Marcus-Emanuel Ardelean enhanced the snyk/cli and snyk/user-docs repositories by delivering five features over two months, focusing on dependency management and developer experience for Java, Kotlin, and Python projects. He upgraded the snyk-python-plugin to improve Poetry support, enabling accurate vulnerability scans and aligning local and CI results. In the snyk/cli repository, Marcus introduced a Maven wrapper skip option and upgraded the snyk-mvn-plugin for better security. He also clarified Gradle configuration and Poetry limitations in documentation. Using JavaScript, Python, and TypeScript, Marcus demonstrated depth in CLI development, testing, and technical writing, addressing real-world developer workflows and security needs.