Rasel

Sr. App Developer

Fiverr • Freelance

Jul 2025 - Present • 1 yr 3 mos

Expertise and Responsibilities: - Specialized in Flutter, React Native, Android, and iOS app development. - Successfully integrated REST APIs, payment gateways, push notifications, maps, and real-time features. - Built scalable and high-performance applications with a strong focus on UI/UX and user engagement. - Maintained a proven track record of on-time delivery and client satisfaction across multiple international projects. - Helped businesses launch MVPs and production-ready mobile apps that support growth and long-term scalability. - Experienced in converting Figma, Adobe XD, and UI designs into fully functional mobile applications.

Sr. App Developer

bdCalling • Temps plein

Jan 2021 - Jun 2025 • 4 yrs 5 mos

Core Responsibilities : - Lead the end-to-end mobile app development lifecycle, from planning and architecture to deployment. - Develop clean, maintainable, and scalable code following industry best practices. - Create intuitive and engaging mobile experiences that align with business objectives. - Analyze project requirements and recommend the most effective technical solutions. - Integrate cloud services, APIs, databases, and third-party platforms to extend app functionality. - Optimize application speed, stability, and security across multiple devices and operating systems. - Collaborate closely with designers, product owners, and stakeholders throughout development. - Conduct testing, troubleshooting, and continuous improvements to ensure product quality. - Manage app releases, updates, and compliance requirements for app stores. - Stay current with emerging mobile technologies and apply innovative solutions to projects.