01 / Fintech mobile app
Flux
Money clarity for modern teams
Product design · iOS · Android
View project ↗Fkolushka®
Money clarity for modern teams
→ Design + development studio
We design & build
digital products
that move.
Kolushka partners with ambitious teams to create high-performance websites, web platforms and mobile apps—from first sketch to shipped product.
Explore our work ↓Next.js✦React✦TypeScript✦Node.js✦React Native✦Swift✦Kotlin✦Supabase✦Next.js✦React✦TypeScript✦Node.js✦React Native✦Swift✦Kotlin✦Supabase✦
Not an agency assembly line. A senior team that thinks, designs and ships with you.
We bring product strategy, UX/UI design and engineering into one focused team. That means fewer handoffs, faster decisions, and a product that feels coherent from the first screen to the final line of code.
What we do ↘Selected workProducts with
Products with
a pulse.
Concept projects showing how we approach digital products across finance, property and health.
02 / Property platform
Nestly
A calmer way to find home
UX/UI · Web app · Platform
View project ↗Nkolushka®
A calmer way to find home
→03 / Health & wellness
Tandem
Care that stays connected
Strategy · Design system · Build
View project ↗Tkolushka®
Care that stays connected
→CapabilitiesFrom idea
From idea
to App Store.
Everything required to design, build and evolve a modern digital product under one roof.
Product Design
Research, UX architecture, UI systems and prototypes that turn complex ideas into products people understand instantly.
UX/UIPrototypingDesign systems
↗Web Development
Fast, accessible websites and web apps engineered for real business goals—not just a pretty launch day.
Next.jsE-commerceWeb apps
↗Mobile Apps
Native-feeling iOS and Android experiences built for performance, retention and effortless everyday use.
iOSAndroidReact Native
↗Product Evolution
Ongoing design and engineering support to test, improve, ship and scale your digital product with confidence.
OptimizationSupportScale
↗How we workClarity first.
Clarity first.
Then momentum.
A lean, transparent process with useful outputs every week. You always know what’s happening, why it matters and what comes next.
Plan your project ↗Discover
Goals, users, constraints and a clear product roadmap.
Design
Flows, interfaces, prototypes and a scalable design system.
Develop
Production engineering with continuous demos and QA.
Launch & evolve
Release, measure, improve and keep shipping.
Built with the right toolsModern stack.
Modern stack.
Serious craft.
01Next.js↗02React↗03TypeScript↗04Node.js↗05React Native↗06Swift↗07Kotlin↗08Supabase↗
Strategy-led.
Design-obsessed.
Engineering-backed.
Booking new builds for Q4 2026
Have a product in mind?Let’s make it
real.
Tell us what you’re building and where you are in the journey. We’ll reply with useful next steps—no sales theatre.
hello@kolushka.com ↗