We shape the digital future of those who build serious things.
We are digital architects. Custom web, mobile, and desktop development — with an agile process, clean code, and an obsession for detail.
- 20+
- Projects delivered
- 12
- Technologies in stack
- 5
- Years on the road
- 100%
- Custom-built code

Work
Recent projects
Every delivery starts from a real business problem and ends as a product in production.
Visit siteSistema Abelha
Property search and management system for real-estate agents — 400+ tables from Praia Grande and region, with advanced filters and fast client sharing.
- Next.js
- Django
- MySQL
Visit siteJM Elétrica
Institutional website for electrical and energy solutions, with email sending integration and validated forms.
- React
- Email API
- Institutional
Visit siteLuciana Advocacia
Static website developed for legal advisory and consulting services, focused on performance and lead capture.
- Static
- SEO
- Landing
About us
More than a dev house: product partners.
At JellyFish Development, we work side by side with the client team. We define scope, prototype fast, ship in short cycles, and maintain what goes to production.
Web
High-performance apps and sites with React, Next.js, and TypeScript — from the design system to deploy.
Mobile
Cross-platform apps with a native feel, offline-first, and integration with custom APIs.
Desktop & Backend
APIs, automations, and internal systems in Node, Python, and PHP, containerized with Docker.
Let's build together
If you have a vision, we have the tools to take it further. Tell us the problem and we'll design the path.
Start a conversation