Worked on the containerd/containerd repository to address a checkpoint restoration inefficiency in containerized environments. Developed and delivered a targeted bug fix in Go that checks for the presence of a base image in the local cache before attempting a network pull during restore operations. By leveraging containerization and system programming expertise, this change reduced unnecessary network traffic and improved restore times when images are already cached. The patch enhanced containerd’s caching strategy, supporting more reliable failover and faster recovery in production scenarios. The work demonstrated a strong focus on runtime infrastructure performance and a methodical approach to debugging and patch delivery.