Madson Viana

Design and engineer high-throughput, scalable back-end services in Java for a global real-time payment platform. Develop RESTful APIs and integrate financial services with robust error handling, monitoring, and security.

Delivered enterprise back-end solutions in Java for banking and finance clients. Implemented Spring-based services using TDD, following strict banking-grade quality and security standards.

Defined technical architecture and design guidelines for critical enterprise web applications. Selected technologies and set coding standards, improving maintainability across delivery teams.

Built back-end components and RESTful services in Java for enterprise applications. Applied Java best practices, unit testing, and peer review to raise code quality and reduce defects.

Designed and developed web applications using Spring, BDD (Cucumber), REST, and SOAP Web Services. Championed behavior-driven development, translating business requirements into executable specifications.

Architected and coded high-level, mission-critical web applications in Java, EJB, JSF, SOAP, REST, and Hibernate. Introduced automated testing and code review culture, raising engineering standards across the team.

Developed and maintained enterprise-grade Java applications for public-sector clients. Strengthened system stability and performance through disciplined testing and refactoring.

Engineered back-end software solutions in Java for public-sector operations. Designed data models and business logic supporting critical institutional workflows.

Developed and maintained tax and fiscal systems for the Piauí State Finance Department (SEFAZ/PI). Implemented Java services and PL/SQL routines to process and validate fiscal data reliably.

Built web applications and internal systems in Java supporting construction and mining operations. Delivered end-to-end solutions, from data modeling and business rules to UI and deployment.

Completed a Nanodegree program in Deep Learning, covering neural networks and applied AI.

Earned an MBA in IT Governance, focusing on management and governance of information technology.

Studied Computer and Information Sciences, gaining a general foundation in computing and information technology.