App development. Done well, delivered fast.
I develop mobile apps for startups and businesses: Android, Flutter and Kotlin Multiplatform. I help founders with mobile teams, architecture and release processes. For MVPs and prototypes, I can also build the web part and the backend.
- Android · Flutter · KMP
- Mobile lead · Architecture
- EN · PL · RU
How I can help
Choose one format or combine several.
- 01
Mobile development
Android apps in Kotlin and Jetpack Compose, cross-platform apps in Flutter and Kotlin Multiplatform. Full cycle: architecture, development, testing and release to the stores.
- New apps and MVPs
- Features for existing apps
- Migration to KMP or Flutter
- 02
Mobile lead for founders
A part-time technical lead for your mobile product. I help choose the stack, design the architecture, hire and onboard developers and set up a stable release process.
- Architecture and technical decisions
- Hiring and onboarding
- Code review, CI/CD, releases
- 03
App audit
A review of code, architecture, stability and performance. You get a prioritised list of issues and a plan to fix them. If needed, I fix the critical ones myself.
- Code and architecture review
- Stability and performance
- Technical debt plan
- 04
MVP and prototypes
When you need to test an idea quickly, I can build a simple web app, API or admin panel for an MVP or prototype. Fast, with modern AI tools.
- Web MVPs and prototypes
- Simple APIs and integrations
- Admin panels
Selected projects
Products I have built or worked on.
Founder & engineer
Cycling training platform with AI: a visual workout builder, adaptive plans driven by fatigue science, a race time predictor and Strava / Garmin sync.
Founder & engineer
AI CAD for functional parts: turns a description and key dimensions into an editable parametric 3D model validated with OCCT. Exports to STEP, STL, OBJ and 3MF.
Mobile Lead
An AI dating simulator from the team behind Replika that helps people practise communication and relationship skills. Leading development of the Android, iOS and web clients: architecture, team and releases.
Android engineer
One of the best-known AI companion apps, used by tens of millions of people worldwide. Worked on the Android client.
Replika and Blush are trademarks of their respective owners.
How I work
Regular results
Short iterations and a working build every week, so progress is always visible.
Quality control
Tests and CI from the first day, crash monitoring and store ratings tracked as product metrics.
Clear terms
Fixed scope or a monthly rate, clear estimates. All code and accounts belong to you from the start.
- Kotlin
- Jetpack Compose
- Kotlin Multiplatform
- Compose Multiplatform
- Flutter
- Dart
- Coroutines & Flow
- Gradle
- CI/CD
- TypeScript
- Next.js
- Prisma
Tell me about your project
A few sentences are enough: what you are building, what stage it is at and what you need help with.