Agency
TechnologiesC#

C# DEVELOPMENT SERVICES

Work with C# experts trusted by the world's top tech teams.

Our C# specialists have successfully delivered hundreds of mission-critical projects for global brands and leading enterprises. Work with vetted nearshore .NET architects specializing in modern, high-performance cloud solutions.

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AI CODING TOOLS WE USE

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ENDORSED BY ENGINEERS. TRUSTED BY CTOS.

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CUSTOM C# DEVELOPMENT SERVICES

Advanced .NET Cloud and Web Solutions

We architect, build, and optimize enterprise-grade applications utilizing the latest advancements in .NET 8 and beyond. Our solutions are designed for maximum throughput, utilizing clean architecture, microservices, and deep cloud integration.

Engineers working together

We engineer highly concurrent, RESTful and gRPC APIs using ASP.NET Core, delivering uncompromised performance and security for complex enterprise backends serving millions of requests.

We decouple monolithic systems into resilient, independently scalable microservices utilizing .NET, Docker, and Kubernetes, ensuring zero-downtime deployments and isolated fault domains.

We build rich, interactive Single-Page Applications (SPAs) entirely in C# using Blazor WebAssembly and Server, enabling seamless code sharing between backend and frontend while eliminating JavaScript overhead.

We securely migrate aging .NET Framework applications to modern, cross-platform .NET 8 architectures, drastically improving execution speed, reducing cloud hosting costs, and eliminating technical debt.

We implement robust, event-driven architectures utilizing C# with RabbitMQ, Azure Service Bus, and Apache Kafka to handle high-throughput asynchronous communication across enterprise boundaries.

We optimize data layers using Entity Framework Core for complex relational queries, or micro-ORMs like Dapper when extreme low-latency and raw SQL execution speeds are required.

We develop unified, native client applications for Windows, macOS, iOS, and Android using .NET MAUI, allowing you to maintain a single C# codebase across your entire digital ecosystem.

We leverage the full power of the Azure ecosystem, building serverless C# Azure Functions, robust Cosmos DB integrations, and utilizing Azure Key Vault for zero-trust enterprise security.

Swapnil Shelke
Swapnil ShelkeCEO of Deployra
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Their engineers perform at very high standards. We've had a strong relationship for almost 3 years.

The best partnerships are the ones you don't have to worry about. We deliver the kind of technical execution and reliability that builds long-term trust. It's why clients consistently praise our work quality and performance.

OUR C# DEVELOPMENT TEAM

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Backed by4000+ devs

Why tech leaders choose our .NET engineering teams:

We provide seasoned C# architects who excel in Domain-Driven Design (DDD), Test-Driven Development (TDD), and enterprise cloud patterns. Our teams integrate seamlessly to deliver highly maintainable code that scales effortlessly.

Top 1% .NET Architects

Our developers possess deep expertise in the intricacies of the CLR, garbage collection optimization, and multi-threading. They utilize advanced C# language features to write concise, expressive, and allocation-free code.

Cloud-Native Expertise
Enterprise-Ready Architecture

C# CASE STUDIES

Numbers of C# projects delivered.

Our clients rely on us for C# software that satisfies strict performance, security, and compliance targets. From high-volume payment gateways to HIPAA-aligned healthcare services, our C# applications stay in production years after launch.

FINANCIAL SERVICES

High-Throughput Payment Processing API

A premier payment gateway required a modernized backend to handle extreme transaction volumes during peak shopping seasons. We re-architected their legacy monolith into highly scalable ASP.NET Core microservices. Utilizing gRPC for internal service communication and Dapper for ultra-fast SQL Server access, we increased their transaction throughput by 400% while reducing average API latency to under 30ms.

C# 12.NET 8gRPCDapperSQL Server
PAYSTREAM
LOGISTICS & SUPPLY CHAIN

Event-Driven Global Inventory System

A global logistics provider struggled with real-time inventory synchronization across hundreds of international warehouses. We implemented a robust event-driven architecture using C#, Azure Service Bus, and Cosmos DB. This decentralized approach allowed for instant, eventually consistent updates across the globe, completely eliminating inventory ghosting and reducing cloud computing costs by 25%.

C#Azure Service BusCosmos DBAzure Functions
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HEALTHCARE

HIPAA-Compliant Patient Portal

A massive healthcare network needed a secure, unified patient portal accessible across web and mobile platforms. We utilized Blazor WebAssembly to create a highly responsive, C#-driven frontend SPA, seamlessly integrating it with a secure ASP.NET Core backend. Adhering to strict HIPAA compliance, we implemented Azure Key Vault and end-to-end encryption, resulting in a flawless security audit and a 50% increase in patient engagement.

Blazor WebAssemblyASP.NET CoreAzure Key VaultEF Core
CARENET

Looking for a team with this kind of track record?
Tell us more about your C# needs.

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AI EXPERTS

Work with AI-augmented C# developers.

Every developer we provide uses modern AI coding tools to ship faster than ever while producing cleaner, more consistent code.

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TOOLS FOR C# DEVELOPMENT

The ecosystem we use for C# projects:

We deliver C# solutions on a disciplined ecosystem designed for stability, security, and exceptional performance. We leverage the full breadth of the modern .NET ecosystem, relying on mature frameworks, comprehensive testing tools, and seamless cloud integrations to build enterprise-grade software.

We build upon the latest cross-platform runtimes to guarantee type safety, uncompromised performance, and long-term support for your enterprise applications.

.NET 8 / .NET 9ASP.NET CoreBlazor.NET MAUI

We heavily leverage Microsoft Azure and containerization to deliver scalable, secure, and resilient architectures tailored specifically for modern C# applications.

Azure App ServiceAzure FunctionsAKS (Kubernetes)Docker

We build decoupled, event-driven architectures using robust messaging brokers to handle massive throughput and ensure reliable communication across microservices.

Azure Service BusRabbitMQMassTransitApache Kafka

We optimize your data persistence layer, utilizing fully-featured ORMs for complex domain models, and lightweight micro-ORMs for raw, high-performance query execution.

Entity Framework CoreDapperAzure Cosmos DBRedis

We enforce rigorous Test-Driven Development (TDD) using industry-standard testing frameworks to guarantee code quality and prevent regressions in mission-critical logic.

xUnitNUnitMoqFluentAssertions

We instrument our C# applications with deep telemetry and structured logging to monitor performance, trace distributed requests, and diagnose production issues instantly.

Application InsightsSerilogOpenTelemetryPrometheus

We integrate sophisticated bi-directional communication channels to power live dashboards, chat applications, and instantaneous state synchronization.

SignalRgRPCWebSockets

We automate the entire software delivery pipeline, ensuring rapid, reliable deployments and consistent environments across all stages of development.

Azure DevOpsGitHub ActionsTerraformBicep

We implement enterprise Zero-Trust architectures, ensuring secure authentication, role-based access control, and encrypted secrets management.

Microsoft Entra IDIdentityServerAzure Key VaultOAuth2 / OIDC

CLIENT TESTIMONIALS

Get C# results you can stand behind.

Our work holds up in reviews, in production, and in front of the board.

Digital Commerce

Developed BitForge's Modern Digital Commerce Platform

"Finding engineers who could quickly understand our product vision and execute at a high level was our biggest challenge. Agency consistently provided outstanding developers who became trusted contributors, helping us build BitForge into a reliable and scalable digital marketplace."

Swapnil ShelkeFounder
BitForge

Digital Commerce

Developed BitForge's Modern Digital Commerce Platform

BitForge was created to provide a secure digital marketplace for buying and selling software products, digital assets, and downloadable content. Our engineers developed a scalable full-stack platform featuring secure authentication, role-based access control, payment processing, cloud storage integration, and an optimized user experience that supports reliable transactions and future platform growth.

NextJSNode.jsTypeScriptPrisma ORMCloudflare R2
2-10Team size
10NPS
4Experience

HEALTHCARE

Healthcare & MedTech

"What stands out most about Agency is the quality of its people. They consistently provide talented, experienced developers who quickly become trusted members of our team, helping us deliver reliable software on time and at a high standard."

Brijesh GontelaCTO
Sanjivani Group

Networking

Developed new Communication Platform

"Agency helped us transform an ambitious idea into a successful product. Their ability to rapidly source experienced developers and seamlessly integrate them into our team allowed us to accelerate development without compromising on quality."

Vyom ShrajanVP Engineering
Varta

Networking

Developed new Communication Platform

A growing business needed a modern communication platform to connect teams and customers more efficiently. Our engineers designed scalable backend services, built real-time messaging capabilities, integrated secure APIs, and optimized the user experience to support rapid growth, high availability, and seamless collaboration.

ReactNode.jsTypeScriptSocket.IOPostgreSQL
2-10Team size
8NPS
5Experience

Platform as a Service(Paas)

Scaled and Maintained Deployra's AWS Infrastructure

"Agency has been an outstanding technology partner throughout our growth. Their engineers consistently delivered high-quality solutions, adapted quickly to evolving requirements, and helped us build a reliable deployment platform we're confident will scale with our business for years to come."

Mukund KumarSenior Backend Engineer
Deployra

Join 50+ companies who count on our C# developers

FLEXIBLE ENGAGEMENT MODELS

Need extra C# expertise? Plug us in where you need us most.

We customize every engagement to fit your workflow, priorities, and delivery needs.

Extend Your Engineering Team with Senior Talent

STAFF AUGMENTATION

Quickly scale your development capacity with experienced software engineers who integrate seamlessly into your existing team. They work within your processes, collaborate in your daily ceremonies, and deliver production-ready code from day one.

Need a dedicated team to deliver products faster?

DEDICATED TEAMS

Build a cross-functional engineering team tailored to your product goals. We assemble developers, designers, QA engineers, and project managers who take ownership of delivery, collaborate closely with your stakeholders, and drive projects from planning through production.

Need an experienced team to own your entire project?

SOFTWARE OUTSOURCING

Entrust your complete software development lifecycle to our experienced engineering teams. From discovery and architecture to development, testing, deployment, and ongoing support, we take full ownership while keeping you informed through every milestone.

Kick off C# projects in 2 - 4 weeks.

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We have reps
across the US.

Speak with a client engagement specialist near you.

Discuss solutions and decide team structure.

Tell us more about your needs. We'll discuss the best-fit solutions and team structure based on your success metrics, timeline, budget, and required skill sets.

Onboard your team and get to work.

With project specifications finalized, we select your team. We're able to onboard developers and assemble dedicated teams in 2-4 weeks after signature.

We track performance on an ongoing basis.

We continually monitor our teams' work to make sure they're meeting your quantity and quality of work standards at all times.

C# FAQ

What tech leaders ask about C# before pulling us in:

Modern .NET (formerly .NET Core) is a lightning-fast, cross-platform, open-source framework. It consistently ranks as one of the fastest web frameworks available (via TechEmpower benchmarks), offers incredibly strong type safety, and is backed by the massive enterprise ecosystem of Microsoft and Azure.

Yes, legacy modernization is a core specialty. We utilize proven strategies like the Strangler Fig pattern to systematically migrate aging .NET Framework monoliths to cross-platform .NET 8 microservices, ensuring zero downtime and immediate performance gains.

Absolutely. We frequently architect decentralized systems utilizing C# with message brokers like Azure Service Bus, RabbitMQ, and Apache Kafka. We implement advanced patterns like CQRS (Command Query Responsibility Segregation) and Event Sourcing to handle massive scale.

For complex domain models requiring rapid development and change tracking, we utilize Entity Framework Core. When raw execution speed and complex analytical queries are required, we leverage lightweight micro-ORMs like Dapper to ensure maximum performance.

Yes. By utilizing Blazor WebAssembly, we can write highly interactive, client-side web UI entirely in C#. This allows our teams to share business logic, models, and validation rules perfectly between the ASP.NET Core backend and the frontend browser.

We strictly adhere to Clean Architecture and SOLID principles. Our CI/CD pipelines enforce high test coverage using xUnit and Moq, and we utilize static code analysis tools (like SonarQube or Roslyn analyzers) to prevent technical debt and maintain pristine code quality.

Yes, we utilize .NET MAUI (Multi-platform App UI) to build native applications for Windows, macOS, iOS, and Android from a single shared C# codebase, drastically reducing time-to-market for enterprise mobile solutions.

C# and .NET offer unparalleled, first-class integration with Microsoft Azure. We leverage native SDKs to build serverless Azure Functions, integrate with Azure Key Vault for seamless secrets management, and deploy directly to Azure App Service or AKS with zero friction.

USEFUL C# RESOURCES

.NET and C# resources.

See why the biggest names in tech trust us with
C# development.

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