Hello, I'm

Adrian Rojas Barrera

Ruby on Rails SaaS PrestaShop WordPress

Senior freelance web developer in Barcelona, full-stack. I build Ruby on Rails SaaS, PrestaShop e-commerce stores, and WordPress sites that actually convert. 10+ years shipping, working worldwide.

Book a free 30-min call See case studies
Adrian Rojas Barrera — Freelance Web Developer in Barcelona

Services

Three specializations, one mindset: ship working software.

Ruby on Rails

SaaS MVPs in 6–10 weeks. PostgreSQL, Stripe, Hotwire. Senior-level Rails work for founders and SMEs.

SaaS MVP development

Fixed-price MVPs. Auth, billing, admin, multi-tenant — the boring 70% done right.

PrestaShop

Custom modules, full stores, and rescues from WooCommerce or Shopify. Six-figure store experience.

WordPress

Custom corporate sites, fast performance, and SEO-safe migrations. WooCommerce ready.

Specialized in your industry

Web solutions built around the way your business actually sells.

Online store development

E-commerce that actually sells: catalog, payments, logistics and SEO from day one.

Web design for law firms

Authority-building sites that turn legal queries into consultations.

Web design for artists and personal brands

Your site as the hub of your brand: portfolio, tour dates and ticket sales.
See all industries →

Selected work

Tapacontador.com
PrestaShop

Tapacontador

Six-figure annual revenue specialty store.
Metricgram
SaaS · Rails

Metricgram

Telegram community management SaaS.
Momentum Conglomerate
WordPress

Momentum Conglomerate

Canadian consulting firm corporate site.

Client Testimonials

What clients say about working with me

Juan Carlos - e-Commerce - Tapacontador

Juan Carlos

e-Commerce - Tapacontador
Desde el inicio, trabajar con Adrian ha transformado nuestro negocio. Gracias a su habilidad, tapacontador.com se lanzó con éxito y rápidamente alcanzó ventas notables. Construyó nuestro sitio en PrestaShop, simplificando procesos complejos.
Benjamin Selma - Momentum CEO

Benjamin Selma

Momentum CEO
He treated the project like it was his own, from the start the approach was very professional. Adrian is a very knowledgeable professional that will go above and beyond for your projects.
Belén Calafell - Directora de castings

Belén Calafell

Directora de castings
Llevo trabajando muchos años con él, y no lo cambio por nadie. Siempre contesta las consultas al momento, siempre disponible. Solucionador sería la palabra que más lo define.
Metricgram - CO-FOUNDER

Metricgram

CO-FOUNDER
Un trabajo excepcional. Consiguió lo que muchos equipos no consiguen, una aplicación robusta con muchas funcionalidades complejas, y lo más importante, con un código limpio, centralizado y escalable.
Jordi Hernández - Director Gimnasio

Jordi Hernández

Director Gimnasio
En poco tiempo nos hizo un rebranding de toda nuestra web, nos ayuda mes a mes en la inserción de contenido, no falla nunca, y tras su paso ahorramos más de 200€/año en alojamiento web.

Have a project in mind?

30-minute call. Written quote in 24 hours. No obligation.

Book a free 30-min call