Worked on enhancing the subscription creation workflow in the dotnet/arcade-services repository, focusing on improving reliability, user feedback, and data integrity. Developed robust validation logic and implemented explicit dependency checks to prevent invalid subscriptions, using C# for backend and API development. Introduced user-friendly warnings and graceful abort mechanisms when prerequisites such as source repositories or target branches were missing, streamlining troubleshooting. Additional guardrails were added to disallow batched subscriptions under certain conditions, preserving data integrity. The work demonstrated a methodical approach to backend engineering and DevOps, consolidating code changes to deliver a more resilient and user-aware subscription process.