Claudio Souza
Software Engineer @Ambush
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WORK HISTORY
Software Engineer @Ambush
San Jose, CA, US
Client: Global digital payments company- Provided production support for mission-critical systems, handling live incidents and performing root cause analysis (RCA)- Implemented fixes and reliability improvements for systems under ownership, ensuring stability in production environments- Contributed to the migration of legacy C++ systems to Java-based components, improving maintainability and long-term scalability- Developed backend services using Java and Spring-like frameworks, following clean architecture and design best practices- Wrote and maintained unit and integration tests to ensure code quality and system reliability- Utilized JUnit, Mockito, WireMock, and TestNG for test automation and dependency mocking.
EDUCATION
Universidade Federal Fluminense
Bachelor's degree, Computer Science
Universidade Federal Fluminense
Master's degree, Computer Science
ABOUT CLAUDIO SOUZA
Software Engineer with 8+ years of experience designing and building scalable, cloud-native and distributed systems, primarily in fintech and enterprise environments. Strong background in backend and full-stack development, with hands-on experience across the full software lifecycle — from architecture and design to production support.Proven track record of automating high-risk financial workflows, improving system reliability, and significantly reducing manual operational processes. Experienced in event-driven architectures, microservices, and Kubernetes-based deployments on AWS.Comfortable acting as technical owner and team lead, mentoring engineers, driving architectural decisions, and collaborating closely with product, operations, and stakeholders to deliver measurable business impact.
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