AI-augmented Product-oriented Senior Software Engineer

Contributor to Santander’s Payments Hub ecosystem, a mission-critical financial platform operating at national scale. Designed and implemented reactive microservices using Java 17 and Spring WebFlux within an event-driven architecture (Kafka / AWS MSK). Contributed to high-availability payment systems supporting large transaction throughput and strict reliability requirements. Led adoption of automated testing and quality gates, reducing production-critical defects by ~75%. Improved release consistency through CI/CD evolution (GitHub Actions, Jenkins, SonarQube). Established architectural compliance practices and pre-push validation improving codebase stability. Enhanced observability using OpenTelemetry, Logstash, Elasticsearch and Kibana, improving incident diagnosis speed. Mentored engineers and influenced delivery practices focused on flow efficiency and risk reduction.

Evaluated AI-generated code for correctness, maintainability, and architectural quality. Helped refine AI reasoning approaches for complex engineering problems. Produced structured solution strategies guiding AI problem-solving behavior.

Founded and led a software consultancy delivering production systems from concept to deployment across multiple clients and domains. Delivered 12+ production systems including APIs, integrations, and full-stack platforms. Led decisions from requirements through deployment, including database modeling and CI/CD setup. Acted as client-facing engineering advisor translating business needs into technical strategy. Introduced structured code review and engineering standards improving long-term maintainability.

Improved team delivery flow by eliminating development waste and strengthening quality practices. Introduced automated testing into legacy systems, reducing defect rates. Contributed to CI/CD adoption and engineering workflow improvements. Collaborated closely with Product and business stakeholders during early product discovery and feedback cycles. Facilitated internal workshops on TDD and DevOps practices.

Maintained and enhanced enterprise judicial systems serving public institutions using Java, JBoss/WildFly, TypeScript, and Angular. Resolved complex production incidents and database inconsistencies in PostgreSQL. Used Git and GitLab for version control. Used Jira and SonarQube to ensure code quality.

Developed a marketing campaign full-stack application using PHP and JavaScript, including an admin dashboard with conversion rate analytics. Developed REST and GraphQL APIs using PHP and CodeIgniter framework, including APIs for ZIP code queries, CPF queries, and SMS messaging. Provided customer technical support and used client feedback to improve company websites. Gained experience in requirements analysis, deployment, documentation (BPMN/Camunda), database modeling (MySQL), version control (Git/GitLab), Agile methodologies, SOLID principles, design patterns, Domain-Driven Design, and Onion architecture.

Proposed use of task/time management software to the team. Maintained client websites including Amazon Fantasy, Colégio MaisDOM, Contato Condomínios, Clínica Raquel Viana, FAAM – Faculdade da Amazônia, and Saldosa Maloca.

Conducted mini-courses on HTML, CSS, and JavaScript to contribute to team skill development. Developed and maintained websites and their databases. Managed company computers, printers, and peripherals.

Assisted company clients by solving technical problems during courses offered by EJI.