Md Asif Hasan

A dedicated and innovative iOS Developer with over 10 years of experience in designing and building high-performance iOS applications using Swift and Objective-C. Skilled in the full app development lifecycle, from concept to deployment, with a focus on user-centric design and seamless functionality. Adept at collaborating with cross-functional teams to deliver intuitive, responsive, and visually appealing apps.

Experienced in working with international clients, ensuring solutions that meet diverse needs and standards. Passionate about staying updated with the latest iOS trends and continuously enhancing app performance and user experience.

Senior iOS developer at M2N Enterprise LLC (2025-01 – Present)

• Design scalable, maintainable architectures for rendering engines and export pipelines, supporting 2K/HDR video processing and real-time effects across photo and video workflows.
• Mentor iOS engineers through code reviews, technical guidance, and best practices in concurrency, performance optimization, and media processing, maintaining high code quality across projects.
• Optimize media rendering and export pipelines using AVAssetWriter, VideoToolbox, Core Image, and Metal, reducing export time by 60% and memory usage by 80% across supported devices.

Team Lead (iOS) at Rootnext Solutions (2023-03 – 2024-09)

• Led development of Greenlight, a US-based fintech application, using Swift, SwiftUI, Combine, and GraphQL, and designed scalable, maintainable app architecture to support ongoing feature growth.
• Led and mentored the iOS development team through code reviews, technical guidance, and best practices, ensuring project milestones were met and maintaining high code quality and documentation standards.
• Continued development of the internal UI test automation framework integrated with Bitrise, and collaborated with US, local, and overseas teams and QA to identify automation gaps, analyze test results, and produce reports supporting debugging and quality assurance.

Senior iOS Developer at Rootnext Solutions (2022-02 – 2023-02)

• Designed and implemented a scalable, modular UI test automation framework using XCTest, with mock data testing via the Wiremock client library.
• Integrated automated tests into CI/CD pipelines using Bitrise and Datadog, developed comprehensive E2E testing strategies, and optimized the framework for performance and maintainability.
• Mentored junior developers through code reviews, promoting best coding practices and supporting their technical growth.

Mobile Apps Developer (iOS and Android) at XOR Geek (2015-08 – 2022-02)

• Developed and maintained 30+ native iOS and Android applications for Japanese clients, designing user interfaces, writing efficient code, and optimizing performance across a range of devices and operating systems.
• Integrated APIs, frameworks, and third-party libraries to extend app functionality, collaborating with cross-functional teams to deliver high-quality, user-centric apps.
• Managed end-to-end app submission to the App Store and Google Play, ensuring smooth releases across client projects.

Android Apps Developer at 4axiz IT Ltd (2015-05 – 2015-08)

• Developed android apps for US-Based client.

Moblie Games Developer at BCF Tech Inc. (2013-02 – 2013-08)

• Developed cross platform moblie games using phonegap.

BSc in EEE – Ahsanullah University of Science and Technology