Mobile app development by Serhii VysochanskyiMobile app development by Serhii Vysochanskyi
Mobile app development Serhii Vysochanskyi
Cover image for Mobile app development
There are thousands of developers who can build a mobile app.
Very few know how to build one that survives.
After years of working on mobile products, one thing is clear:
most apps don’t fail because of wrong decisions early on.
Overengineering. Poor UX. Slow iterations. No real user value.
I focus on avoiding exactly that.
I build mobile apps that are:
simple where they should be
fast where it matters
and scalable when growth comes
Today, development is no longer just about code.
It’s about speed of execution + quality of decisions.
That’s why I combine:
solid engineering fundamentals
product-oriented thinking
and AI-assisted workflows
to deliver faster without compromising long-term stability.
What I work on:
mobile apps from 0 → launch
rebuilding and fixing existing apps
performance and UX improvements
adding AI features where they actually make sense
If you’re building something serious - you don’t need more code.
You need better decisions.
Serhii's other services
Starting at$3,999
Schedule a call
Duration4 weeks
Tags
Expo
Firebase
GraphQL
React Native
Stripe
TypeScript
Mobile
Mobile Engineer
React Native Developer
Service provided by
Serhii Vysochanskyi proLviv, 79000
Mobile app development Serhii Vysochanskyi
Starting at$3,999
Schedule a call
Duration4 weeks
Tags
Expo
Firebase
GraphQL
React Native
Stripe
TypeScript
Mobile
Mobile Engineer
React Native Developer
Cover image for Mobile app development
There are thousands of developers who can build a mobile app.
Very few know how to build one that survives.
After years of working on mobile products, one thing is clear:
most apps don’t fail because of wrong decisions early on.
Overengineering. Poor UX. Slow iterations. No real user value.
I focus on avoiding exactly that.
I build mobile apps that are:
simple where they should be
fast where it matters
and scalable when growth comes
Today, development is no longer just about code.
It’s about speed of execution + quality of decisions.
That’s why I combine:
solid engineering fundamentals
product-oriented thinking
and AI-assisted workflows
to deliver faster without compromising long-term stability.
What I work on:
mobile apps from 0 → launch
rebuilding and fixing existing apps
performance and UX improvements
adding AI features where they actually make sense
If you’re building something serious - you don’t need more code.
You need better decisions.
Serhii's other services
$3,999