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I’m a Senior .NET Developer combined with a Business Analyst mindset, with 10+ years of experience delivering and rescuing business-critical systems. I don’t just develop features — I analyze business workflows, fix system bottlenecks, and deliver scalable solutions that actually improve operations. In addition, I bring strong UI/UX implementation skills, allowing me to turn designs into pixel-perfect, production-ready interfaces — ensuring both performance and user experience. 🏆 Top Rated Freelancer 🏆 100% Job Success Score 💰 $10,000+ Earned 🚀 What I Specialize In 🔹 ERP / CRM / Business Systems Development Design and build systems for Sales, HRM, Warehouse, Manufacturing, Fleet Management Translate business requirements into scalable technical solutions 🔹 Legacy System Modernization (.NET) Upgrade old systems (.NET MVC, WebForms) → .NET Core / Blazor Refactor messy codebases into maintainable architectures Improve system performance, stability, and scalability 🔹 System Performance Optimization Fix slow systems (database queries, API latency, UI rendering) Optimize SQL, backend logic, and frontend performance 🔹 Pixel-Perfect UI Development (Figma / Adobe → Code) Convert Figma / Adobe XD / Photoshop designs into responsive HTML/CSS Ensure pixel-perfect accuracy across devices and browsers Implement UI using Blazor, DevExpress, Telerik 🔹 Business Analysis + Technical Execution Analyze workflows and suggest better system design Reduce operational inefficiencies through smart automation 💡 Why Clients Hire Me I think like a business owner, not just a developer I can quickly understand complex legacy systems and take ownership I proactively identify risks, bottlenecks, and better approaches I communicate clearly and provide regular progress updates 🧠 Tech Stack Backend: C#, .NET Core, ASP.NET MVC, Web API, Entity Framework Frontend: Blazor, HTML, CSS, JavaScript, Bootstrap, jQuery UI Frameworks: DevExpress, Telerik (Kendo UI), Syncfusion Database & Data: SQL Server, PL/SQL, OLAP, MDX Other: Python, ETL, Power BI, Excel, .NET MAUI 🎯 Productized Services (Fixed Scope – High Value) 💼 ERP / CRM System Audit – from $200 - Review architecture, database, and workflows - Identify bottlenecks & risks - Provide actionable improvement plan ⚡ Fix Slow .NET System – from $300 - Analyze performance issues (SQL / API / UI) - Optimize response time and system stability - Deliver measurable improvements 🔧 Legacy System Upgrade (.NET MVC → .NET Core / Blazor) - Codebase assessment - Migration strategy - Step-by-step modernization plan 📊 Database & Query Optimization – from $150 - Analyze slow queries - Optimize indexes and execution plans - Improve overall system performance 📌 Best Fit Clients - Companies running old .NET systems with performance issues - Businesses needing ERP / HRM systems built or improved - Founders who want a developer that understands business, not just code 💬 Let’s Work Together If your system is slow, hard to maintain, or no longer fits your business — I can help you analyze, fix, and upgrade it efficiently.

I am an experienced Full-Stack Software Developer & Solution Architect with strong analytical and problem-solving skills, delivering scalable, secure, and high-performance applications across Web, Desktop, Mobile, Cloud, Blockchain, and AI-powered systems. I specialize in building real-time, data-intensive, and enterprise-grade solutions that solve complex business challenges. ✅ Core Technical Expertise ______________________________________________________________________ ⚙️ Backend / Server-Side Development C#, .NET Framework, .NET Core, ASP.NET MVC, Web API Node.js, Express.js Real-time systems using SignalR & WebSockets Microservices architecture, RESTful APIs, modular scalable systems 🗄️ Databases & Data Engineering SQL Server, MySQL, PostgreSQL MongoDB, NoSQL, distributed data systems Database optimization, performance tuning, stored procedures 🎨 Frontend Development JavaScript, TypeScript AngularJS, modern Angular, React (if applicable) jQuery, Bootstrap, Knockout.js HTML5, CSS3, SASS/SCSS, responsive UI, UX-focused development 📱 Mobile & Cross-Platform Development Android (Native) Xamarin, PhoneGap/Ionic ElectronJS for cross-platform desktop apps 🛠 Tools, Libraries & Integrations Syncfusion, PDFSharp, AngleSharp, HTML Agility Pack Payment gateways, 3rd-party integrations, automation tools Reporting, dashboards, multi-tenant systems ☁️ Cloud & DevOps (If you want, I can expand this section) Azure, AWS basics CI/CD pipelines (GitHub Actions, Bitbucket Pipelines, Azure DevOps) Docker, containerized deployments 🧠 AI, Automation & Blockchain AI/ML integrations, automation scripts, data processing pipelines Bot development, chatbots, workflow automation Ethereum blockchain development Smart contract development (Solidity, Truffle, Web3) 🔄 Project Management & Development Methodologies Agile, Scrum, Kanban TDD (Test-Driven Development), Clean Code, SOLID Principles Git, GitHub, GitLab, Bitbucket, SVN JIRA, Azure DevOps, Trello, Freedcamp, MS Team Foundation I follow a structured Software Development Life Cycle (SDLC) to ensure quality, reliability, and maintainability at every stage—from requirements and architecture to development, testing, deployment, and long-term support. 🌟 Why Clients Enjoy Working With Me ______________________________________________________________ Strong logical, analytical, and architectural thinking Transparent communication and proactive collaboration Flexible with budgets and project scopes Committed to meeting deadlines and exceeding expectations Focused on long-term client relationships and continuous improvement I’m a highly self-motivated professional who takes ownership of every project. My goal is to deliver solutions that are scalable, secure, user-friendly, and aligned with your business goals.

🌟 Senior Full-Stack Engineer & Solution Architect | .NET, React, Azure | AI-Assisted Development 💬 “Nitin is an exceptional developer with deep architectural insight—delivers efficient, scalable solutions and communicates complex ideas clearly.” — Dhwani K., BCG 👋 Hi there, thank you for checking out my profile! I’m Nitin, a Senior Full-Stack Engineer (11+ years) helping businesses modernize legacy systems, ship modern React frontends, and build secure .NET + Azure backends—always with a strong architectural foundation and future-ready design. I’ve delivered projects for Microsoft, BCG, Harman, Nagarro, Digital Juice, BusyBoxx, Lutron, McCarthy & Vaughn, and MROCorp across industries including healthcare, airlines, lighting/IoT, construction, and e-commerce. ✨ My differentiator: I combine proven engineering practices with AI-assisted development (Copilot, ChatGPT, Cursor) to accelerate productivity, improve documentation, and deliver enterprise-ready solutions faster. ✅ What I Do (Full-Stack End-to-End) ⚛️ Frontend Engineering → Responsive UIs with React, TypeScript, MUI5, Tailwind, TanStack (Query, Table, Virtual), and advanced charting. Migrated old ASP.NET/Angular apps to React/Angular latest with better performance and usability. 🖥️ Backend & APIs → Robust .NET 6/8 Web APIs, EF Core, Dapper, SQL Server—modular, secure, and scalable. Skilled with microservices and modular monolith architectures. 🗄️ Database & Search → Expertise in SQL Server, MongoDB, Elasticsearch, Redis for high-performance queries and intelligent search features. ☁️ Cloud & DevOps → Deployments on Azure App Services, AKS with Pods, IIS, Docker, CI/CD pipelines. Focused on secure, observable, and highly available systems. 🔐 Identity & Security → Migrated legacy ASP.NET/custom auth to OpenID Connect / OAuth 2.0 / JWT with ASP.NET Identity. Implemented RBAC and SSO-ready solutions. ⚡ AI-Driven Productivity → Leveraging Copilot, ChatGPT, Cursor AI to accelerate development, streamline testing/documentation, and deliver enterprise-ready solutions faster. 🚀 Recent Highlights 🏗️ McCarthy Vaughn Constructions → Delivered Safety Audit & Leadership Engagement modules with React + .NET 8 + SQL Server. Migrated from ASP.NET WebForms to modern stacks, deployed on Azure, and implemented reporting, user management, and authentication modernization. 💡 Lutron (Lighting & IoT) → Migrated legacy .NET Framework & Angular apps to React, Angular latest, and .NET 8 with a microservice architecture and secure token-based authentication. ✈️ Airlines (BCG) → Built shared libraries and data-heavy React UIs (ZBN, Pathfinder, Sentry) for real-time operations and disruption management. 🖊️ Microsoft (Virtuoso) → Designed a dynamic UI framework rendering configurable screens from JSON, added SQI/RAID/review workflows, and deployed to Azure cloud-native environments. 🛒 E-commerce (Digital Juice/BusyBoxx) → Delivered Elasticsearch + Redis search/admin tools, boosting content discovery and reducing infrastructure costs. 🏥 Healthcare (MROCorp, Nagarro) → Architected HIPAA-compliant APIs, audit logging, and modernization strategies for enterprise-grade healthcare applications. 🛠 Tech Stack (Keywords) Frontend: ⚛️ React, TypeScript, MUI5, Tailwind, TanStack, Charting, Angular Backend: 🖥️ .NET 6/8, .NET Framework, C#, EF Core, Dapper, Node.js/Fastify Cloud/DevOps: ☁️ Azure App Services, AKS with Pods, Service Bus, APIM, Functions, IIS, Docker, CI/CD Databases: 🗄️ SQL Server, MongoDB, Elasticsearch, Redis Architecture: 🏗️ Clean Architecture, Microservices, Modular Monolith, Caching, Telemetry, Secure Auth Domains: ✈️ Healthcare, Airlines, Construction, Lighting/IoT, E-commerce, Media 💼 Why Work With Me? ✔️ 11+ years delivering enterprise-grade solutions across industries ✔️ Proven expertise in legacy → modern migration (.NET Framework → .NET 8, Angular/ASP.NET → React/Angular latest) ✔️ Cloud-native delivery across Azure App Services, AKS, IIS, and Docker ✔️ Strong foundation in architecture, scalability, security, and compliance ✔️ Endorsed with LinkedIn recommendations highlighting technical excellence & leadership 📞 Let’s Connect If you’re looking for a full-stack partner who can modernize legacy systems, build new cloud-native applications, and deliver with AI-enhanced speed and precision, let’s talk. I’ll propose a clear, phased plan tailored to your project and business goals. Best Regards, Nitin R

With over 10 years of professional experience in full-stack development, I specialize in building scalable, high-performance web applications using Angular and .NET technologies. I focus on delivering clean architecture, seamless user experiences, and robust backend systems. Back-End Development - ASP.NET Core (6/8/10) - Web API development - ASP.NET MVC Framework - AutoMapper - Middleware - Entity Framework with MSSQL Server - RESTful API design and integration - Gutenberg - Authentication & authorization (JWT, Identity), - Authorization Filter Database Management - Microsoft SQL Server (MSSQL) - Query optimization, stored procedures, and performance tuning - CMS & Other Technologies - SSRS report Core Expertise - API (SOAP/RestFull) development C# .Net - Front-End Development - Angular 6+(SPA development, component-based architecture) - HTML5, CSS3, JavaScript, jQuery - Responsive design & cross-browser compatibility - Figma to pixel-perfect UI implementation Tools & Technologies -Version Control: Git,GitLab,GitHub SVN, TFS -Project & Issue Tracking: JIRA, HPQC, Spira -Development Tools: Visual Studio IDE,VS Code -Containerization: Docker -API:PostMan,Fidler -AI:Windsurf,Git co-pilot,curser,Claude

I'm a .NET / C# engineer with over 7+ years of experience in software development. During this time I've mostly worked as a full-stack engineer Technologies i'm experienced with: .NET / C# React ASP.NET MVC .NET Core, WinForms WebAPI HTML CSS AWS OAuth ReactJS Angular ( js, 2+) and other Javascript frameworks including Blazor and React 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 exceptionally well with businesses in need of smart and innovative web/desktop applications. Dedicated, flexible, and always up for a challenge,. I am also expert in Azure. I have also some other skills: Project management and team lead skills. Blazor and MAUI Expert Selenium expert for automation Testing. Expert in building Responsive Web UI, Twitter Bootstrap, Mobile, and Tablet Apps with EF, Jquery and Windows Azure.

Focused & result-driven Full Stack IT Software professional with nearly 17 years of experience in Design, Development, Deployment, Debugging, Testing and Troubleshooting of application in desktop , web and mobile .Net Core Skills : .Net, WPF, C#, MVVM, MAUI, Asp.Net Core, WebApi, Microservices, Azure etc AI Core Skills : Python, AI/ML, RAG Agents, LLM, Open AI, LangChain,Fast API, Vapi, n8n etc Tools : VS 2022, CoPilot, Claude Code, SQL, PostgreSql etc Excellence in gathering and understanding requirements of clients & other multiple stakeholders (at strategic and tactical levels), followed by translation into functional specifications as well as provisioning of suitable solutions Extensively worked in Agile, CI/CD, GIT, TFS etc Engaged in various phases of Product Development Life Cycle from analyzing requirements specifications, high level design, user story development, Implementation, unit testing, defect fixing, Code reviews and production support maintenance An effective Sr. Developer and leader with proven skills in development and leading teams during the project phase; holds expertise in managing & supporting the clients