I will develop a professional mobile application

M
markstephen1990
M
markstephen1990
Mark Stephen F.
develop a professional mobile application
develop a professional mobile application
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develop a professional mobile applicationdevelop a professional mobile applicationdevelop a professional mobile applicationdevelop a professional mobile application

About this gig

Professional Android Development with Kotlin


Are you looking for a skilled Android developer 

who delivers clean, modern, and production-ready apps? 

You've found the right person!


I specialize in building Android applications using 

Kotlin with MVVM architecture the same standard 

used by top tech companies.


WHAT I CAN BUILD FOR YOU

  • Android apps from scratch
  • REST API integration
  • Google Maps & Location features
  • AI-powered features (chatbots, recommendations)
  • Local database (Room)
  • Beautiful dark/light UI
  • Push notifications
  • Home screen widgets


MY PORTFOLIO

️ Weather App

Real-time weather, GPS detection, 5-day forecast,

home screen widget, dark/light mode

github.com/markstephen1990/MyWeatherApp


AI Travel Guide App

AI-powered recommendations, Google Maps,

worldwide search, trip planner, AI chatbot

github.com/markstephen1990/TravelGuideApp


️ TECH STACK

  • Kotlin & Android Studio
  • MVVM Architecture
  • Room Database
  • Retrofit & REST APIs
  • Google Maps SDK
  • AI/LLM Integration (Groq, Gemini)
  • Navigation Component
  • LiveData & Coroutines


WHY CHOOSE ME? ️ Clean & well-documented code, Fast communication, Unlimited revisions, Source code included and Free bug fixes after delivery

  • App type

    • Native

  • Purpose

    • Music
    • Restaurant
    • Entertainment
    • Medical
    • Health & Fitness
    • Maps & navigation
    • News
    • Travel
    • Gaming
    • Other

  • Expertise

    • Performance
    • Design
    • Ads & monetization
    • Firebase
    • Analytics
    • Widgets
    • API integration

  • Programming language

    • JavaScript
    • Kotlin
    • PHP
    • Python
    • Ruby
    • Rust
    • Swift
    • TypeScript
    • HTML
    • React Native

  • Frameworks

    • Flutter
    • NativeScript
    • Laravel
    • Jetpack Compose
    • Angular
    • Android
    • React Native

  • Tools

    • Xamarin
    • Glide
    • Expo
    • AppSheet
    • Android Studio
    • Unity
    • Firebase

Get to know Mark Stephen F.

Mark Stephen F.

Software Enginner

  • FromPhilippines
  • Member sinceNov 2021
  • Avg. response time1 hour

  • Languages

    English
Senior Unity Developer with 8 years of experience developing multiplayer, mobile, and cross-platform games using Unity and C#. Experienced in gameplay systems, UI/UX, multiplayer integration, cloud-connected applications, and performance optimization across mobile, PC, console, and WebGL platforms. Backed by 12 years of overall software development experience, including Android app development using Kotlin, .NET, web, enterprise, and backend-integrated systems. Skilled in AI-assisted development using Anthropic Claude and GitHub Copilot for rapid prototyping and debugging.

My Portfolio

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