During March 2025, Majingjing contributed to the espressif/developer-portal repository by authoring comprehensive documentation for the ESP-Audio-Effects library and its GMF integration. Focusing on developer onboarding, Majingjing produced a detailed blog post that outlined the library’s features, data layout, API style, and integration patterns, clarifying expectations for downstream teams. The work leveraged Markdown for technical writing and documentation, with a strong emphasis on API clarity and audio processing concepts. By aligning documentation with actual product capabilities, Majingjing improved transparency and accelerated adoption among smart-device developers, demonstrating depth in both technical communication and understanding of audio library integration workflows.