Shakil Mahmud

Software Engineer

bdCalling

Mar 2019 - Apr 2026 • 7 yrs 1 mo

Software Engineer — bdCalling 2019 – 2026 • Developed and maintained cross-platform mobile applications using Flutter for Android and iOS platforms. • Built scalable backend integrations with REST APIs, Firebase, and custom authentication systems. • Worked on AI-powered applications, chatbot systems, and automation-based solutions for business clients. • Designed clean, responsive, and user-friendly UI/UX for mobile and web applications. • Led multiple client projects from planning to deployment, ensuring performance, security, and maintainability. • Published and managed production-ready applications on both Google Play Store and Apple App Store. • Collaborated with designers, backend developers, and project managers to deliver high-quality software solutions. • Optimized app performance, reduced loading times, and improved overall user experience through efficient state management and clean architecture. Key Achievements • Successfully delivered multiple commercial mobile and web applications for international clients. • Specialized in AI-integrated applications, real-time systems, and Firebase-based solutions. • Gained 6+ years of professional experience in software engineering and cross-platform development. • Built reusable Flutter components and scalable project structures to speed up development workflow. • Recognized for problem-solving skills, fast delivery, and adaptability to new technologies and frameworks.