Salman

Top Rated Plus Flutter Developer

Upwork • Freiberufler

May 2018 - Present • 8 yrs 2 mos

I am a dedicated Flutter Developer with extensive experience in building high-quality mobile applications for both Android and iOS using a single codebase. I specialize in developing responsive UI, integrating REST APIs, implementing Firebase services, and building scalable app architectures. I have worked on multiple real-world applications including AI-based apps, service platforms, and business solutions. My focus is always on clean code, performance optimization, and delivering reliable applications that meet client requirements. I also have experience publishing apps on the Google Play Store and handling app updates, testing, and bug fixing.

Team Lead | Full stack App Developer

CodeEffect • Vollzeit

Jun 2022 - Mar 2025 • 2 yrs 9 mos

🧑🏻‍💻 Senior Flutter & iOS Developer with leadership experience in mobile app development, backend collaboration, and full project ownership. Skilled in managing legacy systems, launching new features, and delivering scalable business solutions under tight deadlines. 🚀 Led iOS & Flutter app development using Flutter, Dart, Xcode, Swift with focus on performance and stability 🔄 Managed legacy codebases, refactoring old systems and building new features using Git version control 🗂 Coordinated with product managers, UI/UX designers, and developers to ensure smooth project execution 🧠 Quickly adopted new technologies, frameworks, and tools based on changing business requirements ⚙ Optimized app speed, fixed critical bugs, improved UI responsiveness, and enhanced overall user experience 🎯 Delivered high-quality results under pressure while meeting strict timelines and milestones 🤝 Enforced clean coding standards, teamwork culture, and efficient development practices 🌐 Contributed to backend integrations, REST APIs, third-party SDKs, and scalable mobile architecture

App Developer Flutter, Android iOS | Xcode

CodeCue Solutions • Vollzeit

Sep 2019 - Apr 2022 • 2 yrs 7 mos

👨‍💻 Expert Flutter & iOS App Developer specializing in scalable mobile applications, clean architecture, and high-performance solutions for startups and businesses. Proven experience delivering modern, responsive, and bug-free apps with strong UI/UX standards. 📱 Developed cross-platform mobile apps using Flutter, Dart, Xcode, and Swift for iOS & Android 🧱 Implemented MVVM Clean Architecture for maintainable, reusable, and scalable codebases 🔄 Used Bloc State Management, Provider, and advanced app logic for smooth user experiences 🧪 Created 1000+ automated test cases, unit testing, widget testing, and QA workflows for maximum reliability 🌐 Integrated REST APIs, Firebase, payment gateways, push notifications, and secure backend systems ⚡ Optimized app speed, performance, memory usage, and responsiveness across devices 🚀 Published and maintained apps on Apple App Store and Google Play Store ⏱ Delivered projects on time with clear communication, agile workflow, and client satisfaction 💬 Worked closely with product managers, designers, and QA teams to build business-focused mobile solutions