Professional Experience - ANBIMA/Selic (Agreement with the Central Bank of Brazil)

About ANBIMA

ANBIMA (Associação Brasileira das Entidades dos Mercados Financeiro e de Capitais) is the main association for the Brazilian financial market, representing financial institutions, asset managers, brokerages, distributors, and other capital market entities.

Main Activities of ANBIMA

• Regulation and Self-Regulation: Develops and enforces conduct standards and best practices for the financial market
• Professional Certifications: Offers market-recognized certifications (CPA-10, CPA-20, CEA, etc.)
• Education and Training: Promotes financial education and professional development
• Institutional Representation: Represents the sector in dialogues with regulators and government
• Research and Studies: Produces studies and research on the Brazilian financial market

About Selic (Special System for Settlement and Custody)

Selic is the system operated by the Central Bank of Brazil for recording, custody, and settlement of transactions with federal government bonds. It is one of the most critical systems in Brazil’s financial infrastructure.

Main Functions of Selic

• Custody of Bonds: Safekeeping and administration of federal government bonds
• Settlement of Transactions: Processing and settlement of bond transactions
• Trade Registration: Registration of all transactions performed in the system
• Selic Rate: Basis for calculating Brazil’s benchmark interest rate
• Critical Infrastructure: Essential system for the functioning of the financial market

Importance in the Financial System

• Critical system for the Brazilian economy
• Basis for the benchmark interest rate (Selic Rate)
• Essential infrastructure for the government bonds market
• Operated and supervised by the Central Bank of Brazil

About the Central Bank of Brazil (BCB)

The Central Bank of Brazil is the monetary authority and regulator of the national financial system, responsible for ensuring price stability and the soundness and efficiency of the financial system.

Main Responsibilities

• Monetary Policy: Controlling inflation and price stability
• Financial Regulation: Supervising and regulating financial institutions
• Payment Systems: Operating and supervising payment systems
• Reserve Management: Managing international reserves
• Currency Issuance: Controlling currency issuance

Agreement Context

The work is carried out through an agreement between ANBIMA and the Central Bank of Brazil, enabling participation in projects involving Brazil’s financial infrastructure, especially related to Selic and coordination across market entities.

Experience at the Company

1. Fullstack Developer Intern

Period: April 2025 - April 2026 | Rio de Janeiro, RJ | Hybrid

Modernizing Critical Financial Infrastructure

Selic Mainframe Migration to Java:

• Working on migrating the Selic system from mainframe (COBOL) to modern Java architecture (Novo-Selic)
• System is critical to the Brazilian economy and underpins the benchmark interest rate
• Development in a high-responsibility, nationally impactful environment

Full-Stack Development:

• Backend: Java with Spring Framework and Spring Boot
• Frontend: Angular for modern, responsive UIs
• Modern architecture following Clean Architecture and best practices
• Scrum team collaboration with agile methodologies

Observability and Monitoring:

• Implementing a full observability stack:
  • Prometheus: Metrics collection
  • Grafana: Visualization and dashboards
  • Spring Actuator: Health checks and app metrics
  • Micrometer: Custom metrics
  • Blackbox Exporter: Monitoring external endpoints
  • Alertmanager: Alert management
• Performance metrics analysis and health checks for critical systems
• Real-time monitoring of high-criticality systems

DevOps and Containerization:

• Docker for application containerization
• CI/CD pipelines for automated deployments
• Branch versioning with GitLab for collaboration
• Automated deployment practices and versioning

Data Management:

• Containerized Oracle Database
• Schema versioning with Liquibase
• SQL scripts for migrations and maintenance
• Data management in a critical environment

Technologies Used:

• Java, Spring, Spring Boot
• Angular
• Oracle Database
• Liquibase
• Docker
• Prometheus, Grafana
• GitLab CI/CD

2. Intern - Projects / Governance

Period: April 2024 - April 2025 | Rio de Janeiro, RJ | Hybrid

Project Management and Governance

Project Management:

• Managing development lifecycle of deliverables
• Executive reporting and tracking of strategic initiatives
• Alignment with PDTIC (IT master plan)
• Oversight of financial infrastructure projects

Business Intelligence:

• Building interactive Power BI dashboards (DAX)
• Visualizing KPIs to support executive decision-making
• Strategic data analysis
• Automated management reporting

Corporate Web Development:

• Custom SharePoint webparts
• JavaScript, HTML, CSS for tailored interfaces
• SharePoint API integration for corporate governance
• Solutions for document management and collaboration

C-level Solutions:

• Building document and institutional news showcases
• Solutions for Central Bank and ANBIMA leadership
• Executive interfaces for strategic information

Management Frameworks:

• Practical application of PMI (Project Management Institute)
• Agile methodologies
• MPS.BR (Brazilian Software Process Improvement)
• CMMI (Capability Maturity Model Integration)
• Standardization and continuous process improvement

Knowledge Management:

• Creating strategic content
• Low-code/no-code solutions (Notion)
• Business continuity and documentation
• Sharing organizational knowledge

Technologies Used:

• Power BI, DAX
• JavaScript, HTML, CSS
• SharePoint API
• Notion

Achievements and Learnings

Professional Development

• Experience in a high-level, high-responsibility institutional environment
• Deep understanding of the Brazilian financial system
• Understanding of regulatory and institutional processes
• Growth of technical and managerial skills
• Work on systems critical to the national economy

Technology Application

• Practical application of technology in critical institutional settings
• Experience modernizing legacy systems
• Building solutions for high-criticality systems
• Integration between technology and financial processes
• Implementing observability for critical systems

Sector Knowledge

• Understanding Brazilian financial infrastructure
• Knowledge of how Selic operates
• Understanding Central Bank processes
• Familiarity with financial regulation
• Experience in migrating critical systems

Impact and Contributions

Systems Modernization

• Contributing to migration of a critical system (Selic)
• Applying modern technologies in institutional environments
• Implementing full observability
• Building solutions for high-criticality systems

Management and Governance

• Supporting strategic financial infrastructure projects
• Creating executive dashboards and reports
• Developing solutions for C-level stakeholders
• Applying management frameworks and continuous improvement

Learning and Growth

• Building expertise in critical financial systems
• Understanding complex institutional processes
• Experience in high-responsibility environments
• Professional growth in a technically excellent setting