• Design and develop robust, scalable, high-performance backend solutions with high concurrency; • Analyze and translate functional requirements into clear technical specifications, ensuring consistent, high-quality deliveries; • Implement and maintain distributed microservices with horizontal scalability; • Create and maintain technical documentation (designs, APIs, workflows, and manuals when necessary); • Develop and execute unit, integration, and performance tests; • Implement functional and load testing routines for microservices; • Actively participate in code reviews, ensuring adherence to established best practices and standards; • Perform evolutionary and corrective maintenance of solutions; • Troubleshoot complex incidents in distributed environments; • Collaborate with the engineering team, promoting knowledge sharing and continuous technical growth.

• Provide technical leadership to the development team, acting as the reference for code standards, best practices and architecture; • Serve as the primary technical contact with the client's Tech Lead, co-leading architectural decisions and ensuring alignment between teams; • Define, propose and document backend architectural decisions, including decomposition into bounded contexts, REST endpoint design, service communication contracts (Pub/Sub, synchronous HTTP) and database migration strategies; • Actively participate in the Discovery phase, validating the decomposition of the monolith into bounded contexts, identifying implicit couplings and mapping tables to PostgreSQL schemas; • Design, develop and evolve RESTful APIs and backend services using .NET 8 and C#, acting as a hands-on developer on critical features within the most complex bounded contexts; • Ensure implementation of hexagonal architecture (ports & adapters).

• Atuar no desenvolvimento e redesenho acelerado das funcionalidades de Renegociação, com base na documentação gerada e no ArchType; • Realizar a modularização lógica e o encapsulamento das regras de negócio migradas do COBOL; • Executar a curadoria e revisão do código gerado pelos agentes de IA (AI/Cockpit), garantindo qualidade, performance e aderência aos padrões técnicos; • Redesenhar integrações com sistemas externos por meio de APIs REST, mensageria com Kafka e geração de arquivos; • Participar ativamente das cerimônias ágeis e das atividades de validação de equivalência funcional.

• Develop and maintain APIs and microservices in Python; • Design and implement scalable backend solutions on Amazon Web Services (AWS); • Build and evolve data pipelines and integrations between systems; • Implement event-driven architectures; • Participate in defining the architecture and technical design of solutions; • Ensure development best practices, including clean code, design patterns and TDD; • Support the control, refinement and evolution of the technical backlog.