Worked on improving the stability and reliability of the aws-greengrass/aws-greengrass-lite project by addressing a critical startup ordering issue in the TokenExchangeService. Focused on service management and systemd, the developer analyzed and resolved a bug related to systemd unit dependencies, ensuring that services start in the correct sequence and reducing the risk of race conditions during deployment. The solution involved updating plaintext systemd configuration files and providing clear documentation for the changes. Through peer review and careful testing, the work enhanced the predictability and reliability of service startup, contributing to smoother deployments across dependent components in the repository.