01
Clarity over theatre
Expressive design, always in service of understanding and action.
- Meaningful hierarchy
- Accessible interaction
- Content-led visual systems
Small by design
A senior studio for systems that cannot be generic.
Yhello is an independent French-Brazilian digital studio founded in Paris in 2014. We work where scientific credibility, editorial depth and operational complexity matter as much as the interface.
YhelloOne senior thread
RootsParis · 2014Based nowRio de JaneiroEN · FR · BR
02
Product thinking
We design the system behind the interface.
- Connected content architecture
- Editorial and operational tools
- Measured technical choices
03
Long-term responsibility
The same senior perspective stays involved beyond launch.
- Direct collaboration
- Durable engineering
- Continuous care
Marcio Marim
Founder · Web developer · Product lead 15+ years in web development · PhD in image processingScientific perspective
Web experience first. Scientific training as an advantage.
Marcio has more than 15 years of experience designing and developing web platforms. He combines hands-on product, design and WordPress engineering with training in electrical engineering and biomedical optics, followed by doctoral and postdoctoral research at Institut Pasteur and Télécom ParisTech. His work on compressed sensing, denoising and biological microscopy informs Yhello’s evidence-based approach to complex digital systems.
Scientific profileTwo cities, one working culture
Paris roots. Rio de Janeiro rhythm. International work.
The studio combines French institutional experience with a Brazilian instinct for directness, warmth and invention. Projects are led remotely with focused workshops and a close working rhythm.
Founded in Paris
More than a decade building and operating content-rich WordPress products.
Senior collaboration
No relay race between sales, strategy, design and delivery.
Multilingual by default
Language is part of the content model and experience—not an afterthought.