RabbitMQ, Microservices, Multi-Tenant SaaS, OAuth2, JWT, RBAC, Stripe API, OpenAI API, LangChain, AI Agents, AWS, Lambda, EC2, S3, ECS, Azure Functions, Azure App Services, Docker

I’m Blake, a dedicated C# .NET developer with a strong focus on building scalable, high-performance applications. With over a decade of experience, I specialize in ASP.NET/Core backend development, complemented by Angular and React front-end solutions. My background also includes SQL databases such as MSSQL, MySQL, and PostgreSQL, along with DevOps practices across Azure and AWS. I also help businesses leverage modern AI tools and APIs to move faster and operate smarter. This includes integrating GPT, Claude, and other AI models into real-world workflows for automation, document parsing, data extraction, web automation, internal tools, and customer-facing features. Whether the goal is reducing manual work, improving operational efficiency, or accelerating development delivery, I focus on practical AI solutions that create measurable business value. Throughout my career, I’ve worked with clients ranging from startups to Fortune 500 companies, helping them achieve their goals through reliable, well-built technology solutions. I led a software development agency for five years, managed a team of 20 developers, and delivered over 50 successful projects. I now work independently as an individual contributor. I’m passionate about creating robust, production-ready applications and using the right tools, including AI, to help clients build faster and smarter. Let’s work together to turn your vision into reality.

.NET Architect | Microsoft Certified Azure Solutions Architect Expert | 15+ Years | Top Rated | 100% Job Success I help startups, growing businesses, and enterprise teams build scalable, production-ready .NET and Azure platforms - microservices, SaaS dashboards, enterprise APIs, CI/CD pipelines, and React/Angular frontends - delivered on time and built to last. As a .NET Architect and Full Stack Developer, I have led end-to-end architecture and delivery for clients across healthcare, finance, logistics, and e-commerce. My work as a .NET Architect combines deep ASP.NET Core backend expertise with Azure cloud-native deployment and modern React/Angular frontends - so you get one engineer who owns the complete system. As a .NET Architect, I ask the right questions before writing the first line of code, flag problems early, and deliver .NET applications that work in production - not just in development. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 💻 WEB APPLICATION & API DEVELOPMENT ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ As a .NET Architect and ASP.NET Core developer, I build: ✔ ASP.NET Core Web Applications ✔ ASP.NET MVC Applications ✔ ASP.NET Web API & REST API Development ✔ Full Stack .NET Core + React Applications ✔ Full Stack .NET Core + Angular Applications ✔ SaaS Platform Development (Multi-Tenant) ✔ Admin Portals, Dashboards & Internal Business Tools ✔ Enterprise Web Applications & CRM Systems ✔ Application Modernization & Legacy .NET Migration to Azure ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ☁️ AZURE CLOUD & MICROSERVICES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ As a Microsoft Certified Azure Solutions Architect Expert and .NET Architect, I deliver: ✔ Azure Microservices Architecture (.NET 8 & .NET 10) ✔ Clean Architecture, CQRS & Event-Driven Design ✔ Azure App Service, AKS, Service Bus & Azure SQL ✔ Azure DevOps CI/CD Pipelines - Zero-Downtime Releases ✔ Docker & Kubernetes (AKS) Deployments ✔ GitHub Actions & Jenkins Pipeline Setup ✔ Azure AD & Single Sign-On (SSO / ADFS) Integration ✔ AWS Cloud Architecture & Deployment ✔ Legacy .NET Migration to Azure - Zero Downtime ✔ Azure Cost Optimization & Infrastructure Review ✔ NopCommerce & Shopify E-Commerce Platform Development ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🗄️ DATABASE & SQL SERVER ARCHITECTURE ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ As a .NET Architect and SQL Server database specialist, I specialize in: ✔ Microsoft SQL Server Architecture & Optimization ✔ PostgreSQL, MySQL & MongoDB ✔ Entity Framework Core & LINQ ✔ Database Design & Schema Architecture ✔ SQL Server Query Optimization & Deadlock Resolution ✔ Index Tuning, Views & Stored Procedure Development ✔ SSRS Reports & Power BI Dashboards ✔ Database Migration for 1M+ Record Systems ✔ Real-Time Data Pipelines & Analytics ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔗 API INTEGRATION & THIRD-PARTY SERVICES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ As a Full Stack Developer and .NET Architect, I integrate: ✔ REST API Development & Third-Party API Integration ✔ OpenAI & ChatGPT API Integration ✔ AI Integration & Automation Workflows (n8n) ✔ Payment Gateway Integration (Stripe, PayPal) ✔ Google Maps API Integration ✔ Power BI & Reporting API Integration ✔ HubSpot & CRM API Integration ✔ ERP System Integration ✔ Business Process Automation ✔ System-to-System Integration & Data Migration ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔧 COMPLETE TECHNICAL STACK ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Backend & .NET ASP.NET Core | ASP.NET MVC | ASP.NET Web API .NET Framework | .NET Core | .NET 6 | .NET 8 | .NET 10 C# | Entity Framework | LINQ | CQRS | Clean Architecture | Microservices SignalR | WebSockets | TypeScript Frontend React | Angular | AngularJS | TypeScript | JavaScript HTML5 | CSS3 | Bootstrap | Tailwind CSS Cloud & DevOps Microsoft Azure | AWS | Azure DevOps | GitHub Actions | Jenkins Docker | Kubernetes (AKS) | CI/CD Pipelines Azure App Service | Azure Service Bus | Azure SQL | Azure AD | SSO | ADFS Database Microsoft SQL Server | PostgreSQL | MySQL | MongoDB | Firebase Query Optimization | Index Tuning | Deadlock Resolution Database Architecture | Stored Procedures | SSRS | Power BI Integrations & Platforms REST API | API Integration | OpenAI | ChatGPT | n8n | Stripe Payment Gateways | Google Maps API | HubSpot | ERP Systems NopCommerce | Shopify | WordPress | Elasticsearch Mobile & Desktop .NET MAUI | WPF | React Native | Firebase Push Notifications ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 📩 LET'S WORK TOGETHER ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Send me a message describing your project. I respond within a few hours and can share a relevant architecture approach on the first call. ✅ .NET Architect Upwork | ASP.NET Core Developer Upwork | ASP.NET MVC Developer Upwork | C# Developer Upwork | .NET Core Developer Upwork | Full Stack .NET Developer Upwork | Full Stack Developer Upwork | Azure Architect Upwork | Azure Developer Upwork | Microservices

I am a Full Stack Developer with 6+ years of experience building scalable, secure web applications using .NET and cloud technologies. I specialize in architecting solutions that align with business goals, ensuring high performance and maintainability. Core Expertise Backend: ASP.NET Core, C#, Microservices, CQRS, Web API, SignalR. Frontend: Blazor, React.js, TypeScript, JavaScript (ES6+). Cloud & DevOps: Azure App Services, AWS, CI/CD Pipelines, Docker. Database: SQL Server, MySQL, Entity Framework Core. What I Deliver End-to-end development from concept to deployment. Performance optimization and legacy code refactoring. Secure authentication (JWT, OAuth, Identity). Clean, documented code with a focus on long-term reliability. I hold a 5.0 rating and prioritize clear communication throughout the project lifecycle. Let’s discuss how I can help bring your technical vision to life.

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 * 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.

I can start today❗️ I build enterprise full stack, .NET, MERN systems, Azure cloud architectures, and Microsoft SharePoint + Power Platform solutions that eliminate manual work - full stack developer and software engineer with 12+ years of experience, 7,000+ hours on Upwork, 60+ completed contracts, and a 100% Job Success Score. If your team runs on Excel and manual approvals, I help you automate it properly with AI-powered tools and scalable web platform architecture, as a full stack developer, web developer, and React developer, I cover the entire stack. Microsoft Power Platform (workflow automation) I help teams modernize operations with Microsoft Power Platform without turning it into an unmaintainable patchwork. Power Apps + Power Automate + Microsoft SharePoint + Dynamics 365: apps, workflows, and integrations that eliminate manual work. Whether you need a full app development cycle or Automation for Microsoft 365, I deliver connected solutions built by a full stack developer who gets both backend logic and business process. Back-End Engineering ( .NET developer ) My deep expertise lies in the .NET Core ecosystem and Node.js, where I've worked with .NET Framework, ASP.NET Core, C#, Entity Framework, and Microsoft SQL Server as a full stack developer. Key achievements: ▪️Delivered 50+ enterprise-level full-stack applications, improving business process by 35–70% through automation, optimized logic, and scalable architectures. ▪️Built 80+ RESTful and SOAP-based APIs powering real-time integrations with CRMs, ERPs, payment gateways, IoT devices, and mobile apps. ▪️Optimized 250+ SQL databases, including data warehouse architectures, increasing query performance by up to 10× and ensuring 99.9% uptime in production. ▪️Designed secure, cloud-native systems using Azure App Services, Azure Functions, Azure Event Hub, Azure Service Bus, Azure SQL, and Azure Application Insights across 15+ production environments. Front-End & Full Stack Web Application Development On the front end, I design and build responsive web application interfaces using HTML5, CSS3, JavaScript, TypeScript, Bootstrap, React, Next.js, and Angular (modern MERN stack). As a React developer, web developer, and full stack developer, I focus on performance. I also work as a WordPress developer and as a mobile app developer building fast sites and cross-platform apps with React Native. Key achievements: ▪️Delivered 40+ full-stack and responsive web platform applications using Angular, Next.js, and React, integrated with ASP.NET Core back ends. ▪️Built 30+ MERN stack (React, Next.js) solutions, improving user engagement and retention by up to 60%. ▪️Shipped 8+ cross-platform mobile apps (iOS/Android) using React Native as a mobile app developer. ▪️Delivered full stack developer-level hybrid solutions: React, Next, or Angular front ends powered by C# / ASP.NET / MongoDB services, reducing costs and improving time-to-market for SaaS platform and web application projects. Azure Cloud, Power BI & Data Analytics I design complete Azure cloud environments and end-to-end data analyst-grade analytics systems: Azure infrastructure: ▪️Azure App Services, Azure SQL, Azure Cosmos DB (with MongoDB API compatibility) ▪️Azure Storage, Azure Active Directory, Key Vault ▪️CI/CD pipelines with Azure DevOps and GitHub Actions ▪️AWS migrations and hybrid cloud architectures ▪️Azure Data Factory pipelines for ETL and data warehouse integration Power BI / Looker Studio & dashboard analytics: ▪️30+ automated dashboard solutions with KPI Dashboards for operations, finance, and logistics ▪️Data analyst-ready models integrating Azure SQL, Azure Data Factory, and Azure Data Lake ▪️Report automation replacing manual Excel and Tableau-style workflows with live Power BI dashboards ▪️Looker Studio integration for clients on Google ecosystem ▪️Data visualization layers connecting data warehouse, Azure SQL, MongoDB, and operational databases into unified KPI Dashboards, cutting reporting turnaround by up to 3 days per cycle AI-Powered Solutions & Modern App Development As a full stack developer, I integrate AI-powered into enterprise workflows: ▪️Chatbot development using OpenAI API, and custom NLP pipelines for customer support and ERP assistants ▪️AI-powered document processing and classification integrated with Microsoft SharePoint, Power Automate, and MERN stack ( React, Next.js, MongoDB, Node.js ) ▪️Tool development for automation and reporting, replacing manual work ▪️As a mobile app developer, I extend automation and AI layers into mobile apps on iOS and Android 💡Business Impact ▪️+40% e-commerce sales through optimization and React / Next.js checkout redesign ▪️25% lower infrastructure costs for a SaaS full-stack platform after migrating to microservices using .NET Core + Azure ▪️Reduced manual reporting time by 80% via automated Power BI, Looker Studio + Azure Data Factory pipelines ▪️Delivered automation system solutions cutting manual data entry by 60%.