Karthik Reddy Maru focused on backend reliability improvements for the kestra-io/kestra repository, addressing a bug in task execution tracking. He delivered a targeted fix to ensure ExecutionUpdatableTask accurately records all state transitions and calculates durations correctly, which improved the accuracy of state history and UI displays. Using Java, he refactored the execution state handling logic to simplify maintenance and reduce the risk of future regressions. Karthik also updated the test suite to assert correct state transitions, enhancing confidence in continuous integration. This work improved dashboard accuracy, supported SLA reporting, and reduced debugging time for state-related issues in production.