During September 2025, Justin Joseph enhanced data integration and reliability across the apache/opendal and risingwavelabs/risingwave repositories. He implemented S3 rate limiting handling by mapping HTTP 429 responses to a retryable RateLimited error, improving error handling for S3-compatible services. In risingwave, he added Avro enum type support to the Kafka sink, updating the Avro encoder to map varchar values to enum symbols and expanding integration tests for various enum scenarios. Working primarily in Rust and Shell, Justin focused on backend development and cloud services integration, delivering well-tested features that improved data pipeline resiliency and interoperability for production environments.