.NET Framework / .NET Core
C#, ASP.NET, and 20 years of hands-on backend engineering.
9by9 Info Solutions LLP delivers senior-grade .NET development, Azure cloud architecture, and legacy modernization—from ASP.NET WebForms to .NET 9.
Practical architecture, dependable delivery, and long-term maintainability for enterprise systems.
Nine core technology pillars supporting robust software development and predictable project outcomes.
C#, ASP.NET, and 20 years of hands-on backend engineering.
Enterprise web application architecture built for scale and maintainability.
App Service, Key Vault, Azure B2C, Storage, and Media Services.
Schema design, stored procedures, triggers, and performance tuning.
Flexible and high-performance data-layer architecture.
Modern API integration bridges for service-oriented systems.
Full-stack ownership from frontend experience to backend delivery.
Office 365, SharePoint, and embedded enterprise analytics.
WebForms and VB.NET modernization to .NET 8/9.
Two decades across the full evolution of the Microsoft stack—production experience, not theory.
.NET Framework, ASP.NET, MVC, Web API, WCF, C#, ADO.NET, Entity Framework, and Dapper.
Azure App Service, Storage, Active Directory, Key Vault, B2C, and Media Services.
SQL Server, T-SQL, stored procedures, functions, triggers, views, and transaction design.
Angular, AngularJS, TypeScript, Bootstrap, jQuery, JavaScript, HTML5, and CSS3.
Office 365 login, calendars, SharePoint lists, and document libraries.
Power BI REST APIs for embedded dashboards, reports, and tiles.
From ASP.NET 1.1 to enterprise cloud architecture—built alongside the .NET platform itself.
Backend architecture and development for international business applications.
Enterprise products, cloud publishing platforms, ERP systems, and crew management software.
SMS marketing platforms and real estate search engines using ASP.NET and SQL Server.
Database design, stored procedures, and ASP.NET 1.1 applications.
Enterprise systems delivered across automotive, maritime, real estate, and digital media.
Live vehicle tracking, navigation, and ride statistics for connected two-wheeler owners.
Cloud-based publishing platform with dashboards, message boards, and classified displays.
Meeting and seminar room booking integrated with Office 365 calendars and Azure B2C.
Recruitment, evaluation, and onboarding platform for seafarers.
Supply chain, sales force management, and financial accounting automation.
Campaign management platform for business mobile advertising and SMS marketing.
Every engagement starts by understanding the problem and defining the right structure to solve it.
Bug resolution, performance tuning, code audits, or architecture reviews.
End-to-end development of new applications or modernization of legacy systems.
Long-term collaboration as a technical partner within your team.
9by9 brings together two decades of hands-on .NET engineering—from ASP.NET WebForms and early VB-era applications to .NET 8/9 and Azure-native architectures.
Our work spans embedded technical leadership and specialist engagements focused on modernizing systems others could not touch.
Whether it is a focused project or a long-term collaboration, let’s discuss the right structure.
📧 info@9by9infosolutions.com
📱 +91 9198828882
📍 Lucknow, Uttar Pradesh, India