Modassir Habib

Senior Full-Stack Developer & Network Security Engineer

Markopolo • Freelance

Jun 2024 - Present • 2 yrs 2 mos

Designed and developed the core technical architecture for Mark VPN, a high-performance, secure virtual private network application focused on user privacy and data encryption. Core Architectures: Implemented industry-standard secure tunneling protocols including OpenVPN and WireGuard to ensure stable, low-latency, and encrypted connections. Backend & Authentication: Managed the backend infrastructure using Firebase for secure user authentication, subscription status tracking, and dynamic server routing configurations. Cross-Platform Client App: Developed the intuitive mobile application client with a pixel-perfect, responsive UI/UX interface featuring real-time ping tests, automatic optimal server selection, and a one-tap secure connection toggle. Security Compliance: Ensured high-level data safety compliance, strict no-logs policy architecture, and robust encryption standards across all active application endpoints.

Senior Mobile App Developer

focus • Fulltime

Jun 2021 - Present • 5 yrs 2 mos

I am a professional Mobile App Developer with 7 plus years of experience in building Android and iOS applications. I have developed custom apps for startups, small businesses, and individual clients. My focus is on creating fast, user friendly, and secure mobile applications. I have experience in Flutter, React Native, Java, and Firebase. I have worked on e commerce apps, food delivery apps, booking systems, and business apps. I manage complete app development from idea to launch, including UI design, API integration, testing, and deployment on Play Store. I always ensure clean code, smooth performance, and on time delivery with proper communication.