Full Stack .NET Developer (C#, .NET , ASP.NET Core , Angular, React , REST APIs , SQL Server)

NEPTUNEZ SINGAPORE PTE. LTD.; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

NEPTUNEZ SINGAPORE PTE. LTD. is seeking an experienced Full Stack .NET Developer to design, develop, and maintain scalable, secure, and high-performance applications.

You will work across backend and frontend layers using C#, .NET, ASP.NET Core, Angular or React, and SQL Server. The role emphasizes building RESTful APIs, ORM with Entity Framework, code reviews, debugging, and performance optimization, with collaboration across Dev, QA, and operations teams to ensure smooth deployment and

Qualifications

• 5+ years of relevant experience as a Full Stack .NET Developer, .NET Developer, or Software Engineer.
• Strong hands-on experience in C# and .NET development.
• Experience with ASP.NET Core.
• Experience with Angular or React.
• Experience developing and integrating RESTful APIs.
• Experience with SQL Server and database development.

Responsibilities

• Design, develop, and maintain scalable, secure, and high-performance full-stack applications using .NET technologies.
• Develop backend applications, services, and APIs using C#, .NET, and ASP.NET Core.
• Build and maintain responsive and interactive frontend applications using Angular or React.
• Design, develop, and integrate RESTful APIs and third-party services.
• Develop and optimize database schemas, stored procedures, and SQL queries using SQL Server.
• Implement and maintain data access layers using Entity Framework or similar ORM technologies.
• Participate in code reviews, testing, debugging, and performance optimization.
• Troubleshoot application and production issues and perform root cause analysis.
• Collaborate with development, QA, DevOps, and business teams. Support application deployment, maintenance, and continuous improvement.

Skills

C#

.NET

ASP.NET Core

RESTful APIs

Angular

React

SQL Server

Entity Framework

Code reviews

Performance optimization

Tools

Angular

React

SQL Server

Entity Framework

ASP.NET Core

Job description

Responsibilities

• Design, develop, and maintain scalable, secure, and high-performance full-stack applications using .NET technologies.
• Develop backend applications, services, and APIs using C#, .NET, and ASP.NET Core.
• Build and maintain responsive and interactive frontend applications using Angular or React.
• Design, develop, and integrate RESTful APIs and third-party services.
• Develop and optimize database schemas, stored procedures, and SQL queries using SQL Server.
• Implement and maintain data access layers using Entity Framework or similar ORM technologies.
• Participate in code reviews, testing, debugging, and performance optimization.
• Troubleshoot application and production issues and perform root cause analysis.
• Collaborate with development, QA, DevOps, and business teams. Support application deployment, maintenance, and continuous improvement.

Requirements

• 5+ years of relevant experience as a Full Stack .NET Developer, .NET Developer, or Software Engineer.
• Strong hands-on experience in C# and .NET development.
• Experience with ASP.NET Core.
• Experience with Angular or React.
• Experience developing and integrating RESTful APIs.
• Experience with SQL Server and database development.