Hammad Sarwar

Full Stack Developer and VoIP Engineer with 3+ years of experience building scalable web, mobile, and communication systems. Specialized in Flutter, Python, C#, .NET, REST API development, and VoIP technologies including SIP and WebRTC. Experienced in designing cloud-based systems using AWS and building modern applications with strong performance, security, and scalability.

Proven ability to deliver production-ready systems including mobile apps, backend platforms, CRM systems, and real-time communication tools.

Full Stack Developer & VoIP Engineer at Weam Elnaggar Real Estate (2024-06 – Present)

• Develop cross-platform mobile applications using Flutter for Android and iOS.
• Integrate REST APIs and implement state management using Provider and Bloc.
• Develop backend services in Python to support mobile application modules.
• Implement Firebase authentication and cloud-based services.
• Improve application performance and fix UI/UX issues to enhance user experience.

Flutter Developer / Backend Developer at Hikal Real Estate (2023-06 – 2024-05)

• Develop backend services and internal dashboards using Python and web technologies.
• Implement SIP-based communication systems and WebRTC integrations.
• Configure and maintain VoIP gateways and PBX systems.
• Build tools for call monitoring, analytics, and communication workflow automation.
• Improve VoIP system reliability through gateway optimization and testing.

Full Stack Developer at Technosys Group (2022-03 – 2023-05)

• Develop applications using Python and .NET (C#).
• Design scalable RESTful APIs for internal and external integrations.
• Manage MySQL and MongoDB databases.
• Implement frontend improvements using JavaScript.
• Optimize backend logic and database queries to improve performance.

Bachelor of Information Technology in Information Technology – Shaheed Benazir Bhutto University (2021 – 2024)

Intermediate – Govt. Degree Boys College (2018 – 2020)

Matriculation – Quaid-e-Azam Rangers Public School (2007 – 2017)