Arselan Sultani worked on the navikt/dp-soknad repository, focusing on improving deployment reliability and operational clarity. He enhanced API error logging in Kotlin to capture IllegalArgumentException messages, making it easier to trace and debug bad requests. To streamline the release process, he optimized the CI/CD pipeline using GitHub Actions and YAML, ensuring that production deployments depend on successful development deployments. Additionally, he cleaned up API log messages to reduce noise and improve readability. Over the course of a month, Arselan delivered targeted improvements that increased observability and efficiency, demonstrating depth in backend development and workflow automation.