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Hello, I'm Sungah Kim, an App Developer with 3+ years of experience building mobile apps using Android (Kotlin) and Flutter. I specialize in creating modular UI components and reusable architecture for maintainable code, implementing secure data storage and privacy-focused features for wellness and health apps, and shipping features like chat rooms to boost user engagement.…

Sungah Kim

App Developer, Front-End Developer, UI Designer, +2

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Hello, I'm Sungah Kim, an App Developer with 3+ years of experience building mobile apps using Android (Kotlin) and Flutter. I specialize in creating modular UI components and reusable architecture for maintainable code, implementing secure data storage and privacy-focused features for wellness and health apps, and shipping features like chat rooms to boost user engagement.…

Available to hire

Hello, I’m Sungah Kim, an App Developer with 3+ years of experience building mobile apps using Android (Kotlin) and Flutter.

I specialize in creating modular UI components and reusable architecture for maintainable code, implementing secure data storage and privacy-focused features for wellness and health apps, and shipping features like chat rooms to boost user engagement.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Korean

Fluent

Work Experience

App Developer at AROM Information Technology Inc.

June 23, 2021 - September 30, 2024

Led an Agile Android team, building reusable MVVM components and modular UI in Kotlin, delivering features 25% ahead of schedule. Implemented in-app payments flows, streaming transactions and APIs to reduce failed payments by 30%. Optimized CI/CD pipelines by automating builds and deployments, cutting manual work by 70% and boosting code reliability. Built real-time push notifications, ensuring smooth, responsive experiences and achieving 96% user satisfaction.