Edward enhanced the encord-team/encord-client-python SDK by implementing robust API rate-limiting handling. He introduced a dedicated RateLimitExceededError in Python to explicitly signal when requests are blocked, addressing silent failures and improving error transparency. By parsing the Retry-After header, Edward enabled the SDK to provide actionable backoff guidance, allowing client applications to automatically adjust retry timing. This approach improved the resilience and reliability of API integrations, making it easier for developers to build production-grade workflows. His work demonstrated strong skills in API integration, error handling, and SDK development, resulting in a more predictable and user-friendly experience for downstream applications.