Senior .NET Developer – C#, ASP.NET Core, Web API

Ampstek; Hong Kong; On-site; HKD 450,000 - 750,000; Full time

Job summary

Ampstek in Hong Kong is seeking an experienced .NET Developer to design, develop, test, deploy, and support scalable enterprise applications. You will work with Business Analysts, Architects, QA, and stakeholders to deliver high-quality technology solutions.

The ideal candidate has 5–7 years of hands-on experience with C#/.NET, ASP.NET Core MVC, Web API, and SQL Server, plus Azure DevOps, Git, CI/CD, and unit testing capabilities. Cantonese language skills are mandatory.

Qualifications

• 5–7 years of professional software development experience.
• Strong hands-on experience with C#/.NET, ASP.NET Core MVC, Web API and SQL Server.

Responsibilities

• Design, develop, test, and deploy scalable applications using C# and .NET technologies.
• Develop and maintain RESTful APIs and Web Services.
• Build enterprise applications using ASP.NET Core, MVC, .NET Core, and .NET 8.
• Develop and maintain applications integrated with SQL Server databases.
• Collaborate with Business Analysts, Solution Architects, QA teams, and stakeholders to understand requirements and deliver solutions.
• Troubleshoot, debug, and resolve application defects and production issues.
• Participate in code reviews and ensure adherence to coding standards and development best practices.
• Develop and execute unit tests to ensure application quality, reliability, and maintainability.
• Contribute to CI/CD implementation and DevOps processes.

Skills

C#

.NET Core/.NET 8

ASP.NET Core MVC

Web API/RESTful Services

SQL Server

Git

Unit Testing (xUnit/NUnit/MSTest)

Cantonese (Local)

Tools

Azure DevOps

Job description

Ampstek in Hong Kong is seeking an experienced .NET Developer to design, develop, test, deploy, and support scalable enterprise applications. You will work with Business Analysts, Architects, QA, and stakeholders to deliver high-quality technology solutions.

The ideal candidate has 5–7 years of hands-on experience with C#/.NET, ASP.NET Core MVC, Web API, and SQL Server, plus Azure DevOps, Git, CI/CD, and unit testing capabilities. Cantonese language skills are mandatory.