Sandro Meireles developed the foundational inline agents architecture for the weni-ai/nexus-ai repository, focusing on scalable backend development and Django integration. He designed abstract base classes for agents, adapters, and backends, establishing clear interfaces for agent invocation and team adaptation. Sandro implemented a backend registry to manage multiple backend implementations, laying the groundwork for extensibility and multi-backend support. His work included initial Django scaffolding and environment variable handling to enable flexible runtime configuration and deployment. Using Python and leveraging his expertise in API design and software architecture, Sandro delivered a robust baseline that supports future integration with external services and downstream adapters.