ZAHID MAHMOOD

Senior Data - BI Engineer

• Job Details:Extensive integration of AI and ML across the data and software development life cycle (SDLC). Act as the primary point of contact for stakeholders, facilitating business requirement gathering, solution design, and technical validation to meet data and BI complex financial needs. Design and develop dashboards, reports, and data visualizations for digital contracts, account statements and e-applications across CRM, ORM, billing, MNP, ZATCA, marketing, sales, financials and procurement systems. Drive end-to-end user acceptance testing (UAT) and business acceptance testing (BAT) for new deployments, change requests, and enhancements across billing, CRM, and customer care systems. Orchestrate third-party integrations, overseeing CRM, MNP, real-time charging, and billing systems to optimize service delivery and meet compliance requirements. Execute comprehensive data migration initiatives, leveraging Huawei’s data sync tool to ensure data integrity and minimal downtime during system transitions. Develop and optimize PL-SQL queries for high-performing databases.

System Analyst

• Job Details:Managed postpaid billing data and data warehouse operations, providing support multiple sites across the Middle East, Africa, and Asia. Financial data migration during the project transition phase, along with account statement reconciliation with the legacy system. Spearheaded user acceptance testing (UAT) and business acceptance testing (BAT) for Huawei’s real-time charging system, ensuring solution readiness for clients in Pakistan and across the region. Delivered post-launch support for major clients, managing billing solution upgrades, data migration, and system performance optimization for GSM, prepaid, and postpaid services. Served as a key liaison for international clients (Saudi Arabia, Nigeria, Afghanistan, Bangladesh), coordinating e-application enhancements, troubleshooting, and on-site support. Directed the successful implementation of mobile number portability (MNP) for MTN Sudan, conducting remote support and customization to ensure service continuity. Developed and optimized e-application reports and I-reports, leading data-driven insights and reporting capabilities for Warid Pakistan and other client systems.

Analyst Programmer

• Job Details:Conducted technical support and troubleshooting for telecom advanced billing solutions (TABS) in live environments, enhancing CRM, ORM, billing, provisioning, and accounts receivable modules. Diagnosed and resolved high-priority issues escalated by first-line support, executing critical code changes and deploying fixes to ensure smooth operations for telecom clients. Supported billing system enhancements, implementing product catalog updates, credit control features, and MNP functionalities to align with evolving client requirements. Engaged in performance optimization, leveraging advanced diagnostics and code tuning to improve system efficiency and response times in high-traffic telecom environments. Provided end-to-end deployment and testing of upgrades, coordinating with internal teams to validate software stability and readiness for live deployment. Interfaced with clients to deliver on-site technical solutions and training, ensuring effective knowledge transfer and optimal system utilization for telecom operators.