Alex B. enhanced deployment security and test coverage across two repositories during the month. In Cysharp/ZLinq, Alex developed comprehensive unit tests for the SelectWhere functionality, ensuring correct filtering, handling of empty results, and preservation of order, thereby aligning ZLinq’s behavior with standard LINQ expectations. For suitenumerique/docs, Alex extended Helm chart capabilities by enabling custom serviceAccountName configuration, supporting workload identity federation and removing the need for embedded credentials in Kubernetes deployments. The work demonstrated proficiency in C#, yaml, and DevOps practices, resulting in improved reliability, security posture, and deployment flexibility, with a focus on test-driven development and infrastructure as code.