Senior SIS Billing Developer

Experience: 4-6 Years

Location: Gurugram

Work Mode: Onsite

Employment Type: Full time

Job Summary

We are seeking a skilled and detail-oriented Senior .NET Billing Developer with 4-6 years of hands-on experience in billing application development, implementation, maintenance, and support. The ideal candidate will have strong expertise in .NET technologies, SQL, MVC, JavaScript frameworks, database management, and billing systems , along with exposure to Azure integrations and DevOps practices. This role requires a proactive professional who can contribute across the software development lifecycle, from design and development to testing, deployment, and production support.

Key Responsibilities

Software Development

- Design, develop, enhance, and deploy enterprise applications using .NET technologies .
- Develop responsive front-end solutions using AngularJS, ReactJS, JavaScript, HTML, and CSS .
- Implement and maintain billing functionalities aligned with standard billing rules and business processes.
- Participate in requirement analysis, effort estimation, sprint planning, and Agile ceremonies.
- Collaborate with cross-functional teams to deliver scalable and high-quality solutions.

Application Maintenance & Support

- Provide ongoing support, enhancements, and maintenance for existing .NET applications.
- Troubleshoot application issues and optimize system performance.
- Manage incidents and problem resolution within the ITSM framework .
- Perform database administration tasks, query optimization, indexing, and performance tuning.
- Ensure application stability, reliability, and compliance with operational standards.

Integration & Performance Optimization





- Integrate applications with Microsoft Azure Integration Services and other enterprise platforms.
- Support and maintain middleware components, including SSIS and SSRS .
- Work with CI/CD pipelines , version control systems, and DevOps practices for efficient software delivery.
- Monitor system performance and implement optimization strategies.

Testing & Quality Assurance

- Conduct unit testing and support integration, system, and user acceptance testing activities.
- Identify, debug, and resolve defects to ensure high-quality deliverables.
- Maintain coding standards and follow best practices for software development and deployment.

Required Skills

Technical Skills

- C#, ASP.NET, .NET Framework / .NET Core
- MVC Architecture
- SQL Server, Database Management, Query Optimization
- JavaScript, jQuery
- AngularJS and/or ReactJS
- HTML5, CSS3
- Visual Studio, VS Code
- SSIS, SSRS
- Microsoft Azure Integration Services
- CI/CD Pipelines and Version Control Tools

Domain Knowledge

- Strong understanding of Billing Systems and Standard Billing Processes
- Experience in application support, maintenance, and production issue resolution
- Familiarity with ITSM processes, particularly Incident and Problem Management

Methodologies

- Agile/Scrum Development
- Estimation Techniques and Planning

Preferred Qualifications

- Experience working in enterprise-scale billing environments.
- Exposure to cloud-based integrations and modern application architectures.
- Strong analytical, troubleshooting, and communication skills.
- Ability to work effectively in a collaborative, fast-paced environment.

If you are passionate about building robust billing solutions and driving application excellence through modern .NET technologies, we‘d love to hear from you.

📌 Senior SIS Billing Developer (Gurugram)
🏢 AIonOS
📍 Gurugram