Web development
Custom websites, landing pages and frontend components.
- Astro, Next.js, React and Vue
- Responsive, accessible and fast
- Custom reusable components
- CMS or headless integration
- Deploy on Vercel, Netlify or your host
Available for new projects
I build software and electronics prototypes.
I'm Arnau, a freelance developer. I build custom websites, simulators and tools for companies and makers. Seven years at SEAT and a decade across games and industrial automation.
12+
years coding
11
projects
7
years at SEAT
1st
Generalitat prize
Let's work together
What I can build
If we're going to work together, these are the areas where I have most chops. Each has its scope and rate spelled out on the contact page.
Games and simulators
Prototypes, games and simulators with Unity or Unreal.
- Unity and Unreal Engine
- VR, AR and MR
- CAN bus and automotive hardware
- Prototypes, full games and simulators
- Seven years building simulators at SEAT
Custom projects
Briefs that mix software, hardware and creativity.
- Software + hardware combined
- Ideas outside the box
- Analysis and quote upfront
- Support all the way through
- Bring half a prototype or just a sketch
Projects
Recent projects
A selection. The rest in the gallery.
2015 · Programming and design
República Catalana: 1931
Adventure game set in 1930s Catalonia. First prize for best videogame awarded by the Generalitat de Catalunya (2015).
2025 · Programming technician · EDAG Group
Automotive simulators at SEAT
Seven years integrating car simulators at EDAG (for SEAT/Martorell): 2D/3D/AR/VR/MR apps in Unity and Unreal, software integration on showcars, and Arduino/CAN-bus communication with the vehicle hardware.
2018 · Programmer (BSc thesis · distinction)
e-Tycoon
Axonometric tycoon-style game with LUA-scripted AI. Final degree project, graded with distinction.
In the press
In the press
Places that have written about what I do.
- Soy Motor
CUPRA Raval · press coverage
soymotor.com
- Vandal (El Español)
Tecnocampus students build an arcade cabinet from scratch
vandal.elespanol.com
- Tecnocampus
TecnoArcade workshop · building an arcade machine
tecnocampus.cat
- Tecnocampus
TecnoCampus students win the Generalitat's 2015 Best Videogame Prize
tecnocampus.cat
- Metrópoli Abierta
Waital · the Shazam for clothes in TV shows and films
metropoliabierta.elespanol.com
- Applicantes
Waital · app to buy clothes and accessories seen in TV shows and films
applicantes.com
- Crónica Global
Waital · €500k seed round to scale the app
cronicaglobal.elespanol.com
ProductsCamperRoute
Trip planner for camper vans with a PWA trip mode and an automatic editorial blog. Three modes — plan, drive, recall — over a single data model.
ProductsLumware
Software for programmable light strips. A Python host decodes media, applies the colour pipeline, and streams frames over USB serial to an Arduino driving a NeoPixel strip.
Blog
From the notebook
Short notes, work-in-progress and things I learn.
Code · May 25, 2026
The local web UI: FastAPI inside the app
A physical knob would be optimal. Building one, not. I put the UI in the browser and made it reachable from any device on the LAN.
Code · May 29, 2026
The trip becomes a blog
The blog used to be flat text you read once and forgot. The recall mode turns it into the trip's artifact: editable blocks, your own photos, and a PDF you can take with you.
Design · Brand · May 25, 2026
Identity: spectrum R/G/B/W
The name took longer to surface than the architecture. When it did, everything fell into place — even the brand colors.
Contact
Want to work together?
Arnau Lafuente's portfolio: freelance developer specialised in games, simulators and prototypes. Seven years building automotive simulators with Unity, Unreal and CAN bus.