Native Android apps
Smooth, fast Android applications built with Jetpack Compose and modern architecture, tested across the real device landscape.
Kotlin Development
Kotlin Development for Android and Beyond
Stop fighting your own codebase. Kotlin gives Android apps and backend services a clean, modern foundation, and we build with it so your product stays easy to extend long after launch.
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Kotlin Development
What we build with Kotlin
From native Android apps to shared multiplatform logic, this is where Kotlin works hardest for us.
Kotlin app development
Apps structured around clear user flows and maintainable modules, so your team keeps shipping features instead of untangling old ones.
Kotlin backend services
APIs and server-side systems on Ktor and Spring Boot, bringing Kotlin's clarity to the backend as well as the app.
Kotlin Multiplatform
Business logic shared across Android, iOS, web, and desktop, so core behavior is written once and maintained once.
Your app should not be a nightmare to update
Tell us about your Android product and get a written scope with clean architecture built in from day one.
Start a ProjectHow it works
How a Kotlin project runs with us
- 01
Product clarity
We learn what you are building, who will use it, and what the app must do before features get invented.
- 02
Architect the app
Screens, APIs, backend flow, and shared logic planned so everything connects properly from the start.
- 03
Write clean Kotlin
Idiomatic code, coroutines used well, and reusable modules, peer reviewed by senior Android engineers.
- 04
Test on real devices
Screens, features, APIs, and performance verified across actual phones, screen sizes, and Android versions.
- 05
Launch and evolve
Play Store submission, versioning, and release setup handled, then updates and improvements as users arrive.
Why AIoptimix
Why teams pick AIoptimix for Kotlin
Senior Kotlin engineers
Developers who know Android architecture, coroutines, Compose, and backend Kotlin from shipped products, not course certificates.
Clean-code obsession
The interface is only as good as the code beneath it. We keep both polished so maintenance never becomes archaeology.
Production-ready delivery
Testing, release management, and post-launch support come standard, because an app store listing is the start, not the finish.
Flexible engagement
One Kotlin developer or a full app team, sized to your roadmap and budget, with all code and accounts owned by you.
Tools and stack
Our Kotlin stack
The tools behind our Android and Kotlin backend work.
Android
- Kotlin
- Jetpack Compose
- Android SDK
- Coroutines
- Room
Backend and multiplatform
- Ktor
- Spring Boot
- Kotlin Multiplatform
Data and tooling
- SQLite
- PostgreSQL
- Firebase
- Gradle
- JUnit
Engagement models
Pick the model that fits.
Staff Augmentation
Vetted engineers who join your team, work your hours, and follow your workflow.
Learn more →Dedicated Teams
A complete unit with delivery management that owns your product end to end.
Learn more →Fixed Price
A written scope, a fixed USD quote, and a committed timeline before we start.
Learn more →FAQ
Frequently asked questions.
Why build Android apps in Kotlin?
Kotlin is the language Android itself recommends: concise, safe, and far more pleasant to maintain than legacy Java codebases. Teams ship faster and inherit fewer bugs, which compounds over the life of the app.
Can Kotlin be used beyond Android?
Yes. Ktor and Spring Boot make Kotlin a strong backend language, and Kotlin Multiplatform shares business logic across Android, iOS, web, and desktop, cutting duplicated work when a product spans platforms.
Can you migrate our existing Android app to Kotlin?
Yes. We refactor in phases: converting modules, improving structure, and updating dependencies while the app stays live in the Play Store, so the codebase gets healthier without a risky big-bang rewrite.
How do we start a Kotlin project with you?
Describe your product through the contact form. We will respond with questions, a recommended approach, and a fixed written scope with USD pricing, so you know exactly what is being built before anything begins.
Build your Android app clean
Tell us what the app needs to do and we will scope a Kotlin build your team will still like in three years.
Start a Project