
Duvid is available for hire
Hire DuvidDuvid Rottenberg
Verified Expert in Engineering
Back-end Developer
Location
New York City, NY, United States
Toptal Member Since
January 26, 2022
Duvid is a self-taught software developer with 15 years of experience specializing in back-end systems with C# and SQL in a New York-based telecommunications company. He also teaches a full-stack development course covering ASP.NET MVC, C#, and jQuery. Duvid enjoys learning how to utilize cutting-edge technologies on an ongoing basis.
Portfolio
ICA Institute
ASP.NET MVC, C#, HTML5, Microsoft SQL Server, jQuery
Xchange Telecom
C#, SQL, JavaScript, ASP.NET MVC, APIs, API Integration...
Experience
Availability
Part-time
Preferred Environment
Windows
The most amazing...
...system I've developed was for remote elementary school classes during the COVID-19 pandemic.
Work Experience
Instructor
2020 - PRESENT
ICA Institute
- Taught a course in full-stack development using ASP.NET MVC, C#, HTML5, and jQuery.
- Developed the curriculum to help students understand what's going on under the hood as they worked toward becoming professional developers.
- Mentored students who needed additional assistance with their studies.
Technologies: ASP.NET MVC, C#, HTML5, Microsoft SQL Server, jQuery
Senior Developer
2007 - PRESENT
Xchange Telecom
- Developed an IVR engine that incudes high-volume conferencing capabilities.
- Created an automated system for provisioning telecom services.
- Integrated with many third-party systems using a wide variety of API technologies.
Technologies: C#, SQL, JavaScript, ASP.NET MVC, APIs, API Integration, Interactive Voice Response (IVR)
Experience
IVR System with High-capacity Conferencing
A menu-driven phone system I developed with high stability and high capacity. The system can handle conferences with thousands of participants. Many schools used this Xchange Telecom system for remote classes during the COVID-19 pandemic.
Skills
Languages
C#, SQL, JavaScript, HTML5
Frameworks
.NET, .NET Core, ASP.NET MVC
Tools
FreeSWITCH
Libraries/APIs
jQuery
Other
APIs, API Integration, HTTP REST, VoIP, Interactive Voice Response (IVR)
Platforms
Linux, Windows
Storage
Microsoft SQL Server