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 up-to-date .NET technologies, we'd love to hear from you.

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