Custom-builtsoftware.
We design and build mobile apps, platforms and web applications made to last.
What we build
One team for the whole journey: product, design, code and infrastructure.
Systems built around how your company actually runs: processes, rules and integrations no off-the-shelf product handles.
- Internal systems, custom CRMs and ERPs
- Automation of manual processes
- Integrations with APIs, payments and existing systems
- Dashboards and reporting
Fast, stable iOS and Android apps, ready to ship to the stores.
- Native and cross-platform apps
- App Store and Google Play release
- Notifications, payments, maps and camera
- Backend and admin panel
Complete web products, from a customer portal to a platform with users, payments and administration.
- SaaS platforms and digital products
- Customer and supplier portals
- Custom e-commerce
- Fast, accessible, search-friendly websites
From idea to launch, no detours
Every project follows the same route. You always know which station we're at and what comes next.
Understand
We listen to the problem, your users and your goals. We define scope, priorities and a clear estimate.
Design
Prototypes you can touch and an architecture thought through before the first line of code.
Build
Frequent releases you can test. You see real progress, not reports.
Launch
We ship with tests, monitoring and everything ready for real users.
Evolve
Support, improvements and new features as your business grows.
How we work
The code is yours
Repository, access and documentation in your name from day one.
Talk to the people building it
No middlemen: direct communication with the team writing the code.
Clear scope before we start
You know what will be built, in what order and what it costs.
Built to grow
Architecture and tests designed so the system holds up to what's next.
Technologies we work with
- TypeScript
- React
- Next.js
- Astro
- Node.js
- Python
- Swift
- Kotlin
- Flutter
- Expo
- PostgreSQL
- MongoDB
- Redis
- GraphQL
- Firebase
- Supabase
- Google Cloud
- Docker
- Vercel
- Stripe
- Tailwind CSS
- Figma
Why Rex?
RexDevs is named after Rex, our founder's dog.
We put him in the name and the logo as a reminder of what we want to be for every client: loyal, attentive and there every day. Every project has people behind it, and that's how we treat it.
What do you want to build?
Tell us about your idea or your problem. We reply personally.
Or write to us directly
Emailhola@rexdevs.com