Ishwar Pandeya enhanced the Java error handling documentation for SMS notifications in the alphagov/notifications-tech-docs repository. Focusing on improving developer experience, Ishwar rewrote code samples from Python to Java, clarified error structures, and updated method names and exception details to better illustrate how to access HTTP results and error messages. By aligning the documentation with current API behavior, Ishwar aimed to streamline onboarding and reduce support queries. The work demonstrated a strong grasp of API integration, technical documentation, and error handling, with careful attention to detail and accuracy. The updates provided clear, actionable guidance for Java developers integrating SMS notifications.