[Job-30597] Systems Architect, Brazil

Description

At CI\&T, we help major enterprises transform the potential of AI into real business impact through AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in agentic SDLC, application modernization, Data \& AI, martech, and business strategy. We are 8,000 CI\&Ters across 25+ countries, collaborating to build solutions with tangible impact. AI is already part of how we work, evolve, and innovate every day. **Important**: If you reside in the Metropolitan Region of Campinas, your physical presence at our city offices is mandatory, per our current attendance policy. Serve as the technical owner for critical systems in the benefits market, navigating between a highly complex legacy platform (J2EE monolith on WebSphere) and a modern microservices and microfrontends ecosystem hosted in the cloud. You will be the team’s technical reference point, supporting end-to-end troubleshooting, guiding architectural decisions, and helping elevate the technical maturity of both the team and the client. This mission requires someone who can seamlessly transition between legacy code from the early 2000s and modern software engineering practices. **You must have hands-on experience with** * Java across its full spectrum — from Java 8 to 17/21, both in modern contexts (Spring Boot 3\.x, Quarkus for AWS Lambda) and legacy applications (EJB 2\.1, Servlets, JSP, SOAP via Apache Axis / JAX\-WS); * Microservices architecture — domain-driven decomposition, API \+ orchestrator pattern, asynchronous communication via messaging; * IBM WebSphere Traditional — deployment, tuning, and troubleshooting of EAR/WAR applications in J2EE environments; * Oracle (primary) and MongoDB databases; familiarity with PostgreSQL is a plus; * AWS — Lambda (Quarkus and Node.js), SQS, SNS, S3, ECR, Parameter Store; * Containers and orchestration — Docker and Red Hat OpenShift (OCP4\) as the deployment platform; * CI/CD — Azure DevOps Pipelines with shared templates, integration with SonarQube and Veracode; * Testing — unit tests (JUnit 5 \+ Mockito), integration tests (WireMock), and code coverage (JaCoCo); genuine appreciation for code reviews; * Clean, simple, and maintainable code (Clean Code, SOLID); * Agile concepts — SCRUM, KANBAN, daily standups, sprints, reviews. \- **Familiarity with** * Legacy J2EE Java — EJB 2\.1 (Session Beans, MDBs), Servlets, JSP, Hibernate (XML mapping .hbm.xml); * SOAP / Web Services — Apache Axis 1\.4, JAX\-WS; * IBM WebSphere Traditional 9\.x — deployment, IBM-specific descriptors (ibm\-web\-bnd.xml), connection pool and JMS tuning; * SAP integration via JCo (RFC); * JMS / ActiveMQ — messaging in legacy contexts; * Maven and Ant — building legacy projects, in addition to Gradle for modern projects; * Docker — building and optimizing images based on Red Hat UBI / OpenJDK golden images. \#LI\-BA1 **Our benefits:** * Health and dental insurance; * Meal and food allowance; * Childcare assistance; * Extended parental leave; * Partnerships with gyms and health/wellness professionals via Wellhub (Gympass) and TotalPass; * Profit and Results Sharing Program (PLR); * Life insurance; * Continuous learning platform (CI\&T University); * Discount club; * Free online platform dedicated to promoting physical, mental, and overall well-being; * Pregnancy and responsible parenting course; * Partnerships with online learning platforms; * Language learning platform; * And many more More details about our benefits here: https://ciandt.com/br/pt\-br/carreiras At CI\&T, inclusion begins at first contact. If you are a person with a disability, it is essential to **submit your medical report during the selection process.** *Check which information must be included in the report* *by clicking here.* This allows us to ensure the support and accommodations you deserve. **If you do not yet have the official disability certification, don’t worry: we can support you in obtaining it.** We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will support you at every stage. Count on us to walk this journey alongside you.