Android Developer - available for impact

Native Android apps with production-grade polish.

I am Ruzain Abdurahman, a Kotlin and Java Android Developer from Kerala building scalable mobile systems for transit, NFC payments, real-time tracking, offline workflows, and Android TV.

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3+ years shipping Android products
40% revenue lift on bus ticketing
30% download growth on passenger app
MVVM + Jetpack
NFC + Maps
build pipeline

Transit OS

Tickets, riders, pilots, screens, analytics.

Android TV
Why recruiters should notice

I turn Android features into business outcomes.

My work sits where product, operations, and engineering meet: fast apps, reliable data, reusable components, and measurable product growth.

Revenue-moving ticketing

Implemented NFC payments and core features for OneDi Bus Ticketing, contributing to a 40% revenue increase.

Performance-minded delivery

Used profiling, debugging, and unit testing to improve stability across production Android apps.

Recognized performer

Awarded Promising Performer in 2023 for consistent delivery and contribution at Technovia Info Solutions.

Professional experience

Technovia Info Solutions

Android Developer - Ernakulam, Kerala - Jan 2023 to Present.

Production Android engineer for transport and operations products.

Kerala, India 2023 - Present Kotlin + Java

I build and maintain native Android apps with clean architecture, reusable components, API integration, Firebase services, NFC payments, Google Maps, offline data, and Android TV experiences.

  • Implemented MVVM architecture and Jetpack components to improve maintainability.
  • Built reusable UI and business logic components to reduce development time and bugs.
  • Integrated REST APIs, JSON workflows, Firebase, NFC payments, and Google Maps API.
  • Delivered in Agile/SCRUM environments with Git and GitHub collaboration.
Selected projects

Real apps, real users, real constraints.

These projects show the range employers care about: payment flows, offline reporting, mobility, analytics, and large-screen media.

OneDi Bus Ticketing App

+40% revenue

Native public transport ticketing app with NFC payments, feature delivery, and performance improvements.

KotlinNFCREST APIs

OneDi Passenger App

+30% downloads

Ride booking and real-time tracking for buses and autos, improved for usability and app performance.

MapsTrackingUX

Chandini Automobiles DSR

offline

Sales and daily collection reporting app for an oil distribution company with offline support and automated reports.

RoomSQLiteReports

OneDi Pilot App

analytics

Operator-facing app for transport teams to manage trips, passenger workflows, daily analytics, and trip reports.

AndroidDashboardsOps

OneDi Media

Android TV

Transit vehicle advertising platform optimized for large screens, playback reliability, and advertiser engagement.

TV UIPlaybackMedia

Reusable Android Core

quality

Shared UI and business logic components designed to make feature delivery faster and more reliable across apps.

MVVMJetpackTesting
Technical skill map

Comfortable across the Android stack.

Recruiters get the quick scan. Engineering teams get the details that matter.

Android

Native app development with modern architecture and production-quality UI.

Android SDKJetpackMVVM RoomSQLite

Languages

Strong native Android foundation with cross-platform curiosity.

KotlinJavaPython Dart

APIs and services

Reliable data flows for live, offline, mapped, and payment-driven products.

REST APIsJSONFirebase NFCGoogle Maps

Tools and quality

Practical workflow habits for teams shipping in Agile environments.

GitGitHubAndroid Studio PostmanUnit Testing

Data

Backend-aware mobile development for reporting, persistence, and integration.

MySQLOffline-firstReports

Communication

Full professional English with Malayalam, Hindi, and limited working Arabic.

EnglishMalayalamHindi Arabic
Credentials

Certified, educated, and still leveling up.

B.Sc. Computer Science graduate with certifications that extend native Android into Flutter and backend fundamentals.

Flutter and Dart - Mobile App Development

IBM certification covering Flutter, Dart, cross-platform mobile development, UI, state management, and deployment.

B.Sc. Computer Science

Kannur University, Kerala.

Python Full Stack Web Development

RISS Technologies certification in web development fundamentals.

Open to opportunities

Need an Android developer who ships with care?

I am ready for Android roles where clean code, product ownership, and reliable delivery matter. Send the role, product context, or challenge you want solved.

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LinkedIn GitHub Resume PDF