Available to hire
I’m Hamid (Hamlet) Marzbani, a Senior Mobile Engineer specializing in cross‑platform development with Flutter and Dart for iOS and Android. Since 2018 I’ve built production-grade mobile platforms, shipping real-time experiences, offline-first capabilities, and secure payments while keeping performance and reliability at the forefront.
Based in Istanbul, I’m open to remote work and relocation. I enjoy mentoring teams, guiding architecture decisions, and improving CI/CD, code quality, and cross-team collaboration to deliver robust software.
Experience Level
Expert
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Intermediate
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Language
English
Advanced
Persian
Fluent
German
Beginner
Work Experience
Senior Mobile Engineer (Flutter/Android) at Bet Technology
January 1, 2024 - PresentOwned the mobile platform for a real-time sportsbook application supporting Android and iOS clients with 50K+ monthly active users and a 4.5 rating. Led feature delivery and architecture reviews across Android, iOS and Web, mentoring engineers. Implemented wallet and live betting workflows via SignalR and integrated secure payments (Adyen, Apple Pay, Google Pay) with biometric authentication. Improved performance by reducing unnecessary UI rebuilds, increased test coverage by 60%, and enhanced CI/CD pipeline reliability by 20% using Azure DevOps. Leveraged Firebase services for monitoring and feature flags, while ensuring government compliance affecting 50k+ users.
Senior Mobile Engineer (Flutter) at HybridTeams Ltd
June 1, 2022 - December 1, 2023Led a Red Dot-winning project and mentored a team of 6 senior mobile engineers, designing scalable, modular architecture across enterprise and consumer apps. Drove an offline-first module using Firebase and local persistence, reducing backend dependency by 50% and improving uptime to 99.9%. Implemented BLE integrations, hardware communication layers, and biometric authentication for secure device interactions. Established engineering standards through code reviews and onboarding, cutting post-release defects by 30%. Collaborated with backend, QA, and product teams to deliver bi-monthly production releases and built GitHub Actions CI/CD pipelines.
Lead Mobile Engineer (Flutter/Android) at Software Genesis Group
June 1, 2021 - May 1, 2022Directed a team of 6 engineers and established a modular architecture for large-scale Android and iOS applications, boosting feature delivery speed and maintainability. Designed modular UI systems and reusable components, tripling development speed and cutting code duplication. Led migration of legacy Android codebase to Clean and Modular Architecture, reducing technical debt by 80% and improving long-term maintainability. Implemented 200+ code reviews, architectural governance, and automated end-to-end tests across multiple apps. Integrated Socket and GraphQL APIs using reactive streams to improve data synchronization and UI responsiveness, mitigating backend I/O delays by 15% and maintaining 60 FPS UI performance. Led end-to-end automated testing suite with 75 tests, minimizing post-deployment defects.
Mobile Developer (Flutter/Android) at Technocell
December 1, 2016 - June 1, 2021Delivered multiple mobile applications across enterprise and consumer domains, reaching thousands of active users. Built scalable architectures and reusable component libraries, reducing delivery time by 25%. Implemented complex UI, networking, and local data persistence for high-usage apps. Optimized performance and memory usage across diverse Android devices, improving user satisfaction with smoother failure handling. Collaborated with designers and backend engineers to deliver 15+ production-ready features across UI, networking, and data layers.
Education
Bachelor of Software Engineering (Part-time) at IAU University
January 11, 2030 - March 15, 2026Associate Degree in Computer Software Engineering at Technical University
January 11, 2030 - March 15, 2026Qualifications
Industry Experience
Software & Internet, Gaming, Financial Services, Media & Entertainment
Experience Level
Expert
Expert
Expert
Expert
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Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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