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dungphungdev

DungPhung

@dungphungdev

Senior Backend Engineer for API Debugging and SQL

Vietnam
Inglés, Vietnamita
Parte de la información aparece en idioma inglés.
Sobre mí
I troubleshoot ASP.NET Core APIs, unreliable webhooks, and slow SQL queries. I reproduce the issue, trace the root cause, and explain how to verify the fix. I have 14+ years of backend and integration experience, including financial services. I work with C#, .NET, REST APIs, SQL Server, and PostgreSQL, and also support Python, FastAPI, Docker, cloud integrations, and legacy .NET modernization. Send the expected behavior, steps to reproduce, and sanitized logs so we can define a focused scope.... Lee más

Habilidades

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dungphungdev
DungPhung
desconectado • 
Tiempo medio de respuesta: 1 hora

Revisa mis servicios

Corrección de errores
I will debug aspnet core apis webhooks and sql issues
DeUSD 25 / proyectoMás información
Consultas SQL y NoSQL
I will review and optimize one slow sql server query
DeUSD 30 / proyectoMás información

Experiencia laboral

F88

Development Lead / Senior Backend Engineer

F88

Jan 2023 - Present • 3 yrs 10 mos

Lead backend development for business-critical financial systems and enterprise integrations. Design and maintain distributed .NET services, REST APIs, SQL Server stored procedures, and asynchronous processing with Apache Kafka. Investigate production issues across application, database, and integration layers, including performance tuning and root-cause analysis. Provide technical guidance and code reviews, and work with AWS, DevOps, QA, architects, and business teams on reliable backend delivery and system modernization.

VMO

Software Engineer

VMO

Jun 2020 - Jan 2023 • 2 yrs 7 mos

Developed and maintained microservices using .NET Core and Azure cloud services. Contributed across the service lifecycle, including system design, backend development, automated testing, and CI/CD. Worked on application performance tuning, troubleshooting, and maintenance of production features. Tech stack included .NET Framework, .NET Core, Azure, and cloud-based backend architecture.

Rikkeisoft

Software Engineer

Rikkeisoft • Tiempo completo

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.