Rehmat Ullah

Flutter Developer

Innovativity • Full time

Jun 2025 - Present • 11 mos

Served as a Flutter Developer at Innovativity, where I contributed to building robust, scalable mobile and web applications for international clients spanning fintech, retail, social networking, logistics, and SaaS industries. During this role, I enhanced my expertise in developing enterprise-level solutions with advanced features, complex integrations, and high-security standards to meet stringent client requirements. My key contributions included designing and implementing custom widgets, creating reusable component libraries, and optimizing application performance for seamless experiences even with large datasets and heavy user traffic. I specialized in integrating payment gateways, geolocation services, real-time chat functionality, video streaming, and social media APIs to deliver comprehensive solutions that enhanced user engagement and business value. Worked extensively on app architecture refactoring, migrating legacy codebases to modern Flutter implementations, implementing CI/CD pipelines for automated testing and deployment, and ensuring apps met platform-specific guidelines for App Store and Google Play submissions. I prioritized security best practices including data encryption, secure API communications, and user privacy protection. Led development sprints, conducted technical requirement analysis, provided accurate project estimations, and maintained transparent communication with stakeholders throughout the development lifecycle. Proactively identified and resolved performance bottlenecks, memory leaks, and UI/UX issues to ensure optimal app quality. Successfully launched multiple applications that achieved high user ratings and positive client feedback, demonstrating my commitment to excellence and continuous improvement in mobile development.

Flutter Developer

Code Crush • Full time

May 2024 - Jun 2025 • 1 yr 1 mo

Worked as a Flutter Developer at a dynamic software development company, where I specialized in delivering cutting-edge cross-platform mobile and web applications for a diverse portfolio of clients across various industries including e-commerce, healthcare, finance, education, and entertainment. Throughout my tenure, I developed and maintained high-performance applications for iOS, Android, and Web platforms, ensuring consistent user experiences across all devices. My responsibilities included architecting scalable applications from the ground up, implementing complex business logic, and integrating modern state management solutions to ensure maintainable and efficient codebases. I extensively worked with Firebase ecosystem to create feature-rich, interactive applications that met diverse client requirements. Collaborated closely with cross-functional teams including UI/UX designers, backend developers, product managers, and QA engineers to translate design mockups and business requirements into responsive, pixel-perfect interfaces with seamless user experiences. I focused on creating intuitive navigation flows, smooth animations, and optimized performance to ensure apps loaded quickly and ran smoothly on all devices. I consistently delivered multiple projects on time and within budget while maintaining clean code architecture, comprehensive documentation, and following industry best practices. Participated in code reviews, mentored junior developers, and continuously stayed updated with the latest Flutter updates and mobile development trends to implement cutting-edge solutions that exceeded client expectations and drove business growth.