What is it?
It is the work of writing, testing and renewing the systems a company uses — from apps to the internal systems nobody sees.
The Enterprise AI CompanyAgentified IT services
Agentified AMS · Applications and modernization
Software and modernization means building new systems and renewing old ones step by step, without stopping operations. Your large, rigid systems become agile, secure solutions that are ready for agents.
Custom-built when it makes sense, on proven platforms when they solve the problem better.

What is it?
It is the work of writing, testing and renewing the systems a company uses — from apps to the internal systems nobody sees.
Why does it matter?
A system that is hard to change makes every new feature take months and eats up the budget that should go to innovation.
How does it work?
We map what exists, choose what to modernize first and replace it piece by piece, with automated tests and security from the start.
What changes?
New features go live often and with less risk, and the system starts to grow along with the business.
The same request, in two different systems.
Today
After
Each part of the system evolves at its own pace, with security checked at every delivery.
Where this fits: this solution is part of the Applications and SAP front, together with enterprise systems. Modernized systems connect faster to your operation’s context. This is where companies start when an old system is holding back operations.
“Any change to the system turns into a months-long project.”
“No one wants to touch the old system for fear of breaking it.”
“Testing is manual and errors show up in production.”
“Most of the IT budget goes to maintaining, not creating.”
To build what is missing and renew what already exists.
We replace the old system piece by piece, without stopping operations and without betting everything on a single cutover.
Also known as: Application Modernization · Wedge evolution
Systems built from independent parts, in the cloud, with security built into the delivery pipeline.
Also known as: AI-Native Platforms · Microservices · DevSecOps
Teams that use AI every day to write, review and document code faster.
Also known as: AI-Powered Squads
Automated, load and security tests at every delivery, so errors appear before the customer sees them.
Also known as: Continuous Quality · Software QA · Performance engineering
Standard tools and paths so each team can deliver without reinventing the infrastructure.
Also known as: Platform Engineering
70%
of companies face bottlenecks and technical debt in old systems
Source: Gartner / Forrester / IDC, 2025
41%
of the IT budget at large companies is consumed by technical debt
Source: McKinsey & Company
74%
of organizations do not finish their modernization projects
Source: OutSystems, The Growing Threat of Technical Debt
12%
of organizations have high maturity in platform engineering
Source: Gartner / Forrester / IDC, 2025
AI comes in at two points: in the team, which writes, tests and documents code with AI support; and in the product, which is built from the start to work with AI agents and models.
Where to start
We map the technical debt and security risks of the current system and design a step-by-step modernization path.
Request the assessment →The same path for new and old systems.
We map the technical debt, the security risks and what each part of the system does for the business.
We define how the system will look: independent parts, in the cloud, with governance and security from the start.
We modernize one part at a time, with the old system still running until the switch is safe.
Automated and performance tests run at every delivery to keep the system resilient.
We keep critical systems running with large-enterprise discipline and 24×7 support.
Development platforms and tools where we have certified teams.
Technologies in the Semantix ecosystem. Display of partner brands is subject to authorization.
Professional layer
Technical debt and security assessment · microservices and API architecture · containers and CI/CD pipelines with built-in security · strangler fig pattern for incremental modernization · automated, load and security testing · platform engineering and internal developer portals.
We call this Platforms & Software Development: Application Modernization, AI-Powered Squads, Continuous Quality and Platform Engineering.
Frequently asked questions
In most cases, modernize gradually. Rewriting everything at once is the path that fails most often: the old system keeps changing while the new one is being built. Step by step, each new part goes live and the risk stays under control.
It is the accumulated cost of shortcuts and technologies that have fallen behind. It shows up as slowness to change, frequent errors and dependence on a few people — and it consumes the budget that should go to new things.
Both. When a market platform does the job well, we build on it; when the business advantage lies in the software, we build it custom.
Teams use AI to write, review, test and document code, which speeds up delivery and makes quality more consistent. People remain responsible for architecture decisions and the final review.
This service is part of a single operating model, with AI agents and specialists on the Semantix AI Suite. Decisions made here feed your company’s shared context and make the other operations smarter.
Agents on the volumeSpecialists on judgmentFrom platform to operations
One context for your companyEvery operation feeds the same context and runs on the same foundation: the Semantix AI Suite and Brazilian governance.Explore Semantix AI Suite →Connect · Operate · Learn · Orchestrate