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Production-Ready .NET Software in 8–14 Weeks.
Radixweb delivers end-to-end custom .NET software development services, from ASP.NET web applications and .NET Core microservices to enterprise platform builds and legacy migrations on compliance-ready architecture.
Years in Business
Expert Engineers
Solutions Delivered
Sprint Success Rate
We do not just write code, we make architectural decisions that determine how fast you launch, how cleanly you pass compliance, and what your software maintenance costs years from now.
We architect security into your .NET application from sprint one. Every build includes threat modelling, OWASP-aligned vulnerability mitigation, zero-trust access controls, and encrypted data handling at rest and in transit. Our ISO 27001:2022 certified delivery process means your application reaches production audit ready.
We design every .NET architecture against real traffic projections. Horizontal scaling patterns, distributed caching, event-driven processing, and load testing under concurrent volume are standard in our delivery. The result is software that performs when your users hit it, not just in a controlled UAT environment.
Our Azure-certified engineers build .NET applications that are cloud-native from the first line of code. Infrastructure-as-code, CI/CD pipelines, auto-scaling, and managed Azure services are configured as part of the build. Your team receives a deployment model they can operate, monitor, and scale independently.
Write once, run on Windows, Linux, macOS, iOS, and Android. .NET's cross-platform architecture eliminates the cost of maintaining parallel codebases for different operating environments. For businesses with mixed infrastructure or multi-device user bases, this is a direct reduction in long-term engineering costs.
We integrate ML.NET, Semantic Kernel, and Azure AI Services as clean, independently testable modules. If your product roadmap includes AI in the next 12–18 months, we architect for it from the start so that adding a recommendation engine, fraud detection model, or agentic workflow doesn't require touching what's already in production.
Every .NET system we deliver comes with architecture decision records, OpenAPI documentation, deployment runbooks, and automated test suites to own, extend, and hand off the codebase. Our modular design standard and infrastructure-as-code approach consistently reduce post-launch operational costs while keeping TCO predictable over a 3–5-year horizon.
Our .NET application development services cover the full SDLC from consulting, architecture to development, QA, deployment, and post-launch support; tailored to your product stage, business objective, and tech environment.
The wrong architecture decision cost far more than the project budget. Our TOGAF-certified architects design your system architecture, API contracts, security layers, and scalability patterns in alignment with your compliance requirements. We build bespoke .NET applications that are designed to evolve.
We build high-performance web applications on ASP.NET Core that hold up under high traffic, complex data, and evolving feature requirements. API-first architecture, mobile-first UX, and clean integration with enterprise systems are built-in. Our ASP.NET web development services cover consumer-facing portals to complex B2B platforms.
Modern architecture demands are best served by .NET Core's cross-platform, cloud-native design. Whether you are building microservices, containerized workloads, or high-throughput APIs, our .NET Core development services deliver the performance and scalability that enterprise production environments require. Every engagement is .NET 10 LTS-aligned from the start.
C# powers .NET's most difficult enterprise applications. Our C# development team builds complex business logic engines, real-time APIs, background processing services, and data-intensive backend platforms following SOLID principles, clean architecture patterns, and the C# 14 language improvements that make large codebases maintainable over years.
Enterprise .NET software development requires a deep understanding of procurement workflows, multi-tenant architecture, ERP and CRM integration, and compliance layers that govern regulated industries. Our .NET enterprise application development practice delivers production systems for healthcare networks, financial institutions, and manufacturing enterprises with specific compliance, integration, and scalability requirements.
Our Azure development services combine .NET's native cloud readiness with Azure's full-stack managed services like App Services, Kubernetes Service (AKS), Service Bus, Cosmos DB, and Azure AI to build elastic, resilient, globally distributed applications. CI/CD pipelines, infrastructure-as-code, and automated rollback are configured from day one.
Legacy .NET Framework 4.x, WebForms, and WCF services accumulate technical debt until maintenance costs outweigh the risk of change. We execute phased, zero-downtime migrations to .NET Core using a strangler-fig pattern: new capability is built on the modern stack while the legacy system continues operating in production.
With architecture reviews, compliance gap analysis, tech stack assessments, and performance audits, our .NET consulting engagements help technical leaders make the right decisions before committing development budget. Our architects work through your current system, identify structural risks, and deliver an actionable roadmap.
Every .NET project comes with its own compliance demands, integration of landscape, and team structure. We tailor our delivery approach to match your approval of workflows, regulatory requirements, and stakeholder expectations.
We start with what do you want to build, why, for whom, and how it connects to measurable business outcomes. We document functional and non-functional requirements, integration constraints, compliance obligations across every target jurisdiction, and success metrics before architecture begins.
Output: BRD, FRD, Integration Map, Compliance Checklist
Our experts design your .NET system architecture, data models, API contracts, security layers, infrastructure topology, and scalability patterns. The tech stack is selected based on your existing skills, long-term maintainability, compliance posture, and project requirements. Every architecture decision is documented in ADRs so your team can own and evolve the system.
Output: Architecture Decision Records (ADRs), Tech Stack Rationale, Infrastructure Blueprint
We validate workflows with user journey mapping, information architecture, and Figma prototypes are tested with actual stakeholders. For enterprise .NET applications, this includes accessibility compliance and multi-role permission flows. Your team signs off on UX before a single sprint begins.
Output: User Flows, Wireframes, Figma Prototypes, Usability Test Report
Scrum, Kanban, or hybrid; we work with whichever agile framework fits your delivery culture. Two-week sprints include backlog grooming, sprint planning, weekly stakeholder demos, and documented change control. Integration with third-party APIs, Azure services, payment rails, identity providers, and ERP/CRM systems is built and regression-tested in parallel with feature development.
Output: Shippable increments every sprint, demo recordings, sprint retrospectives
QA engineers are included in the development process from sprint one. Automated regression suites, manual exploratory testing, performance load testing, OWASP security scanning (including XSS, SQL injection, and authentication vulnerabilities specific to .NET applications), and compliance validation for HIPAA, GDPR, SOC 2, and PCI-DSS run continuously across every release.
Output: Test Plans, Automated Test Suites, Security Scan Reports, Compliance Sign-off
CI/CD pipelines on Azure DevOps or GitHub Actions, infrastructure-as-code (Terraform/Bicep), containerized deployments via Docker and Kubernetes (AKS), blue-green releases for zero downtime, and automated rollback. We hand over full infrastructure documentation and operational runbooks so your internal team can operate the system independently.
Output: CI/CD Pipelines, IaC Scripts, Runbooks, Deployment Documentation
Engage a .NET development company when your application demands greater control, stronger scalability, and a more dependable foundation for long-term growth.
If your team spends more time managing an aging .NET Framework codebase than shipping new features. Every integration requires weeks of work. You've accumulated technical debt that compounds every sprint. A phased migration to .NET Core resolves the root cause.
HIPAA, GDPR, SOC 2, PCI-DSS, and DORA don't accommodate architectural shortcuts. If your current .NET application lacks tamper-evident audit trails, data residency controls, or granular access architecture, you are already carrying compliance risk.
If you've inherited a .NET codebase with no test coverage, no documentation, and no CI/CD pipeline; or if performance degrades under concurrent load, a specialist .NET development company can audit, stabilize, and scale what was delivered.
Adding ML.NET models, Azure Cognitive Services, or Semantic Kernel agentic workflows to an existing .NET application requires more than API integration. It requires a clean module boundary that doesn't introduce regression risk to your core product.
When your CRM, ERP, and .NET payment gateways do not communicate effectively, you have multiple sources of truth, and none of them are reliable. Tailored .NET software development treats your integration landscape as a first-class architectural requirement.
Most .NET scaling challenges are results of architectural debt collected from day-one shortcuts. If your application is hitting performance limits, database bottlenecks, or infrastructure constraints as your user base grows, the remediation cost increases non-linearly the longer you wait.
Technical debt, compliance gaps, and architecture shortcuts compound with every sprint you delay. Let’s fix it.
| Decision Factor | .NET Core Current: .NET 8, 9, 10 LTS - Active track | .NET Framework Last release: 4.8.1 - Maintenance only |
|---|---|---|
 Strategic Fit | New Digital Products, Modernization Initiatives, Cloud-First Applications, APIs, and Microservices | Mature Legacy Environments, Windows-Centric Workloads, and Applications with Established Microsoft Dependencies |
 Performance Profile | Optimized for Modern Workloads: Stronger Runtime Efficiency, Better Scalability, and Improved Throughput | Reliable for Stable Legacy Operations; Less Aligned with Contemporary Performance Expectations and Deployment Flexibility |
 Deployment Architecture | Native Containerization, Cloud Deployment, and DevOps-Oriented Release Pipelines. Designed for Architectural Flexibility | Depends on Traditional Windows Deployment Patterns and Less Adaptive Infrastructure Models |
 Platform Support | Fully Cross-Platform; Windows, Linux, and macOS from a Single Codebase | Windows-Only; Constrains Infrastructure Flexibility as Modernization Priorities Evolve |
 Modernization Readiness | Preferred Foundation for New Builds and Transformation Programs Requiring Future-Ready Architecture | Appropriate for Sustaining Existing Systems. Migration Becomes Necessary as Modernization Priorities Grow |
 Integration Potential | Works Effectively with Azure, Open APIs, Automation Tooling, and Cloud-Native Services Across Modern Enterprise Ecosystems | Strong within Established Microsoft Environments with Legacy Integrations |
 Maintainability | Easier to Extend Through Modular Design, Iterative Releases, and Evolving Product Roadmaps. Open-Source with Active Community Contribution | Appropriate for Sustaining Existing Applications; Long-Term Extensibility Becomes Constrained Over Time |
 Business Implication | The Right Choice when Agility, Scalability, and Future-Readiness are Strategic Priorities | The Right Choice when Protecting Existing Investments and Operational Continuity is Primary Concern |
25+ years and 4,200+ project deliveries teach you exactly where .NET builds succeed and where it breaks. Every solution below reflects categories we have delivered under real compliance scrutiny at the real production scale.
Multi-module enterprise applications on .NET Core with complex permissions, multi-tenant architecture, and ERP/CRM integration, built for the operational complexity that generic tools cannot handle.
High-performance web apps on ASP.NET Core MVC, Blazor, and Web API, from consumer portals to complex B2B platforms designed API-first and built for real production traffic.
Cloud-native .NET applications deployed on Azure Kubernetes Service, App Services, and Azure Functions, with Terraform IaC, CI/CD pipelines, and auto-scaling designed for your growth trajectory.
Decomposed microservices architectures on .NET Core with Docker containerization, service mesh, API gateway patterns, and independent deployment pipelines for every domain boundary.
ML.NET prediction models, Azure AI Services integrations, and Semantic Kernel agentic workflows embedded into .NET applications as clean, independently testable modules, not entangled business logic.
REST and GraphQL APIs that connect ERP, CRM, payment gateways, open banking rails, and third-party SaaS into a unified ecosystem with OAuth 2.0 security and rate-limiting by default.
Custom B2C and B2B commerce platforms on ASP.NET Core with bespoke catalogue engines, pricing logic, loyalty programs, and multi-channel fulfilment built for high-volume retail operations.
Phased migrations from .NET Framework 4.x, WebForms, and WCF to .NET Core using strangler-fig patterns that allow continuous feature delivery throughout the migration without production downtime.
Our .NET development approach is calibrated to industry-specific compliance requirements, integration of ecosystems, and business logic complexity.
Building secure, compliant, and high-performance financial systems on .NET that handle scale, real-time transactions, and regulatory scrutiny across multiple jurisdictions. PCI-DSS architecture built-in.
Our .NET development services are structured around three proven engagement models, each suited to a different project type, budget approach, and internal team structure.
Best For Budget Predictability
Best for .NET projects with well-defined scope and clear requirements. You know what you're building, when it will be delivered, and exactly what it will cost.
Most Popular Model
A fully dedicated .NET engineering team working exclusively on your product; embedded with your processes, tools, and working hours. Maximum flexibility, full control, aligned accountability.
Offers Maximum Flexibility
Best for evolving .NET projects where scope isn't fully defined upfront. Pay for actual hours delivered, with full visibility into how time is spent and the ability to reprioritize at every sprint boundary.
Great .NET software starts with the right architecture. We build every engagement on proven engineering principles that reduce risk, improve scalability, and set your product up for long-term success.
We build .NET systems that are designed to grow with your business. Whether the best starting point is a monolith for speed or microservices for scale, every solution is engineered with clear domain boundaries, defined API contracts, and a path to independent deployment. That means future changes stay manageable, updates stay focused, and your team avoids expensive rebuilds.
Why it matters: The difference between a system that scales and one that stalls is often the architecture decisions made at the start. Tightly coupled .NET applications can become costly liabilities faster than most businesses expect.
Every .NET solution we deliver is built around well-documented REST or GraphQL APIs, aligned before UI development begins. That gives your business the flexibility to integrate mobile apps, partner portals, data pipelines, and new tools without reworking the core system later. It also creates a stronger foundation for future expansion, faster integration, and lower change costs.
Why it matters: An API-first approach gives your product room to grow. A UI-first build often turns every new integration into a separate project.
Security is not something we add at the end. We design it into the architecture from the start through threat modeling, OWASP-aligned mitigation practices, Azure Key Vault, least-privilege access, and encryption for data at rest and in transit. Our ISO 27001:2022-aligned processes help keep security consistent from planning to release.
Why it matters: Retrofitting security after launch is slower, riskier, and far more expensive than building it into the foundation.
We design to meet the load you have today and the growth you expect tomorrow. During architecture planning, we account for 5x to 10x scale targets, then build around horizontal scaling, Redis caching, database connection pooling, and CDN architecture. The result is a platform that can absorb growth without breaking under pressure.
Why it matters: Scaling problems usually come from day-one shortcuts, not sudden demand. Planning for growth early protects both performance and budget.
Our cloud-native approach uses infrastructure-as-code, Docker, AKS, and Azure DevOps to create reproducible environments from development through production. That means fewer surprises, cleaner deployments, and no dependence on fragile, manually configured infrastructure. Every environment is defined in code, so your team has more control and less risk.
Why it matters: If your infrastructure cannot be reproduced, it cannot be reliably scaled or governed.
We deliver more than code. Architecture Decision Records, OpenAPI specs, data dictionaries, runbooks, and deployment guides are included alongside the build so your team can operate and evolve the system with confidence. That reduces dependency on outside support and makes future ownership easier.
Why it matters: Good documentation removes friction. It also prevents accidental vendor lock-in and gives your business more long-term control.
We choose .NET technologies based on what your project realistically needs, what your team can support, and what will still make sense a few years from now.
If you need real-time updates, SignalR may be the right fit. For high-concurrency APIs, ASP.NET Core Minimal APIs can work well. If AI is part of the roadmap, ML.NET and Azure AI Services are often worth considering.
The best stack on paper is not always the best stack in practice. We also look at your team’s skill set, what the scenario will be to hire for the stack later, and who will own it after handover.
We make recommendations with a deeper view of market trends. That means checking support, Microsoft’s roadmap, and overall ecosystem health, so your investment stays practical and defensible over time.
Starting from scratch, modernizing a legacy .NET platform, or scaling an existing application, we'll tell you what the build actually requires.
