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Senior Flutter Developer with 5+ years of international remote experience building scalable, production-ready mobile applications for clients across Saudi Arabia, the UK, and the USA. I specialize in clean architecture, Firebase integration, and secure payment workflows, with a consistent track record of performance and reliability improvements. I also use AI-assisted development workflows (e.g., Copilot/Cursor/Claude Code and prompt engineering) to accelerate delivery while maintaining code quality through testing, debugging discipline, and maintainable architecture.…Senior Flutter Developer with 5+ years of international remote experience building scalable, production-ready mobile applications for clients across Saudi Arabia, the UK, and the USA. I specialize in clean architecture, Firebase integration, and secure payment workflows, with a consistent track record of performance and reliability improvements. I also use AI-assisted development workflows (e.g., Copilot/Cursor/Claude Code and prompt engineering) to accelerate delivery while maintaining code quality through testing, debugging discipline, and maintainable architecture.

Zulqarnain Haider

App Developer, Software Engineer, Programmer, +1

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Senior Flutter Developer with 5+ years of international remote experience building scalable, production-ready mobile applications for clients across Saudi Arabia, the UK, and the USA. I specialize in clean architecture, Firebase integration, and secure payment workflows, with a consistent track record of performance and reliability improvements. I also use AI-assisted development workflows (e.g., Copilot/Cursor/Claude Code and prompt engineering) to accelerate delivery while maintaining code quality through testing, debugging discipline, and maintainable architecture.…Senior Flutter Developer with 5+ years of international remote experience building scalable, production-ready mobile applications for clients across Saudi Arabia, the UK, and the USA. I specialize in clean architecture, Firebase integration, and secure payment workflows, with a consistent track record of performance and reliability improvements. I also use AI-assisted development workflows (e.g., Copilot/Cursor/Claude Code and prompt engineering) to accelerate delivery while maintaining code quality through testing, debugging discipline, and maintainable architecture.

Available to hire

Senior Flutter Developer with 5+ years of international remote experience building scalable, production-ready mobile applications for clients across Saudi Arabia, the UK, and the USA. I specialize in clean architecture, Firebase integration, and secure payment workflows, with a consistent track record of performance and reliability improvements.

I also use AI-assisted development workflows (e.g., Copilot/Cursor/Claude Code and prompt engineering) to accelerate delivery while maintaining code quality through testing, debugging discipline, and maintainable architecture.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Urdu

Fluent

Panjabi, Punjabi

Advanced

Work Experience

Senior Flutter Developer (Remote Contract) at NAESM

January 1, 2025 - Present

Led mobile app development of the NPower365 community support platform, delivered as a production Flutter application with Firebase integrations. Worked on features such as booking, listings, and community networking with maintainable state management (GetX), and integrated Firebase services including Authentication, Cloud Messaging, and Crashlytics. Focused on improving performance and stability for a seamless production user experience, and handled REST API integration where applicable. Supported production releases and ongoing maintenance through Git-based workflows and release/deployment practices for App Store and Play Store.

Senior Flutter Developer at NAESM

January 1, 2025 - Present

Led development of the NPower365 Flutter app (Android & iOS) that is live on the App Store and Play Store. Implemented and maintained a scalable Flutter codebase using GetX for state management and integrated Firebase services such as Authentication, Cloud Messaging, and Crashlytics. Worked on production readiness tasks including performance optimizations and stability improvements to deliver a reliable user experience. Also handled REST API integration and followed Git-based development workflows for maintainable releases.

Senior Software Engineer & Team Lead at Paradox

December 1, 2021 - Present

Led mobile app development for the urMenuz food ordering application. Improved app performance by 35% and reduced API-related issues by 30% through optimized state management and structured debugging/testing practices. Integrated dine-in and pickup ordering flows using Firebase and REST APIs to ensure a smooth customer experience. Implemented secure payment gateway workflows and coordinated engineering efforts as a team lead while maintaining a Git-based delivery process.

Flutter Trainer (Part-time) at Coding Spark

September 1, 2021 - February 1, 2022

Trained developers in Flutter best practices and advanced techniques while supporting ongoing client work. Focused on scalable architecture patterns (clean architecture) and effective state management to improve team development skills and project outcomes.

Senior Software Engineer at Upsol Technologies

December 1, 2020 - November 1, 2021

Delivered end-to-end Flutter app development from conception to deployment. Ensured solutions were scalable and performance-optimized to support client satisfaction. Worked with Firebase and REST APIs, leveraging GetX and Git workflows for consistent development and release management.

Junior Software Engineer (Internship) at Developers Lounge, LLC

March 1, 2020 - August 1, 2020

Contributed to remote software development initiatives in a cross-functional environment. Gained hands-on experience with real development workflows and collaboration practices while supporting ongoing project tasks.