Worked on the influxdata/telegraf repository to deliver batch serialization support for the NATS output plugin, focusing on improving encoding efficiency and metric throughput. The approach involved introducing a new use_batch_format configuration option, updating the NATS struct, and extending the Write method to handle batch encoding. Comprehensive unit tests were added to verify the reliability of batch serialization across the Write path. This work leveraged Go for plugin development, configuration management, and serialization, addressing the need for reduced per-item overhead and enhanced scalability when exporting metrics to NATS. The changes enable more efficient and scalable metric export in production environments.