Hi, my name is Subhash Kumar
I’m a Mobile App Developer specializing in Android and Flutter.

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About me

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I'm an Android Developer with 5+ years of experience building high-performance, scalable mobile apps across Fintech and Telecom domains. I specialize in Kotlin, Jetpack Compose, Java, and Flutter, with a strong focus on secure UPI flows, offline-first experiences, and clean architecture. I'm a B.Tech graduate from IIIT Allahabad, passionate about building impactful Android experiences.

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Work Experience

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BharatPe

Software Engineer 2 | Dec 2024 – Present

Leading development for the consumer UPI app, focusing on secure UPI transaction flows, seamless user onboarding, and fraud prevention. Collaborate with product and backend teams to ship features at scale.

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Deutsche Telekom

Software Engineer 2 | Nov 2021 – Dec 2024

Worked across teams on telecom self-care apps like OneApp and T-Mobile US. Delivered features in billing, connected devices, and service management modules using Kotlin, Coroutines, and MVVM.

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Samsung R&D

Software Engineer | Jun 2019 – Nov 2021

Built and optimized features for the native Clock app (Alarm, Timer) pre-installed on Samsung phones. Followed rigorous QA cycles and contributed to Samsung’s internal development processes.

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