Worked on enhancing the reliability of batch processing in the IBM/sarama repository, focusing on backend development with Go. Addressed a critical issue where consumers could stall when encountering zero-record batches by ensuring the next offset in fetch responses was correctly advanced. This targeted bug fix allowed uninterrupted batch processing and improved throughput predictability, particularly in high-volume streaming pipelines. The solution was validated through focused tests and continuous integration checks, maintaining performance across standard batch scenarios. Emphasized code clarity and adherence to project guidelines, resulting in more stable and maintainable batch processing logic for Go-based backend systems handling streaming data.