Hi, I'm Max Keppeler

Senior Android Developer & Full-Stack Developer specializing in Kotlin, Android SDK, and React. Expert in creating beautiful, functional, and user-friendly applications with over 10 years of experience.

1.3M+
App Downloads
Across all published apps
4.5+
Average Rating
From thousands of reviews
10+
Years Experience
Building in Public as Indie Dev
1.5K+
GitHub Stars
Open Source Contributions
25+
Projects
Apps, Websites & More
Iterations
Continuous Improvement

* Includes all projects created over time, including those not featured on the website and those that were deprecated and unpublished

Work

Crafting innovative digital experiences through apps, libraries, and platforms that make a difference.

Awake App Icon

Awake - Intelligent Alarms

Android App
1K+

A comprehensive sleep and wake-up solution featuring intelligent alarms, wake-up challenges, sleep tracking, and extensive timer functionality to improve your daily sleep quality.

Ongoing
Mangata App Icon

Mangata

Android App

Your personal sanctuary for capturing, rediscovering, and cherishing every significant experience in your life journey.

Ongoing
Max Keppeler Logo

Personal Website

Website

A modern, responsive portfolio website showcasing my work as a developer, built with React, TypeScript, and TailwindCSS. Features dark mode, smooth animations, and a seamless user experience.

Ongoing
ERGOTHERAPIE UND ZEIT(T)RÄUME Logo

ERGOTHERAPIE UND ZEIT(T)RÄUME

Website

A modern, professional website for an Ergotherapy practice in Rottweil, Germany, offering a unique blend of therapeutic services and specialized time-focused treatments.

Ongoing
Elcovia Logo

Elcovia - Notion Templates Marketplace

WebsiteAndroid App

A modern marketplace for discovering, sharing, and monetizing Notion templates, featuring both a web platform and Android app for seamless template exploration and management.

Ongoing
WearSocials App Icon

WearSocials - Code Wallet

Android App
4.8/5
100K+
55K+

Your ultimate code wallet for smartphones and Wear OS devices. Manage, generate, and share all your codes seamlessly.

Ongoing
Sheets Compose Library Icon

Sheets Compose

Library
865+ on Github

A collection of beautiful dialogs, views and sheets for Android apps built with Jetpack Compose.

Ongoing
Sign for Spotify App Icon

Sign for Spotify

Android App
4.2/5
100K+

A powerful Android app that lets you organize and access your favorite Spotify content through customizable widgets and notifications. Compatible with Android 10 and above.

Deprecated
Sheets Library Icon

Sheets

Library
930+ on Github

A comprehensive collection of beautiful dialogs and bottom sheets for Android apps, offering extensive customization options while maintaining Material Design principles.

Deprecated
Glim Icon Pack Logo

Glim - Flat Icon Pack

Android App
4.2/5
500K+

A vibrant Material Design icon pack with soft long shadows and incredible attention to detail, offering numerous high-quality alternatives for popular apps.

Deprecated
Glim Dark Icon Pack Logo

Glim Dark - Flat Icon Pack

Android App
4.7/5
300K+

The dark variant of the popular Glim icon pack, featuring the same attention to detail and vibrant colors but with a darker aesthetic for AMOLED displays.

Deprecated

Skills & Expertise

A comprehensive overview of my technical expertise and professional experience across various domains

Programming Languages

Kotlin

Expert

Java

Expert

TypeScript

Proficient

JavaScript

Proficient

HTML

Expert

CSS

Expert

Android Development

Material Design 3

Expert

Material Design 2

Expert

MVI

Expert

MVVM

Expert

MVP

Expert

Clean Architecture

Expert

Android SDK

Expert

Jetpack Compose

Expert

Jetpack Libraries

Expert

Wear OS

Expert

Coroutines

Expert

Hilt

Expert

Dagger2

Expert

Google Play Services

Expert

Volley

Expert

ML Kit

Proficient

Coil

Expert

Glide

Expert

Picasso

Expert

XZing

Expert

Web Development

React

Expert

TailwindCSS

Expert

Next.js

Intermediate

Redux

Intermediate

Cloud & Backend

Firebase Stack

Expert

Google Cloud Platform

Proficient

REST APIs

Expert

Development Tools

Android Studio

Expert

IntelliJ IDEA

Expert

Visual Studio Code

Expert

Git

Expert

Gradle

Expert

Maven

Proficient

APIs

Maps API

Expert

RevenueCat API

Expert

Stripe API

Expert

PayPal API

Expert

Spotify API

Expert

Fitbit API

Expert

ChatGPT API

Expert

Project Management

Jira

Proficient

Linear

Expert

GitHub

Expert

Notion

Expert

Design & Media Production

Figma

Proficient

Sketch

Intermediate

Adobe Illustrator

Proficient

Adobe Lightroom

Proficient

Adobe Photoshop

Adobe Premiere Pro

Adobe After Effects

Get in Touch

Interested in working together? Let's connect and discuss your project needs!

What I'm up to

Android Apps

Building beautiful and functional Android applications

Websites / Web-Apps

Crafting modern web experiences and applications

Open for Opportunities

Available for consulting and collaboration