Available to hire
I’m Mustafa Yildiz, a mobile-focused developer delivering native iOS and Android applications in fintech, IoT, and logistics. I collaborate with cross-functional teams to define requirements, refine backlogs, and translate product vision into scalable technical solutions.\n\nI have a strong track record coordinating releases, monitoring performance, and using data insights to drive continuous improvement.
Skills
Work Experience
Software Developer at Rapidcents
June 1, 2025 - PresentDelivered SDK features on Android POS terminals, implemented P2PE encryption and certificate management with 3DES/AES for secure payment data processing and PCI compliance. Led hardware API integration for card readers, PIN pads, and NFC modules, establishing reliable communication with firmware teams. Participated in backlog refinement and sprint planning by clarifying requirements and acceptance criteria.
Software Developer at Smart Nora
December 1, 2024 - May 31, 2025Contributed to the development of a BLE-powered iOS app in Swift, improving Bluetooth protocol stability for real-time snoring detection and device control. Built modular UI and data pipelines using SwiftUI, Combine, and MVVM to enable scalable, testable architecture. Designed custom communication protocols for BLE devices and implemented AWS service communication (IoT, S3, Lambda) with structured async code and decoupled service layers.
Software Developer at Aukfa Inc.
March 1, 2022 - September 30, 2024Developed iOS and Android applications, integrated with GraphQL and RPC APIs and socket-based Web3 systems for secure, real-time data exchange in decentralized apps. Released and maintained modern SwiftUI-based iOS apps, achieving a 20% increase in user engagement across crypto tools (e.g. Pay.cool+, Biswap). Built automated test pipelines using Fastlane, GitHub Actions, Appium, and Selenium, ensuring high-quality delivery. Advocated for continuous delivery and contributed to cross-platform mobile testing strategies for iOS, Flutter, and web.
Software Developer at Gelal Tech
January 1, 2020 - March 31, 2022Developed Flutter-based retail banking and logistics mobile apps serving 50,000+ daily users, achieving 30% performance improvement through native iOS Swift and Android Kotlin integrations. Built a courier management system with route optimization, load optimization, and end-to-end package tracking from distribution centers to customer delivery. Designed UI/UX from scratch and integrated GPS/Google Maps API for improved usability. Established automated Appium-based UI testing framework for Flutter apps, reducing bug reports by 15% and supporting end-to-end courier workflows.
Education
Bachelor of Computer Sciences and Engineering at International University of Sarajevo
January 1, 2010 - January 1, 2015Qualifications
Industry Experience
Software & Internet, Financial Services, Transportation & Logistics
Skills
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