Technology that solves real problems
We are a technology company focused on creating custom digital solutions — from institutional websites to complete management systems. Clean code, on-time delivery and measurable results.
Why EiSys exists
Many companies face the same problems when seeking digital solutions. EiSys was born to change that:
- Vendors who deliver projects late and over budget
- Systems that work in demos but break in production
- Code without documentation that creates developer dependency
- Generic solutions that don't adapt to business reality
- Lack of transparency about project progress and costs
How EiSys works
We combine technical excellence with transparent processes to deliver software that works and lasts.
Clean and documented code
Every project follows tested architecture patterns, with technical documentation so any developer can continue the work.
On-time delivery with weekly sprints
We work with agile methodology and incremental deliveries — you see real progress every week, not just at the end.
Modern and scalable stack
Next.js, TypeScript, .NET, React — we use technologies with broad support, easy to maintain and to find professionals in the market.
Results-focused, not hours-focused
Our commitment is to your project's results, not filling timesheets. Fixed budget, no surprises.
Real post-delivery support
We don't disappear after deployment. We offer continuous support, monitoring and evolution to keep up with business growth.
Direct and transparent communication
Direct channel with the technical team, weekly progress reports and access to the code repository from day 1.
From first contact to delivery
- 1
Initial conversation
We understand the problem you need to solve, the business context and expected results. No jargon, no commitment.
- 2
Technical and commercial proposal
We present a detailed proposal with scope, technologies, timeline and investment — everything transparent before starting.
- 3
Iterative development
Weekly sprints with partial deliveries, frequent reviews and quick adjustments. You follow every step of the progress.
- 4
Testing and validation
Complete QA with automated testing, accessibility review, performance audit and sign-off with your team.
- 5
Delivery and evolution
Production deployment, team training, documentation and the start of continuous support. The project doesn't end here — it evolves with you.
Pronto para começar?
Converse com nossa equipe e descubra como podemos ajudar o seu projeto a sair do papel.
Questions about EiSys
We serve startups, small businesses and medium-sized companies. Our focus is delivering custom solutions that fit each client's reality, regardless of size.
Both. We do fixed-scope projects (websites, systems, migrations) and also offer continuous evolution contracts for companies that need ongoing support and improvements.
We work remotely, serving clients across Brazil. Meetings are done via video conference and all communication is asynchronous and documented to ensure productivity.
We work with Next.js, React, TypeScript, TailwindCSS and .NET/C# as our main stack. For databases, we use PostgreSQL and SQL Server. Infrastructure on Vercel, AWS or Azure depending on the project.
After the initial conversation, we send a proposal with fixed scope and investment. No surprise overtime, no hidden costs. You know exactly how much you'll invest before starting.