Legacy Systems Modernization

Legacy Systems Modernization

Legacy system evolution with security and stability

Legacy system evolution with security and stability

We upgrade legacy and outdated systems, replacing obsolete technologies with modern, secure, and efficient solutions. Our focus is to modernize the architecture and user experience without compromising existing functionality, ensuring higher performance, maintainability, and continuous evolution.

We upgrade legacy and outdated systems, replacing obsolete technologies with modern, secure, and efficient solutions. Our focus is to modernize the architecture and user experience without compromising existing functionality, ensuring higher performance, maintainability, and continuous evolution.

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Our SLA

Continuous evolution without operational downtime

Continuous evolution without operational downtime

We ensure system continuity and evolution through support, preventive maintenance, and constant monitoring. We operate continuously to reduce failures, anticipate problems, and maintain stable operations over time.

We ensure system continuity and evolution through support, preventive maintenance, and constant monitoring. We operate continuously to reduce failures, anticipate problems, and maintain stable operations over time.

Highly specialized IT team

Productivity increase through application monitoring

Continuous improvement of security and compliance

Cost reduction through an optimized technical framework

Solutions

Greater agility in detecting and resolving demands

We focus on incident resolution, recurrence prevention, and technical debt reduction through continuous and controlled improvements. We plan system evolution gradually (cloud/containerization), with security and governance, without operational downtime.

L1/L2/L3 Support

Incident and problem management across different complexity levels, routed according to criticality tiers.

Change management (ITIL)

Release planning, deployment window definition, and rollback strategies to ensure secure updates.

Bug fixes and hotfixes

Rapid stabilization with targeted fixes, regression testing, and evidence gathering.

Minor enhancements

Functional and UI adjustments prioritized based on value and business impact.

Technical refactoring

Technical debt reduction through performance improvements, code organization, and adoption of best practices.

Hardening and compliance

Patch management, secure configurations, and access and log auditing to reinforce security and compliance.

Observability

Monitoring through metrics, logs, and alerts for continuous tracking of system behavior.

Backup/DR

Backup routines, restoration tests, and planning to ensure recovery in case of failures.

Documentation & runbooks

Step-by-step operational guides with incident logs and FAQs.

Modernization roadmap

Structured system evolution planning, defining roadmaps, cloud strategy, and containerization, alongside gradual modernization strategies.

Results

Agility, stability, and scalability for your business

Reliability and continuity

Reliability and continuity

Monitoring, support, and hotfixes that keep systems stable and available, preventing operational downtime.

Monitoring, support, and hotfixes that keep systems stable and available, preventing operational downtime.

Up-to-date security and compliance

Up-to-date security and compliance

Continuous patching, hardening, and auditing to protect against vulnerabilities and maintain compliance with data protection regulations (LGPD).

Continuous patching, hardening, and auditing to protect against vulnerabilities and maintain compliance with data protection regulations (LGPD).

Continuous evolution with lower risk

Continuous evolution with lower risk

Functional adjustments, UI improvements, and a structured roadmap allow the system to securely scale alongside business growth.

Functional adjustments, UI improvements, and a structured roadmap allow the system to securely scale alongside business growth.

Beyond technology

A complete ecosystem of support, efficiency, and continuous improvement

A complete ecosystem of support, efficiency, and continuous improvement

We work with specialized teams focused on continuous improvement, ensuring delivery consistency, adaptation to client needs, and the steady evolution of our solutions.

We work with specialized teams focused on continuous improvement, ensuring delivery consistency, adaptation to client needs, and the steady evolution of our solutions.

Internal training

We promote the continuous professional development of our team through workshops, technical learning paths, and mentorship, ensuring up-to-date and consistent deliveries.

Dedicated support

Security and compliance

Progress reports and continuous feedback

We mitigate security flaws with traceability and continuous validation

We work directly within the source code to remediate vulnerabilities identified in audits and security testing, applying Secure Coding, hardening, and DevSecOps practices to ensure the system is resilient against real-world attacks.

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We mitigate security flaws with traceability and continuous validation

We work directly within the source code to remediate vulnerabilities identified in audits and security testing, applying Secure Coding, hardening, and DevSecOps practices to ensure the system is resilient against real-world attacks.

Learn more

Contact

Want to evolve your operations with the use of technology?

Want to evolve your operations with the use of technology?

Get in touch with our team to discover how we can structure, automate, and scale your processes efficiently and securely.


Reach out via email or follow our content on social media.

Get in touch with our team to discover how we can structure, automate, and scale your processes efficiently and securely.


Reach out via email or follow our content on social media.

comercial@sesatech.com.br