Focused on enhancing security and developer workflows, this developer delivered four features across the worldcoin/minikit-js and worldcoin/developer-portal repositories. They strengthened end-to-end attestation and verification for Mini-Apps by implementing backend verification endpoints, attestation and close commands, and production-ready verification controls using TypeScript and GraphQL. The CI/CD pipeline was modernized by migrating release workflows to the ubuntu-latest GitHub Actions runner, improving reliability. In the developer portal, they introduced a can_use_attestation flag and implicit credentials support within app metadata, updating the data structure and related tests. These changes improved security governance, streamlined metadata management, and enabled safer, more trusted MiniApp deployments.