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Abdul Rahman Kole Ibrahim

@abdulrahmankoleibrahim

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Senior mobile engineer delivering secure, high-performance React Native apps with enterprise CI/CD excellence.

United States

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What I'm looking for

I’m looking for a Senior mobile role building secure, test-covered enterprise apps—especially React Native/TypeScript work—with strong CI/CD, performance focus, and opportunities to mentor teams in Agile environments.

I’m a Senior Mobile Engineer with 7+ years of professional software development experience and 4+ years focused on mobile development, specializing in React Native, TypeScript, and modern JavaScript. I’ve shipped 9 production applications to the App Store and Google Play across fintech, healthcare, and logistics, with deep expertise in mobile architecture, OAuth 2.0 authentication, secure token handling, offline storage, and performance optimization.

I deliver enterprise-grade apps with 85%+ test coverage by building strong SDLC foundations, integrating CI/CD automation (Fastlane, Bitrise, EAS), and enforcing engineering and security quality gates. I also mentor and review code in Agile/Scrum teams—leading secure, scalable implementations like HIPAA-aligned OAuth 2.0 flows and encrypted offline storage using AsyncStorage and MMKV.

Experience

Work history, roles, and key accomplishments

Current

Senior Mobile Engineer

Current

Dorascribe AI

Jul 2025 - Present (11 months)

Led end-to-end design and development of enterprise healthcare mobile apps (Dorascribe, ZoeMD) for iOS and Android using React Native and TypeScript. Architected OAuth 2.0 authentication with secure token handling and implemented CI/CD with Fastlane and EAS; achieved 99%+ transcription accuracy and reduced physician documentation time by 75%, while maintaining 85%+ test coverage.

React Native TypeScript OAuth 2.0 JWT Fastlane CI CD

Mobile Engineer (Freelance)

Freelance & Contract

May 2020 - Jan 2025 (4 years 8 months)

Delivered mobile fintech and logistics solutions using React Native/Expo, implementing OAuth 2.0 authentication, JWT secure token handling, and offline-capable data storage. Improved transaction volume by 50% and achieved 85%+ test coverage using Clean Architecture, GetIt, and automated testing.

React Native Expo TypeScript OAuth 2.0 JWT RESTful APIs