Leon Carpe Studios
Websites · Software for companies · iOS and Android apps · AI
Software and digital experiences designed to last.
We build websites, custom software for companies and apps for iPhone and Android, and implement AI in your business. Design and code move forward together from day one.
What we do
- WebCustom platforms and websites
- SoftwareInternal systems for companies
- iOS & AndroidMobile apps
- AIImplementation in your business
Manifesto
“Design and code, planned together.
Software that lasts and grows with you.”
Every project starts by understanding your business, your customers and the problem you want to solve, before choosing the technology.
We design the interface and the architecture at the same time, so what users see works well and the system can be maintained and extended without starting over.
Web
Custom platforms and websites
Software
Internal systems for companies
iOS & Android
Mobile apps
AI
Implementation in your business
Services
What we do
Service 01
Web development and digital platforms
Scalable web applications, from high-performance websites to SaaS platforms.
- Web applications with Next.js and React
- Multi-tenant SaaS platforms
- APIs and backend with NestJS and PostgreSQL
Service 02
UI/UX and digital experiences
Intuitive interfaces that combine a restrained aesthetic with clear functionality.
- Research and information architecture
- Interface design and prototyping
- Reusable design systems
Service 03
Architecture and custom software for companies
We design the architecture and build the software that supports your company: internal panels, processes and systems that grow with you.
- Clean architecture and domain-driven design (DDD)
- Custom software: panels and internal tools
- API design and contracts
Service 04
Technical SEO and performance
A website that search engines understand and users enjoy.
- Correct metadata, canonicals and sitemap
- Structured data (JSON-LD) consistent with visible content
- Performance and Core Web Vitals
Service 05
Apps for iPhone and Android
Mobile apps for iOS and Android, connected to your backend and your customers.
- iOS and Android apps with a shared codebase
- Mobile interface design and testing on real devices
- Push notifications and user account access
Service 06
AI implementation for your business
We bring artificial intelligence into real processes: automation, assistants and analysis of your data.
- Automation of repetitive tasks with AI
- Assistants and chatbots using your business information
- Classification and data extraction from documents
Process
How we work
- 01
Discovery
We explore the problem, the context and the goals before defining the solution.
- 02
Development
We design and build in parallel, with continuous code and design reviews.
- 03
Launch
We ship the product on a foundation prepared to grow and be maintained.
Approach
What defines us
Design and code in the same process
Interface and architecture decisions are made together, so what is designed can also be built and maintained.
Architecture built to grow
Well-bounded domains and clear contracts, so the product can change without being rewritten each time.
Accessibility and technical SEO from the start
Contrast, keyboard navigation, metadata and performance are designed as requirements, not as last-minute touches.
Work
Real projects
SaaS · Content analysis
ViralHighlight
A platform to analyse viral content on TikTok, Instagram and YouTube: hook detection, trend analysis, AI-generated scripts and a credit system with payments.
- Next.js
- React
- TypeScript
- PostgreSQL (Neon)
Web tools · Calculators
Qoinvo
A suite of free digital calculators and tools for Spanish-speaking audiences. All calculations run in the browser, with no sign-up.
- Next.js
- React
- TypeScript
- Tailwind CSS
Restaurant · Web and SEO
Metro Bistró
A multilingual restaurant website with menu, wine list, reservations, a blog and an AI assistant that answers customer questions.
- Next.js
- React
- TypeScript
- Tailwind CSS
E-commerce · Silver jewellery
Orbelia
Online store for 925 sterling silver jewellery with catalogue, cart, wishlist, guest checkout, user accounts and an admin panel.
- Next.js 16
- React 19
- TypeScript
- Drizzle ORM
Have a project in mind?
Tell us the goal, the context and what you already have. We reply by email.