Sony Johnson
Tech in Electronics and Communication Engineering. I specialize in Android (Java/Kotlin) and Flutter development, building intuitive, scalable mobile apps with clean UI/UX and strong API integration.
About
Hi, I’m Sony Johnson, a Mobile Application Developer with 5+ years of experience and a B.Tech in Electronics and Communication Engineering. I specialize in Android (Java/Kotlin) and Flutter development, building intuitive, scalable mobile apps with clean UI/UX and strong API integration.
I’ve led end-to-end app development, from gathering requirements and architecture to publishing apps on Google Play. I thrive in agile teams, collaborating with UI/UX designers and backend engineers to deliver high-quality software on time.
- 7 years' experience
- Joined July 2025
Industry experience
- Software & Internet
- Retail
- Education
- Professional Services
- Media & Entertainment
- Real Estate & Construction
- Financial Services
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Work experience· 12 roles
Collaborated with UI/UX designers and backend developers to create seamless user experiences. Built e-commerce features: product catalogue, shopping cart, order history, and checkout flow. Implemented wishlist, coupon code, and referral systems to support marketing and user engagement. Implemented RESTful APIs, real-time databases (Firebase, SQLite, etc.), and third-party SDKs. Optimized app performance and published the application on Google Play Store.
Developed COPO DEALS, an e-commerce raffle draw application featuring rich UI and animations. Collaborated with UI/UX designers and backend developers to create seamless user experiences. Built e-commerce features such as product catalog, shopping cart, order history, and checkout flow. Implemented wishlist, coupon codes, referral systems, RESTful APIs, real-time databases, and third-party SDKs. Optimized app performance, integrated push notifications, in-app purchases, and payment gateway. Published and maintained the app on Google Play Store.
Collaborated with UI/UX designers and backend developers to create seamless user experiences for the e-commerce raffle draw app COPO DEALS. Developed features including product catalogue, shopping cart, order history, checkout flow, wishlist, coupon code, and referral systems. Implemented RESTful APIs, real-time databases such as Firebase and SQLite, third-party SDKs, push notifications, in-app purchases, and payment gateways. Optimized app performance and maintained the app on Google Play Store.
Education
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