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Fiverr Pro
English
$
USD
Our agency will be dot net developer for asp net core backend and web apps
Sibers
Vetted Pro
Level 2
Agency
5.0
5.0
Vetted by Fiverr Pro
Sibers was selected by the Fiverr Pro team for their expertise.
About this gig
Need an experienced .NET developer to build, extend, or modernize your application?
Sibers is a software development agency with 100+ specialists, building software since 1998. Our .NET work includes a SaaS platform used by 200+ service companies, backend systems that improved production efficiency at least 5x, and a multi-brand B2B operations ecosystem developed in partnership since 2015.
Get a secure, scalable ASP.NET Core web application or .NET backend system built around your business requirements, with maintainable C# code, reliable integrations, and architecture designed for future growth.
Your project can include:
- ASP.NET Core, MVC, Razor Pages, and Web API
- C# backend architecture and business logic
- REST APIs and third-party integrations
- Entity Framework, LINQ, and SQL Server
- React, Angular, or Blazor frontends when needed
- Performance optimization, debugging, and refactoring
- Legacy .NET modernization for WebForms, WCF, and VB.NET
- Azure, AWS, and VPS deployment support
The result is clean, production-ready code built for reliable performance, long-term maintainability, and easier future development.
Message us to discuss your .NET project and the best next step.
About this agency
Sibers
Vetted Pro
Agency
100 employees
Level 2
Sibers is part of the Fiverr Pro catalog and has been hand-picked by a dedicated Fiverr Pro team for their skills and expertise.
Vetted for
AI Development
Mobile App Development
Software Development
Website Development
- FromUnited States
- Member sinceAug 2024
- Avg. response time4 hours
- Last delivery3 days
Languages
English
Hello, we are Sibers! Since 1998, our team of experts has been delivering custom software, mobile app, and web development solutions to businesses around the globe. With over 25 years of experience and thousands of successful projects, we specialize in building tailored, high-quality tech solutions that fit your unique needs. From startups to established enterprises, we’re committed to providing scalable, reliable, and efficient software to help you grow. Let's bring your vision to life with our world-class development services.
Portfolio
Other Software Development Services we Offer
FAQ
What technologies do you use?
We work with ASP.NET Core, C#, MVC, Web API, Entity Framework, SQL Server, Azure, and modern frontend frameworks such as React, Angular, and Blazor when required.
Can you work with an existing .NET application?
Yes. We can review an existing codebase, fix issues, add new features, refactor legacy code, improve performance, or continue development from its current state.
Can you integrate third-party APIs?
Yes. We develop REST APIs and integrate payment gateways, authentication services, CRMs, ERPs, databases, and other third-party or internal systems.
Will you deploy the app?
Yes. We support deployment to Azure, AWS, or your VPS and can assist with the required cloud and server configuration.
Can you fix legacy code?
Yes. We refactor, debug, and migrate legacy systems. We handle even old applications built with VB.NET, WCF, or ASP.NET WebForms and upgrade them to modern .NET solutions.
Can you build a complete .NET web application?
Yes. We can build a new .NET application from scratch. For larger projects, we first review the requirements and define the appropriate scope, timeline, and custom offer.
Do you speak fluent English?
Yes. We speak fluent English and provide clear, professional communication throughout the project.
Reviews
1 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
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Most relevant
S shu5dre
United States
Thank you, Sibers, for helping me finalize my .NET project. The team picked up where the previous developers left off, completed the remaining tasks, and polished the rest of the application. The whole process was smooth and easy — they were open to discussing tasks and clarifying requirements over a...
$50-$100
Price
1 day
Duration
Helpful?1 person found this review helpful.
Reviews
1 reviews for this Gig
| (1) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
S shu5dre
United States
Thank you, Sibers, for helping me finalize my .NET project. The team picked up where the previous developers left off, completed the remaining tasks, and polished the rest of the application. The whole process was smooth and easy — they were open to discussing tasks and clarifying requirements over a...
$50-$100
Price
1 day
Duration
Helpful?1 person found this review helpful.
