Vishal Singh

Backend Operations / Application Support Engineer Utility Billing Systems | Oracle Utilities CC&B -Managed backend operations, SQL optimization, and batch automation for large-scale utility billing systems, supporting state-level power distribution projects. -Orchestrated and monitored batch job execution using Control-M, ensuring timely processing, job recovery, and operational stability. -Streamlined billing workflows in Oracle Utilities CC&B, improving billing accuracy, data consistency, and processing efficiency. -Enhanced real-time SBM (Spot Billing Machine) data workflows, ensuring reliable data ingestion, validation, and synchronization with backend systems. -Led billing data uploads, batch processing, and reconciliation for Haryana utility projects, consistently meeting regulatory compliance and client SLAs. -Collaborated with cross-functional teams to support projects delivered in partnership with IntelliSmart Infrastructure Pvt. Ltd. and Polarisgrids, contributing to stable production operations.

• Orchestrated production batch workflows using Control-M for critical utility operations, ensuring 99.9% job execution accuracy and minimizing system downtime through proactive monitoring • Optimized SQL queries and backend processes for utility billing system, improving data processing efficiency by 25% and supporting 500K+ customer records • Managed real-time data synchronization between CC&B platform and Spot Billing Machine (SBM) integrations, maintaining data consistency across distributed systems • Validated and processed operational datasets for IntelliSmart and Polarisgrids platforms, ensuring high data integrity for smart meter infrastructure serving 100K+ endpoints • Collaborated with cross-functional teams to troubleshoot integration issues, reducing incident resolution time by 30% through systematic debugging and root cause analysis

Built and enhanced full-stack web applications using Java, JDBC, JSP, HTML5, CSS, JavaScript, and SQL. Key Contributions: -Designed and deployed an E-Book Store website using MVC architecture and MySQL integration. -Applied OOP principles to create scalable, maintainable solutions. -Collaborated in debugging, testing, and optimizing applications, delivering high-quality outcomes.

• Developed full-stack E-Book Store application using J2EE, JDBC, JSP, and MySQL following MVC architecture, implementing user authentication and book catalog management features • Contributed to backend module development with RESTful API design, optimizing database queries for improved application performance • Participated in Agile sprints, conducted code reviews, and performed debugging to maintain code quality and reduce production bugs by 20%

DC-Operations (At Quess Client - UPPCL Data Center)✓ Monitoring and Executing Backend Batches on Control-M.✓ Executing/ Recreating SQL Query as Requirements, Procedures.✓ Uploading the billing data to the server through CC&B.✓ Monitoring and Executing Billing Batches in CC&B.✓ Managing and providing the billing data for SBM (Spot Billing Machine).

Managed IT infrastructure and coordinated online NIELIT examinations (CCC, O-Level). Highlights: -Administered 100+ lab systems, overseeing installation, troubleshooting, and maintenance. -Ensured compliance and system integrity during high-volume examinations. -Provided real-time technical support, maintaining uptime and smooth exam execution.

-Designed Chat Web Application using React.js, Firebase, and SCSS for real-time communication.