Mobile App Development
Native-quality iOS and Android applications built with React Native. Performance-optimised UI, real-time features, push notifications, and App Store / Play Store publishing.
Software Development Company
Custom Software,
Custom Software,
Built to Last
We design, build, and operate production-grade mobile apps, web platforms, and backend systems — from first line of code to live deployment.
Get in Touch Our Services
What we do
End-to-End Software Services
From product ideation to live systems serving real users, we cover the full software development lifecycle.
Web Development
Responsive web frontends and robust backend APIs. RESTful and WebSocket-based services, admin dashboards, and server-side rendered pages built for scale.
Custom Software
Bespoke solutions tailored to complex business logic. Real-time multiplayer engines, algorithm development, data pipelines, and integration with third-party platforms.
Technical Consulting
Architecture design and code review for teams at any stage. We help you choose the right technology, scale your infrastructure, and reduce technical debt.
Our expertise
Technology Stack
A deep, production-tested toolbox across every layer of the software stack.
Mobile & Frontend
React Native
React
Haxe
TypeScript
Backend & APIs
Node.js
WebSocket / Colyseus
REST APIs
Real-time systems
Databases & Cloud
MySQL
Firebase
Docker
CI/CD
AI & Platforms
OpenAI API
iOS & Android
In-app purchases
Push notifications
About us
SmartPref S.àr.l.-S
SmartPref S.àr.l.-S is an Luxembourg-registered software company with deep engineering expertise in cross-platform mobile and web development. We have designed, built, and operated complex production systems — including real-time multiplayer backends, AI-powered engines, and large-scale mobile applications — serving thousands of active users.
Our team takes full-stack ownership: from system architecture and database design through frontend implementation, CI/CD automation, and live operations. We are comfortable with demanding technical requirements and tight integration constraints.
Registered in the Grand Duchy of Luxembourg under EU jurisdiction, SmartPref S.àr.l.-S operates with full legal and tax compliance under Luxembourg and European business law.
7+
Years in production
Full
Stack coverage
EU
Registered & compliant
iOS
& Android
Live
Production systems
AI
Capable
Support us
Support Our Work
If you enjoy our products, consider supporting their development — it helps us keep improving what we've built and tackle what's next.
Your support goes directly into our current and upcoming projects:
- SmartPref — real-time preference card game with multiplayer and AI opponents
- SmartPref Pro — advanced game analysis, statistics, and training tools
- New mobile and web apps currently in development
Support on Boosty
Contact
Work With Us
We are open to project engagements, technical partnerships, and consulting work.
Whether you need a new product built from scratch, an existing system scaled and stabilised, or expert technical advice — get in touch and let's talk about what we can build together.
- pro@smartpref.ru
- Luxembourg, Luxembourg — EU
- SmartPref S.àr.l.-S
Ready to start a project?
Send us a brief description of your project and we will get back to you promptly. We work with clients across Europe and internationally.
Send us an email