55onze
55onze / independent studioFrontend × Design

São Paulo, Brazil

We build softwarewhere engineeringmeets design.

Independent software studio focused on frontend engineering, UX/UI and Design Systems.

São Paulo, Brazil

01 / Product

Elira

Design System Intelligence

Everything your Design System knows, in one place.

Elira helps teams understand, organize and evolve their Design Systems through health reports, diagnostics and contextual insights.

Explore Elira
Elira website showing a Design System Health report preview
Elira / Product preview

02 / What We Know

We work where frontend systems, interfaces and design decisions meet.

  1. Frontend Engineering01

    Architecture, interfaces and systems built to evolve.

  2. Design Systems02

    Connecting design decisions, implementation and shared language.

  3. UX / UI03

    Making complex systems understandable and usable.

  4. Design Engineering04

    Where visual decisions become reliable interfaces.

  5. Developer Experience05

    Reducing friction for the people building the product.

03 / Knowledge

We build.We learn.We share.

We document what we learn while building products, systems and interfaces.

Read notes
  • 01 / Frontend Engineering
  • 02 / Design Systems
  • 03 / Design Engineering
  • 04 / Developer Experience

04 / Studio

Small by design.Deep by choice.

55onze is an independent software studio from São Paulo. We build our own products around frontend engineering and design, share what we learn, and selectively advise teams on improving their own systems.

How we work

Products
Primary
Knowledge
Shared
Advisory
Selective

Our name carries our coordinates.

+55 / Brazil11 / São Paulo

Founded by Gustavo A Roberto.