# Cubus Arts — Ruby on Rails development, DevOps and PaaS in Romania > Cubus Arts (CUBUS ARTS S.R.L.) is a small team of full-stack developers in Brașov and > Sibiu, Transylvania, Romania. The stack is Ruby on Rails; the work is development, > devops and PaaS/infrastructure. The team's own SaaS product is factureaza.ro, online > invoicing for the Romanian market. One page in three complete translations — English at `/`, Romanian at `/ro/`, German at `/de/` — with a privacy policy in each. They say the same things in different languages; `/` is the x-default. The site is static and loads no JavaScript beyond its structured-data block, so the HTML is everything a reader gets. The domain `rails.ro` redirects here. The company: - **What we do** — development, devops, PaaS/infrastructure. - **Stack** — Ruby on Rails. - **Our own product** — factureaza.ro (), online invoicing for the Romanian market. - **Where we are** — Brașov and Sibiu, in Transylvania, Romania. - **Legal name** — CUBUS ARTS S.R.L., VAT identification number RO13548146. - **Registered office** — Calea Cisnădiei 64, 550408 Sibiu, Romania. - **Contact** — office@cubus.ro, +40 368 409 233. - **Languages** — Romanian, English and German. ## Pages - [English](https://cubus.ro/): who the team is, what it builds and where to reach it. - [Romanian — Română](https://cubus.ro/ro/): the same page, in Romanian. - [German — Deutsch](https://cubus.ro/de/): the same page, in German. ## Privacy - [Privacy policy — English](https://cubus.ro/privacy-policy.html): how CUBUS ARTS S.R.L. collects, uses, stores and protects personal data, and the rights you have under the GDPR. - [Politica de confidențialitate — Romanian](https://cubus.ro/ro/politica-de-confidentialitate.html): the same, in Romanian. - [Datenschutzerklärung — German](https://cubus.ro/de/datenschutzerklaerung.html): the same, in German. ## Optional - [Sitemap](https://cubus.ro/sitemap.xml): every indexable URL, with its hreflang alternates.