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dungphungdev

DungPhung

@dungphungdev

Senior Backend and Integration Engineer

Vietnam
English, Vietnamese
About me
Senior Backend & Integration Engineer with 14+ years of experience in .NET, Python, APIs, databases, Docker, cloud, and enterprise systems. I help clients fix backend issues, integrate REST APIs and third-party services, improve performance, automate workflows, and modernize existing systems. My experience includes ASP.NET Core, C#, Python, FastAPI, SQL Server, PostgreSQL, Docker, AWS/Azure, microservices, Kafka, OpenAI API integration, and legacy .NET modernization. I focus on practical, reliable solutions and clear communication.... Read more

Skills

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dungphungdev
DungPhung
Offline • 
Average response time: 1 hour

See my services

Bug Fixes
I will fix aspnet core dotnet API backend and sql issues
From$25 / projectMore details

Work experience

Rikkeisoft

Software Engineer

Rikkeisoft • Full-time

Jun 2015 - Dec 2017 • 2 yrs 6 mos

Contributed to a full legacy system migration from .NET Framework 1.1 to .NET Framework 4.0. Maintained and enhanced key business features while preserving existing system behavior during modernization. Worked extensively with ASP.NET MVC and Oracle database systems to ensure a seamless transition for enterprise clients.

FPT

Software Engineer

FPT • Full-time

Oct 2011 - May 2015 • 3 yrs 7 mos

Developed enterprise software solutions for government, telecommunications, and banking organizations. Participated in large-scale application projects involving backend development, database integration, and enterprise system maintenance. Worked primarily with .NET Framework and Microsoft SQL Server. Supported system enhancement, troubleshooting, and long-term maintenance of enterprise applications.