Zorain Ahmed

Full Stack Software Developer with 3.5+ years of experience designing, developing, and modernizing enterprise-grade applications using ASP.NET Core, Angular, and Microsoft SQL Server. Experienced in delivering scalable business solutions across Finance, Payroll, Student Billing, Inventory Management, and Reporting systems. Strong expertise in application architecture, API development, SQL performance optimization, enterprise integrations, and legacy system modernization.

Proven ability to translate business requirements into reliable technical solutions, collaborate with cross-functional teams, mentor junior developers, and contribute to technical decision-making throughout the software development lifecycle.

Full Stack Software Developer - Century21 Systems

(2023-07)

• Designed, developed, and maintained enterprise applications across General Ledger, Payroll, Student Billing, Inventory Management, and Reporting modules, ensuring scalable, reliable, and maintainable software solutions using Angular, ASP.NET Core, and Microsoft SQL Server.
• Designed and implemented a robust integration between the enterprise Inventory Management system and Pakistan FBR Digital Invoicing APIs, incorporating secure token-based authentication, automated submission of ERP-generated sales invoices, status synchronization, response processing, and resilient error handling to ensure reliable and compliant communication with FBR services.
• Developed and maintained scalable RESTful APIs and backend services to support enterprise business processes.
• Optimized SQL stored procedures and database queries, reducing execution time by up to 70% and significantly improving application performance.
• Led the modernization of legacy applications by rebuilding key modules using Angular, improving maintainability, usability, and long-term scalability.
• Built reusable Angular components, dynamic forms, and interactive dashboards that accelerated development and improved user experience.

Associate Software Engineer - Century21 Systems

(2022-12 - 2023-06)

• Implemented background processing using .NET Worker Services for long-running and scheduled business operations.
• Engineered high-performance bulk data import utilities for multiple enterprise modules, significantly reducing manual processing effort.
• Designed a database schema comparison utility that detects mismatches and auto-generates synchronization scripts through independent research.
• Developed audit comparison utilities to simplify historical data tracking, troubleshooting, and compliance verification.
• Integrated RDLC and Telerik reports to deliver dynamic, user-friendly reporting and improved data visibility.
• Collaborated with business stakeholders to analyze requirements, design technical solutions, and deliver production-ready software aligned with business objectives.
• Participated in technical design discussions, contributed to architectural decisions, and provided technical guidance during feature implementation.
• Assisted junior developers through code reviews, knowledge sharing, and technical support while helping resolve complex development challenges.
• Worked closely with QA teams to ensure software quality through testing, issue resolution, and continuous improvement initiatives.
• Refactored legacy codebases to improve maintainability, readability, and long-term scalability without affecting business functionality.

Desktop Application Developer - D'CODEZ Nawabshah

(2019-09 - 2020-09)

• Developed and maintained Windows Forms applications using C#.
• Used ADO.NET to manage database connectivity and operations within desktop applications.
• Designed user interfaces using DevExpress controls.
• Developed DevExpress reports for business reporting requirements.

Bachelor of Science - Computer Science - Quaid-e-Awam University of Engineering Science & Technology, Nawabshah (2018-11 - 2022-11)