I'm a Solution Architect and Full Stack Developer with more than 12 years of experience in software development and design.
I have intensive experience in developing enterprise and distributed applications using Microsoft .NET for different verticals. The applications I have developed include CRM software, E-commerce stores and websites, SaaS applications, distributed cloud applications, microservices and custom solutions.
I'm an effective team leader, organizer and developer. If you expect your project to evolve and grow over time, I can set up an optimal workflow process from documentation and source control to continuous integration, continuous delivery, automated deployment, release management and support.
MY SKILLS AND EXPERTISE
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Programming Languages - C#, JavaScript
Technologies - ASP.NET WebForms, ASP.NET MVC, .NET, .NET Core, Web API, Web Services
Database - Microsoft SQL server, MySQL, MongoDB, RavenDB, Redis
ORM - Entity framework, LINQ to SQL, Nhibernate, Dapper
Cloud - Microsoft Azure, Amazon Web Services (AWS), Docker
Version control system - SVN, Git, Mercurial, Team Foundation Server (TFS)
Frameworks & CMS - DotNetNuke, Umbraco, Orchard, N2Cms, Mojoportal, nopCommerce
JavaScript frameworks - JQuery, AngularJS, ReactJS, NodeJS, KnockoutJS, Typescript
Methodologies and practices - Agile, Scrum, DevOps, SOA, SOLID Principles, Microservices
VERTICALS I HAVE WORKED FOR
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- Travel and Tourism
- Finance
- E-commerce
- Health Care
- Insurance
WHY YOU SHOULD HIRE ME?
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- Experience working at all the stages of software development life cycle
- Team player
- Proactive
- Excellent communication skills
- Proven track record and TOP RATED on upwork
- Never compromise on quality
.NET Framework
JavaScript
React
Amazon Web Services
ASP.NET
AngularJS
ASP.NET MVC
C#
ASP.NET Core
Microsoft Azure
Raj Kiran S.
New Delhi, India
$20/hr
4.2
31 jobs
I help healthcare, e-commerce, and SaaS companies modernize legacy .NET systems into fast, scalable, cloud-native applications — and build new ones right the first time. Over 20 years, I've delivered production systems used by real businesses, not just prototypes.
Core Expertise
Backend & Web: ASP.NET MVC, Web API, Razor Pages, Web Forms, C#, VB.NET, Entity Framework, SQL Server
Frontend: JavaScript, jQuery, HTML5, CSS3, Bootstrap, Tailwind, Material UI
Modern Frameworks: React, .NET MAUI, Blazor
Cloud & DevOps: Azure App Services, Azure DevOps, Blob Storage, Key Vault, CI/CD pipelines
AI & Automation: Azure Cognitive Services for predictive analytics, intelligent automation, voice/NLP features, and data-driven solutions
How I Work
I write clean, modular code built for maintainability — not quick fixes that create technical debt later. I specialize in legacy modernization (upgrading aging systems to modern stacks) and building cross-platform apps that work seamlessly across web, desktop, and mobile. I communicate clearly, give regular progress updates, and prioritize long-term stability over short-term shortcuts.
Whether you need a new application built from scratch or an existing one rescued and modernized, I bring the judgment that comes from two decades of solving real business problems — not just writing code.
ASP.NET Core
C#
Entity Framework
Azure DevOps
ASP.NET MVC
Visual Basic
Data Scraping
JavaScript
Azure App Service
SignalR
React
Blazor
ASP.NET Web API
Sandeep R.
New Delhi, India
$15/hr
5.0
30 jobs
I'm a Senior developer with 15+ year experience in website and software product development and migrating applications to the cloud and mobile compatible application.
My core competency lies in complete project management starting from analysis to deployment of web based application to build secure websites from scratch for your business.
• Software Development as a independent contractor or work in remote team
• Communication with offshore clients to understand requirements and deliverable.
• Upgrade/Modify architectural changes and able to assist in framing development policies and development procedures
Expertise in following technologies:
- Asp.Net Core, Asp.Net MVC, C#, Xamarin
- React JS, Vue.js, Angular 10+
- WEB API, WCF, Windows Service
- MS SQL Server, Azure Cosmos DB, SqLite
- Microsoft Azure, AWS
- Responsive Themes (HTML5, CSS, Bootstrap, Material)
- WinForms, XML, MSMQ, SignalR, Multitier, Multithreading, Client/Server, MFC, Win32
- TFS, Git Extensions, Bamboo, JIRA , Bit Bucket
I am available to chat by IM, email and would be happy to set up a convenient time to discuss the application.
Node.js
Microsoft SQL Server
JavaScript
C#
Azure DevOps
ASP.NET Core
HTML5
Database Design
ASP.NET MVC
Angular 6
.NET Core
Web Development
.NET Framework
Manoj K.
New Delhi, India
$15/hr
5.0
13 jobs
🏆 12+ Years of Experience | Senior Full-Stack .NET Developer | SaaS & Enterprise Software Architect | Senior .NET Developer | C# | .NET Core | .NET 6/7/8 | MAUI | WPF | Delphi | Full Stack Web & Desktop Application Expert 🏆
🚀 Are you looking for a seasoned Full Stack .NET Developer | .NET MAUI & Delphi Expert to build, maintain, or modernize your existing systems into secure, scalable desktop, web, or cross-platform mobile applications? You're in the right place.
📩 Send me an invite or message today—I’m fully open to a test task or interview!
🎯 With over 12+ years of professional experience, I specialize in designing and building high-performance enterprise solutions using the .NET ecosystem, Delphi, and modern cloud technologies. I work with ASP.NET Core, C#, .NET MAUI, and legacy systems to deliver robust, scalable, and production-ready applications. My focus is transforming complex business requirements into clean, efficient, and future-proof software solutions.
💼 My Core Development Services:
➤ Custom SaaS Application Development (MVP to Enterprise Scale)
➤ Legacy System Modernization (Delphi, .NET Framework → Modern .NET)
➤ Desktop Applications using WinForms, WPF, and Delphi
➤ Cross-Platform Mobile Apps using .NET MAUI
➤ Web Applications using ASP.NET Core, MVC, and Blazor
➤ RESTful API Development & Third-Party Integrations
➤ Cloud Solutions, DevOps & Ongoing Maintenance
🔧 Tech Stack & Tools:
✅ .NET, .NET Core, ASP.NET Core, C#
✅ Delphi (Legacy + Modern Maintenance & Migration)
✅ .NET MAUI, Blazor, MVC, Web API
✅ SQL Server, MySQL, PostgreSQL, Entity Framework
✅ React, Angular, JavaScript, HTML5, CSS3
✅ Azure, AWS, Docker, CI/CD Pipelines
✅ GitHub, Jira, Trello, Agile Development
🎯 Why Work With Me:
✔️ Strong expertise in both modern and legacy systems (Delphi + .NET)
✔️ Proven experience in building scalable SaaS & enterprise applications
✔️ Clean, maintainable, and performance-optimized code
✔️ Strong communication and fast response time
✔️ Reliable long-term technical partner focused on business success
🤝 Let’s Build Your Next Software Success Story
If you're planning a new project or need help upgrading an existing system, I’m the developer who delivers scalable, secure, and high-quality solutions on time and with precision.
📩 Send me an invite or message today—I’m always open to new opportunities and collaborations!
I’m fully open to a test task!
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🔑 Keywords / Skills
.Net Developer, .Net Expert, Senior .Net Developer, .Net Full Stack Developer, .Net Fullstack Expert, Expert .Net Developer, .Net Core Developer, .Net Core Expert, Expert .Net Core Developer, C# .Net Expert, C# Developer, C# Expert, .Net Software Engineer, .Net Architect, Senior .Net Engineer, Enterprise .Net Developer, SaaS .Net Developer, Backend .Net Developer, .Net API Developer, REST API Developer, Web API Developer, ASP.NET Developer, ASP.NET Expert, ASP.NET Core Developer, ASP.NET Core Expert, Expert ASP.NET Core Developer, ASP.NET MVC Developer, ASP.NET MVC Expert, ASP.NET Web Developer, Expert ASP.NET Web Developer, C# ASP.NET Developer, .NET Framework Developer, .NET Modernization Expert, Legacy .NET Migration Specialist, Delphi Developer, Delphi Expert, Delphi Legacy System Developer, .NET MAUI Developer, MAUI App Developer, Cross Platform App Developer, Mobile App Developer .NET MAUI, Blazor Developer, Blazor WebAssembly Developer, Razor Pages Developer, WinForms Developer, Windows Forms Developer, WPF Developer, Desktop Application Developer, Windows Desktop App Developer, Web Application Developer, Full Stack Web Developer, SQL Server Developer, Database Developer, Database Architect, Entity Framework Expert, LINQ Expert, MySQL Developer, PostgreSQL Developer, Azure SQL Developer, MongoDB Developer, Azure Developer, AWS Developer, Cloud Developer, Cloud Architect, DevOps Engineer, CI/CD Pipelines, Docker Developer, Microservices Developer, Distributed Systems Developer, Authentication Expert, JWT OAuth Expert, Identity Server Developer, Scalable Architecture Expert, Performance Optimization Expert, Software Maintenance & Support, Enterprise Software Development, SaaS Application Development, Third Party API Integration, Payment Gateway Integration, React Developer, Angular Developer, JavaScript Developer, TypeScript Developer, HTML5 CSS3 Developer, Frontend Developer, Backend Developer, Full Stack Engineer
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