John Le | Android Developer

Featured Projects

Cook Compass

Cook Compass is a clean, modern Android recipe app that helps users discover, save, and manage their favorite recipes in one place. The app focuses on a simple, intuitive UI and a delightful cooking experience.

Kotlin Jetpack Compose

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Flashcard Me

Flashcard Me is a flash-card study tool designed to help users create, review and track flash cards across multiple subjects. It’s lightweight, flexible and built to make studying efficient and interactive.

Kotlin Jetpack Compose Room

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TaskList

TaskList is a simple and intuitive Android task management app designed to help users quickly add, view, and remove daily tasks. The focus is on speed, clarity, and a distraction-free user experience.

Kotlin Jetpack Compose Room

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Resume

Professional Summary

Experienced Android Developer with 5+ years of expertise in building scalable, user‑centric applications. Proficient in Kotlin and Java, with strong knowledge of Android frameworks, MVVM architecture, and modern development best practices. Experienced in delivering secure, high‑quality mobile applications in fast‑paced, agile environments.

Work Experience

Android Developer — Nymbus (Remote)

September 2022 – March 2025

Designed and developed advanced Android features using Kotlin, OOP, and MVVM architecture.
Integrated credit card management, SSO WebView flows, and Push‑to‑Wallet functionality.
Enhanced dashboards, card carousels, and modernized UI to improve user experience.
Implemented debit card Reg E compliance and optimized mobile deposit features.
Conducted TDD using Espresso and built modular, testable components.
Collaborated in Agile sprint cycles, retrospectives, and cross‑functional teams.

Mobile Application Developer — First Republic Bank (Cignex)

May 2020 – August 2022

Refactored a 10+ year legacy Android codebase using Kotlin and Jetpack Compose.
Designed secure device management and authentication frameworks using PingOne SDK.
Worked with Dagger/Hilt, MVVM, and modern Android architecture patterns.
Integrated RESTful APIs and processed JSON for core banking functionality.
Monitored performance using New Relic and Quantum Metrics.
Participated in on‑call rotations to triage and resolve critical production issues.

Skills

Languages: Kotlin, Java, C++, Python
Android: Jetpack Compose, Android SDK, Material Design, Room, SharedPreferences
Architecture: MVVM, MVP, OOP, Design Patterns
Libraries: Retrofit, Gson, Dagger/Hilt, RxJava, Picasso
Testing: JUnit, Espresso, Mockito, TDD
Tools: Android Studio, Git, GitHub, GitLab, Jira

Education

BSc in Computer Science
Georgia State University — 2018

Certifications

Android Nanodegree

Udacity — Dec 2018 – Apr 2019. Comprehensive program covering Android fundamentals, MVVM, testing, and app architecture.

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Intro to iOS Development

Coursera — Meta — Foundations of mobile development on iOS, UI design principles, and basic Swift programming concepts.

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Jetpack Compose UI

Coursera — Meta — Building modern Android user interfaces using Jetpack Compose, state management, and composable architecture.

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