Ruby on Rails
The framework that invented modern web productivity.
Rails remains the gold standard for building robust, business-critical monoliths quickly. Convention over configuration, Active Record, Hotwire, and Turbo let you ship working product in weeks without unnecessary frontend complexity.
What Ruby on Rails brings to your project.
Typical use cases: MVPs, product-led SaaS, marketplaces, business applications.
- 01
Convention over configuration: ultra-fast project launch.
- 02
Hotwire / Turbo: SPA-like experience without JavaScript framework overhead.
- 03
Active Record: expressive modeling and migrations.
- 04
Strong community, mature gem ecosystem.
Entrust your project
to our app experts.
Entrust your project to our app experts.
Entrust your project
to our app experts.
Our experts in application development build your project, delivering superior technical and functional quality within shorter timeframes.
They trust us.
They trust
us.
Startups, mid-caps, large enterprises, public sector: Kosmos Digital supports organisations of every size in building their application.
They talk about us.
Explore the mentions and analyses that spotlight our work and our innovations across the business and tech press.
A project with Ruby on Rails?
Describe your project. Our team replies within 24 hours with free technical scoping, along with a clear estimate of costs and timelines. No commitment.
- Reply within 24 hours from a project manager
or engineer.Reply within 24 hours from a project manager or engineer. - Technical scoping and quote, with no fees.
- No commitment, your data stays
confidential.No commitment, your data stays confidential.
Monday to Saturday · 9am to 6:30pm · Standard-rate number.
hello@kosmos-digital.com
Paris · Lyon · Marseille · Nice · Geneva
Your company may qualify for a tax credit equal to 20% of the costs linked to developing its solution.
Free scoping & estimate in under an hour
Describe your project and we'll get back to you with a costed estimate and a roadmap.