.NET Developer – C# / ASP.NET Core

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

We are looking for an experienced .NET Developer with strong hands-on experience in C#, .NET Core/.NET 8, ASP.NET Core MVC, Web API, RESTful services, and SQL Server.

The successful candidate will be responsible for designing, developing, testing, deploying, and supporting scalable enterprise applications. The role will involve working closely with Business Analysts, Architects, QA teams, and other stakeholders to deliver high-quality technology solutions.

Key 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.

Mandatory Skills

• C#
• .NET Core / .NET 8
• ASP.NET Core MVC
• Web API / RESTful Services
• SQL Server
• Git
• Unit Testing frameworks such as xUnit, NUnit, or MSTest
• Local Cantonese speaking – Mandatory

Ideal Candidate

The ideal candidate will have 5–7 years of professional software development experience, with strong hands-on expertise in C#/.NET, ASP.NET Core MVC, Web API, and SQL Server. Candidates should also have experience with Azure DevOps, Git, CI/CD, and unit testing, along with the ability to communicate effectively in Cantonese.