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Our services

Full-cycle .NET application development

Delivering reliable solutions and highly flexible cross-platform applications built on .NET. Our dedicated team will help you to automate the existing workflows, streamline business processes, and facilitate data management. We also offer ASP.NET development services to build dynamic web applications and APIs.

.NET application modernization

Altoros brings a strategic shift by transforming business-critical legacy software. Our experts perform .NET modernization with zero downtime, while satisfying your business requirements around functionality, performance, ease of maintenance, infrastructure resources utilization, etc.

.NET application containerization

Using Azure Kubernetes Service, we containerize .NET applications to automate deployment, patching, scaling, etc. By moving applications to the cloud of choice, the dedicated team at Altoros ensures high availability, scalability, and data security.

.NET application maintenance and support

As a company with .NET development expertise, we offer 24/7 professional support and maintenance. Experts at Altoros will enable monitoring, alerting, timely backups, and disaster recovery to ensure security, reliability, and fault tolerance.

.NET application migration

Hire ASP.NET developers at Altoros to migrate legacy software to a microservices-based architecture. ASP.NET development services at Altoros include cross-technology porting to improve performance, security, scalability, and resilience. Our experts will transform your apps without downtime to protect mission-critical data and maintain uninterrupted performance.

Remote full-stack development

70% of engineers responsible for custom .NET development at our company are full-stack experts with 7+ years of experience in the IT industry. In addition to rich expertise in modern technologies and programming languages, such as ASP.NET, VB.NET, ASP.NET MVC, WCF, Entity Framework, C#, etc., we offer a risk-free trial period and team retention guarantee.

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Hire dedicated teams

Extend your in-house talent with .NET developers

Facilitate the development process with a team of experienced engineers, architects, and project managers. Hire .NET developers with a proven experience in designing scalable architectures, building enterprise-grade systems, and operating high-traffic production environments.

A free 2-week trial period/money-back guarantee

You do not have to pay if you are not satisfied with our work.

Middle .NET Developer
Professional skills

Languages: C#, JavaScript, SQL

Frameworks: .NET, Entity Framework, jQuery, jQuery UI

Tools and technologies: MS Visual Studio, SQL Server Management Studio

6+ Years of experience
Senior .NET Developer
Professional skills

Languages: C#, JavaScript, SQL

Frameworks: .NET Framework, Entity Framework, NHibernate, jQuery, Angular

Tools and technologies: ASP.NET MVC, ASP.NET Web Forms, ASP.NET Web API, Azure DevOps

Databases: MS SQL Server

9+ Years of experience
.NET Team Lead
Professional skills

Languages: C#, JavaScript, TypeScript

Frameworks: .NET Core, .NET, Angular, WCF, EF Core/EF//ADO.NET

Tools and technologies: Visual Studio, VS Code

Databases: MS SQL Server, Azure SQL, CosmosDB, MySQL

26+ Years of experience

Why choose Altoros as a .NET development partner?

With 12+ years of experience in .NET and 50+ solutions delivered yearly, our .NET engineers can scale your product development, as well as meet non-functional requirements, thus saving 100% on the production.

At Altoros, you can get access to skills and expertise of 40+ .NET engineers and find the best-fit talent. 90% of all our developers are of senior- or mid-level.

Hire top-performing .NET developers within 72 hours. Our experts are ready to shrink 3 months into 2 weeks and deliver a backlog, clarify requirements, and ramp up the start.

94% total customer satisfaction. Based on surveys held with net promoter score on a regular basis, we proved to deliver positive customer experience.

Our customers speak

Since the company's foundation in 2001, Altoros has gone a long way to build a team of full-stack developers with solid technology expertise that has received a lot of positive customer testimonials.

Our customer satisfaction rate is95%according to our NPS surveys held on a 3-month basis. Learn more about our customers.




“I would definitely recommend Altoros for software development projects. It has been a pleasure working with them. There is a huge commitment from the team. The code quality and communication are top-notch. Absolutely would recommend hiring Altoros for software needs.”

Landon Swan, Co-founder of Likefolio




“The remit of the Altoros ops folks is to locate and stabilize a malfunctioning service and report it to the engineering team. If they can't stabilize it, they have permission to wake us up, but that's only happened once.”

Laurie Voss, Cofounder and COO at npm



Doubled our customer base and rolled out several new product lines

“In collaboration with our in-house team, our Altoros contractors swiftly identified and articulated critical paths against our roadmap. Altoros contractors were able to dive in from day one and meaningfully contribute to our engineering organization.”

Alex Scott, Co-founder at Revere

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Why hire .NET developers?

Our company with extensive .NET development expertise builds efficient and robust apps for any device type (desktop, tablet, or mobile). Applications built on .NET benefit from a highly secure development environment with indispensable data protection mechanisms (Windows authentication, cryptography algorithms, etc.). The technology also offers flexible deployments and the ability to run multiple .NET versions on a single computer to handle different scenarios.

Hire .NET developers at Altoros and transform your idea into a fully fledged product!

Frequently asked questions

  • What are the benefits of using .NET development services?

    .NET is a versatile and powerful framework for developing various types of software solutions, including web applications, desktop software, mobile applications, and more. Some of the benefits of using .NET development services include access to a wide range of tools and libraries, scalability, security, and the ability to build software for multiple platforms.

  • What tech stack do you use for .NET development projects?

    Our team of .NET developers is skilled in using various tools and technologies such as C#, .NET Core, ASP.NET, SQL Server, Azure, and more.

  • Can you integrate my existing software with .NET applications?

    Yes, we can integrate your existing software with .NET applications. Our team of experts will analyze your infrastructure and requirements to select the most suitable integration method and tech stack. Further on, our team will ensure that the integration is easy to scale, adaptable, and secure, so no customer or business data is lost or intercepted.

  • How much does it cost to outsource .NET development of my project?

    The cost of outsourcing .NET development services may vary depending on the project's scope, complexity, and timeline. Based on your specific needs and requirements, we can provide you with an estimated budget for your project. However, our team ensures that the services we provide are cost-effective and deliver maximum value to our customers.

  • Can .NET Core be used for startups?

    Absolutely. The use of .NET Core and C# language is highly recommended for building modular and scalable applications, making it an excellent choice for startups. With high code quality and a streamlined development process, .NET Core can easily accommodate the growth of your development team as your business expands.

  • Are there any additional costs involved if we decide to develop our app with the .NET platform?

    There are no additional costs involved in developing an app with the .NET platform. It is an open-source platform, and development tools are free for Windows, macOS, and Linux. Project costs depend on factors such as project scope, complexity, urgency, engagement model, and desired features.

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Alex Tsimashenka
Business Development Director
+1 (650) 419-3379