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Hi, I'm Saf Ahmed, a Senior Mobile Engineer specializing in building robust cross-platform apps with React Native and native modules. I architect scalable systems like a 3-layer server-driven UI, implement performance optimizations, and drive secure, end-to-end mobile releases. I’ve shipped features to millions of users with high reliability and quick iteration cycles through CodePush and CI/CD pipelines. I'm passionate about turning complex product requirements into delightful user experiences. I enjoy collaborating across squads, delivering secure authentication, and exploring new mobile architectures while mentoring teammates and driving best practices in React Native, iOS, and Android development.…Hi, I'm Saf Ahmed, a Senior Mobile Engineer specializing in building robust cross-platform apps with React Native and native modules. I architect scalable systems like a 3-layer server-driven UI, implement performance optimizations, and drive secure, end-to-end mobile releases. I’ve shipped features to millions of users with high reliability and quick iteration cycles through CodePush and CI/CD pipelines. I'm passionate about turning complex product requirements into delightful user experiences. I enjoy collaborating across squads, delivering secure authentication, and exploring new mobile architectures while mentoring teammates and driving best practices in React Native, iOS, and Android development.

Saf Ahmed

App Developer, Web Developer, Front-End Developer, +2

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Hi, I'm Saf Ahmed, a Senior Mobile Engineer specializing in building robust cross-platform apps with React Native and native modules. I architect scalable systems like a 3-layer server-driven UI, implement performance optimizations, and drive secure, end-to-end mobile releases. I’ve shipped features to millions of users with high reliability and quick iteration cycles through CodePush and CI/CD pipelines. I'm passionate about turning complex product requirements into delightful user experiences. I enjoy collaborating across squads, delivering secure authentication, and exploring new mobile architectures while mentoring teammates and driving best practices in React Native, iOS, and Android development.…Hi, I'm Saf Ahmed, a Senior Mobile Engineer specializing in building robust cross-platform apps with React Native and native modules. I architect scalable systems like a 3-layer server-driven UI, implement performance optimizations, and drive secure, end-to-end mobile releases. I’ve shipped features to millions of users with high reliability and quick iteration cycles through CodePush and CI/CD pipelines. I'm passionate about turning complex product requirements into delightful user experiences. I enjoy collaborating across squads, delivering secure authentication, and exploring new mobile architectures while mentoring teammates and driving best practices in React Native, iOS, and Android development.

Available to hire

Hi, I’m Saf Ahmed, a Senior Mobile Engineer specializing in building robust cross-platform apps with React Native and native modules. I architect scalable systems like a 3-layer server-driven UI, implement performance optimizations, and drive secure, end-to-end mobile releases. I’ve shipped features to millions of users with high reliability and quick iteration cycles through CodePush and CI/CD pipelines.

I’m passionate about turning complex product requirements into delightful user experiences. I enjoy collaborating across squads, delivering secure authentication, and exploring new mobile architectures while mentoring teammates and driving best practices in React Native, iOS, and Android development.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Javanese

Advanced

Work Experience

Senior Mobile Engineer at Care1

January 1, 2024 - Present

Architected a React Native Server-Driven UI (SDUI) system with a 3-layer pattern (Atomic Components, JSON Mapper, Template Engine) enabling dynamic layouts via JSON across iOS and Android. Implemented intelligent prefetching to eliminate loading states, while CodePush updates enabled instant feature delivery to millions of users and achieved a 99.9% crash-free rate. Engineered Native Modules for Spotlight Search & Siri Integration, boosting re-engagement and reducing time-to-cart for repeat purchases.

Mobile Engineer at Care1

December 1, 2021 - January 1, 2024

Built and distributed an internal React Native Authentication Library (secure token refresh/storage via Keychain/Keystore) and a Feature Flagging Framework adopted by 4+ squads. Established Fastlane CI/CD pipelines governing the app release cycle on both App Store and Play Store, enabling standardized security protocols and faster onboarding for new features.

Senior Software Engineer at SmartAdvocate

September 1, 2019 - November 1, 2021

Implemented a Role-Based Access Control (RBAC) system with 5+ roles using React Context and Higher-Order Components to ensure data security. Maintained feature parity across iOS, Android and Web via a React Native Web monorepo, delivering seamless session scheduling and certification tracking with enterprise-level security audits.

Software Engineer at myTickets

July 1, 2016 - August 1, 2019

Led the migration from Objective-C to Swift and prepared architecture for cross-platform integration by refactoring the local storage layer to a concurrent multi-threaded model. Reduced crash rate from 3% to <0.1% and delivered offline-first capabilities for critical functions (POS payments, chat), effectively halting churn of key enterprise clients.