Software Developer-Full stack Dot Net Developer

Costmasters Technologies; Mohali; On-site; INR 900,000 - 1,200,000; Full time

Job summary

Costmasters Technologies is seeking a capable software developer in Mohali to design, develop, and maintain web applications using ASP.NET, C#, MVC, and .NET Core/Framework. You will optimize SQL Server databases, build RESTful APIs, and ensure secure authentication across multiple systems.

The role requires strong front-end skills (JavaScript, jQuery, HTML5, CSS3), IIS configuration, and adherence to SDLC/Agile practices. You will also leverage AI tools to boost productivity and code quality.

Qualifications

• Strong experience with ASP.NET/C# MVC in enterprise web apps.
• Proficient in SQL Server development, data modeling, and performance tuning.
• Excellent knowledge of RESTful API design and integration across systems.
• Experience with authentication/authorization across apps and servers.
• Front-end skills: JavaScript, jQuery, HTML5, CSS3.

Responsibilities

• Design, develop, and maintain web-based applications using ASP.NET, C#, MVC, and .NET Framework/Core
• Develop and optimize SQL Server databases, data models, and stored procedures with focus on performance, scalability, and security
• Build and consume RESTful APIs and integrate across multiple systems and environments
• Implement authentication and authorization across applications and servers
• Develop responsive UI using JavaScript, jQuery, HTML5, CSS3
• Configure, host, and maintain multiple applications on IIS
• Follow SDLC and Agile methodologies throughout the development lifecycle
• Proactively improve code quality, performance, and system robustness
• Perform debugging, troubleshooting, and root-cause analysis of complex issues
• Contribute to continuous improvement of development standards and practices
• Effectively use ChatGPT, Claude and other AI-assisted development tools for: Code scaffolding and refactoring, Debugging and error analysis, writing technical documentation, Optimizing SQL queries and application performance. Apply AI responsibly to enhance development efficiency while maintaining code quality and security.

Skills

Analytical thinking

Problem solving

Debugging

Independent work

Attention to detail

User experience focus

Tools

ASP.NET

C#

MVC

.NET Framework/Core

SQL Server

RESTful APIs

JavaScript

jQuery

HTML5

CSS3

IIS

Job description

Role & responsibilities

• 1.Design, develop, and maintain web-based applications using ASP.NET, C#, MVC, and .NET Framework/Core
• 2.Develop and optimize SQL Server databases, data models, and stored procedures with focus on performance, scalability, and security
• 3.Build and consume RESTful APIs and integrate across multiple systems and environments
• 4.Implement authentication and authorization across applications and servers
• 5.Develop responsive UI using JavaScript, jQuery, HTML5, CSS3
• 6.Configure, host, and maintain multiple applications on IIS
• 7.Follow SDLC and Agile methodologies throughout the development lifecycle
• 8.Proactively improve code quality, performance, and system robustness
• 9.Perform debugging, troubleshooting, and root-cause analysis of complex issues
• 10.Contribute to continuous improvement of development standards and practices
• 11.Effectively use ChatGPT, Claude and other AI-assisted development tools for: Code scaffolding and refactoring, Debugging and error analysis, writing technical documentation, Optimizing SQL queries and application performance. Apply AI responsibly to enhance development efficiency while maintaining code quality and security.

Preferred candidate profile

• 1.Candidates with practical experience in Python, AI integration, agentic AI, and bot development will be preferred.
• 2.Strong analytical, problem-solving, and debugging skills
• 3.Result-oriented mindset with attention to detail
• 4.Passion for creating excellent user experiences and scalable systems
• 5.Ability to work independently and handle multiple priorities