I am a seasoned .NET developer with over 12 years of experience designing, building, and optimizing scalable software solutions. I specialize in backend services, system integration, and performance tuning using ASP.NET, C#, and SQL Server. I thrive in Agile environments and enjoy solving complex problems, delivering reliable features, and continuously learning new technologies. In cross-functional teams, I contribute to all phases of the software lifecycle—from architecture and coding to testing and deployment. I value clean design, maintainable code, and user-focused solutions that perform well under load.

Bogdan Sibișteanu

I am a seasoned .NET developer with over 12 years of experience designing, building, and optimizing scalable software solutions. I specialize in backend services, system integration, and performance tuning using ASP.NET, C#, and SQL Server. I thrive in Agile environments and enjoy solving complex problems, delivering reliable features, and continuously learning new technologies. In cross-functional teams, I contribute to all phases of the software lifecycle—from architecture and coding to testing and deployment. I value clean design, maintainable code, and user-focused solutions that perform well under load.

Available to hire

I am a seasoned .NET developer with over 12 years of experience designing, building, and optimizing scalable software solutions. I specialize in backend services, system integration, and performance tuning using ASP.NET, C#, and SQL Server. I thrive in Agile environments and enjoy solving complex problems, delivering reliable features, and continuously learning new technologies.

In cross-functional teams, I contribute to all phases of the software lifecycle—from architecture and coding to testing and deployment. I value clean design, maintainable code, and user-focused solutions that perform well under load.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent
Romanian, Moldavian, Moldovan
Fluent

Work Experience

.NET Developer at Nortelum & Neomed
April 1, 2012 - September 18, 2025
Developed Medical, a web application for private health clinics (appointments, payments, reports). Integrated the app with cash registers for automated receipts. Tech stack included ASP.NET 3.5, SQL Server, and Crystal Reports.
.NET Developer at Gabriels Technology Solutions
April 1, 2012 - Present
Developed and optimized RENO, a real estate platform for agents, brokers, and property listings. Implemented CMS integrations, caching and performance optimizations, localization/internationalization, custom serialization, unit conversion and formatting, and comprehensive URL management. Led unit testing with NUnit and Moq, implemented a User Personalization system with SSO, and integrated advanced search features and third-party APIs. Built and maintained complex SQL Server scripts, deployment scripts, and data transformations. Employed DI (Autofac), Repository/Unit of Work patterns, MVC/layered architecture, and several design patterns to ensure maintainability and scalability.
.NET Developer at Nortelum & Neomed
April 1, 2012 - September 18, 2025
Developed a web app for medical clinics with integrated payments and reporting. Delivered solutions aligned with client workflows under strict deadlines.
.NET Developer at Gabriels Technology Solutions
April 1, 2012 - Present
Optimized and maintained RENO, a scalable real estate platform. Integrated dynamic CMS features, localization, advanced caching, and personalized user systems. Built and optimized SQL Server scripts, and managed schema/data migrations. Integrated third-party APIs for advanced search and enhanced user experience. Developed and maintained responsive front-end using jQuery AJAX for seamless interaction. Applied modern design patterns for scalable and maintainable architecture. Worked collaboratively in Agile teams, leading code reviews and mentoring.
.NET Developer at Nortelum & Neomed
April 1, 2012 - September 18, 2025
Developed a web app for medical clinics with integrated payments and reporting. Delivered solutions aligned with client workflows under strict deadlines.
.NET Developer at Gabriels Technology Solutions
April 1, 2012 - Present
Optimized and maintained RENO, a scalable real estate platform. Integrated dynamic CMS features, localization, advanced caching, and personalized user systems. Built and optimized SQL Server scripts, and managed schema/data migrations. Integrated third-party APIs for advanced search and enhanced user experience. Developed and maintained responsive front-end using jQuery AJAX for seamless interaction. Applied modern design patterns for scalable and maintainable architecture. Worked collaboratively in Agile teams, leading code reviews and mentoring.
.NET Developer at Nortelum & Neomed
April 1, 2012 - September 18, 2025
Developed a web app for medical clinics with integrated payments and reporting. Delivered solutions aligned with client workflows under strict deadlines.
.NET Developer at Gabriels Technology Solutions
April 1, 2012 - Present
Optimized and maintained RENO, a scalable real estate platform. Integrated dynamic CMS features, localization, advanced caching, and personalized user systems. Built and optimized SQL Server scripts, and managed schema/data migrations. Integrated third-party APIs for advanced search and enhanced user experience. Developed and maintained responsive front-end using jQuery AJAX for seamless interaction. Applied modern design patterns for scalable and maintainable architecture. Worked collaboratively in Agile teams, leading code reviews and mentoring.
.NET Developer at Nortelum & Neomed
April 1, 2012 - September 18, 2025
Developed a web app for medical clinics with integrated payments and reporting. Delivered solutions aligned with client workflows under strict deadlines.
.NET Developer at Gabriels Technology Solutions
April 1, 2012 - Present
Optimized and maintained RENO, a scalable real estate platform. Integrated dynamic CMS features, localization, advanced caching, and personalized user systems. Built and optimized SQL Server scripts, and managed schema/data migrations. Integrated third-party APIs for advanced search and enhanced user experience. Developed and maintained a responsive front-end using jQuery AJAX for seamless interaction. Applied modern design patterns for scalable and maintainable architecture. Worked collaboratively in Agile teams, leading code reviews and mentoring.
.NET Developer at Nortelum & Neomed
April 1, 2012 - September 18, 2025
Developed a web app for medical clinics with integrated payments and reporting. Delivered solutions aligned with client workflows under strict deadlines.
.NET Developer at Gabriels Technology Solutions
April 1, 2012 - Present
Optimized and maintained RENO, a scalable real estate platform. Integrated dynamic CMS features, localization, advanced caching, and personalized user systems. Built and optimized SQL Server scripts, and managed schema/data migrations. Integrated third-party APIs for advanced search and enhanced user experience. Developed and maintained responsive front-end using jQuery AJAX for seamless interaction. Applied modern design patterns for scalable and maintainable architecture. Worked collaboratively in Agile teams, leading code reviews and mentoring.

Education

Master's Degree in Computer Science at Transilvania University, Brașov
January 1, 2009 - January 1, 2011
Bachelor's Degree in Computer Science at Transilvania University, Brașov
January 1, 2006 - January 1, 2009
Master’s Degree in Computer Science at Transilvania University, Brașov
January 1, 2009 - January 1, 2011
Bachelor’s Degree in Computer Science at Transilvania University, Brașov
January 1, 2006 - January 1, 2009
Master's Degree in Computer Science at Transilvania University, Brașov
January 1, 2009 - January 1, 2011
Bachelor's Degree in Computer Science at Transilvania University, Brașov
January 1, 2006 - January 1, 2009
Master's Degree in Computer Science at Transilvania University, Brașov
January 1, 2009 - January 1, 2011
Bachelor's Degree in Computer Science at Transilvania University, Brașov
January 1, 2006 - January 1, 2009
Master’s Degree in Computer Science at Transilvania University, Brașov
January 1, 2009 - December 31, 2011
Bachelor’s Degree in Computer Science at Transilvania University, Brașov
January 1, 2006 - December 31, 2009
Master’s Degree in Computer Science at Transilvania University, Brașov
January 1, 2009 - January 1, 2011
Bachelor’s Degree in Computer Science at Transilvania University, Brașov
January 1, 2006 - January 1, 2009

Qualifications

ITCamp
January 11, 2030 - September 18, 2025
Microsoft Summit
January 11, 2030 - September 18, 2025

Industry Experience

Software & Internet, Computers & Electronics, Professional Services, Healthcare, Real Estate & Construction, Education