Expert ASP.NET Core Development Company
High-Performance .NET Web Applications, APIs & Enterprise Systems Built by Certified .NET Experts
Expert ASP.NET Core Development Company
DotTut is a specialized ASP.NET Core development company based in India, delivering high-performance, enterprise-grade web applications and APIs to clients across India and internationally. Our .NET expertise spans everything from simple business web applications to complex, multi-tenant SaaS platforms handling millions of transactions.
Microsoft's .NET ecosystem — including ASP.NET Core, Entity Framework Core, Blazor, SignalR, and Azure — is one of the world's most powerful and reliable platforms for building enterprise software. At DotTut, .NET is our primary technology, and we have invested years in mastering every aspect of the ecosystem.
Whether you need to modernize a legacy .NET Framework application, build a new ASP.NET Core API, create a Blazor WebAssembly frontend, or migrate your system to Azure, DotTut's .NET specialists have the depth of experience to deliver it right the first time.
Our team stays current with every .NET release — from .NET 6 LTS to .NET 8 and .NET 9 — ensuring your applications benefit from the latest performance improvements, security updates, and developer productivity features.
Why Choose DotTut?
What sets us apart as your technology partner
- Primary .NET Focus: Unlike generalist shops, .NET is our core competency — we live and breathe the ecosystem.
- Performance-First Approach: ASP.NET Core is the fastest web framework in benchmarks, and we know how to maximize that performance for your application.
- Enterprise Architecture: Clean Architecture, Domain-Driven Design, CQRS, Event Sourcing — we apply proven patterns that make large systems maintainable.
- Azure Expertise: Deep experience with Azure App Service, Azure Functions, Azure SQL, Azure Service Bus, and Azure DevOps.
- Security by Design: OWASP best practices, data encryption, secure authentication (OAuth2, OpenID Connect), and regular security audits.
- Legacy Migration: We have successfully migrated many .NET Framework (4.x) applications to modern ASP.NET Core with zero data loss.
Our Services
A full spectrum of technology services to power your business
- ASP.NET Core Web Application Development: MVC, Razor Pages, and Blazor applications for enterprise business needs.
- RESTful API Development: Clean, well-documented APIs following REST and OpenAPI standards.
- gRPC & SignalR: Real-time communication and high-performance RPC services using .NET's native protocols.
- Entity Framework Core: Optimized database access layers with SQL Server, PostgreSQL, and other supported databases.
- Microservices Architecture: Decomposing monoliths into scalable .NET microservices with Docker and Kubernetes.
- .NET Migration: Upgrading .NET Framework applications to modern ASP.NET Core for better performance and support.
- Azure Cloud Development: Azure-native application development, deployment, and optimization.
- Testing & Quality: xUnit, NUnit, MSTest, integration testing, and automated quality pipelines.
How We Work
A transparent, collaborative process from first call to launch
- Technical Assessment: Evaluating your requirements, existing codebase (if applicable), and the right .NET approach.
- Architecture Design: Designing the solution architecture with your team's input — choosing patterns, packages, and infrastructure.
- TDD Development: Test-driven development ensuring code correctness from the start.
- Code Reviews: Every pull request reviewed by senior .NET engineers for quality and security.
- CI/CD Pipeline: Automated build, test, and deployment pipelines for consistent releases.
- Performance Profiling: Using Application Insights, BenchmarkDotNet, and other tools to optimize critical paths.
- Documentation: Clean API documentation, architecture decision records, and runbooks.
Frequently Asked Questions
Common questions about our services in India
What version of .NET does DotTut develop on?
We primarily develop on ASP.NET Core 8 and .NET 9, with the ability to work on all .NET versions from .NET 6 onwards. We also maintain legacy .NET Framework applications.
Can DotTut migrate our old .NET Framework application to .NET 8?
Yes, .NET migration is one of our specializations. We assess your codebase, create a migration plan, and execute the migration with minimal disruption to your operations.
Do you use Blazor for frontend development?
We use Blazor Server, Blazor WebAssembly, and traditional Razor Pages/MVC depending on the project requirements. We also integrate React or Angular with ASP.NET Core APIs where appropriate.
What databases do you use with ASP.NET Core?
We primarily use SQL Server with Entity Framework Core, but we also work with PostgreSQL, MySQL, SQLite, and MongoDB depending on requirements. We specialize in database performance optimization.
ASP.NET Core is one of the best choices for enterprise software — fast, secure, cross-platform, and with excellent long-term Microsoft support. When you choose DotTut as your .NET development partner, you get a team that is as passionate about .NET as you are about your business.
Contact DotTut today to discuss your .NET development project.
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