Masoud Karimi is a Senior Android Engineer with 6–9+ years of experience building high-scale, payment-grade mobile platforms and leading architecture modernizations. He’s shipped a Payment SDK and NFC contactless flows for a 5M+ user fintech platform, drove large migrations (Dagger→Hilt, XML→Compose, Java→Kotlin), and improved build and rendering performance significantly on both modern and low-spec devices. At Fedshi he led a company-wide move to Jetpack Compose and Kotlin Multiplatform, cut build times ~30%, and independently built an AI-powered fraud detection service that bridged mobile, backend, and applied AI. Known for tackling the “messy middle” when products outgrow their architecture, he pairs pragmatic engineering with mentorship to raise code quality and test coverage. Based in Armenia, Colombia, he’s open to Senior/Staff/Principal roles in fintech, e-commerce, or high-scale consumer apps.
6 years of coding experience
7 years of employment as a software developer
Bachelor of Computer Science, Computer Engineering, Bachelor of Computer Science, Computer Engineering at Jundi Shapur University of Technology
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Contributions:13 commits, 4 PRs, 9 pushes in 3 months
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