Worked across OpenClaw, Weaviate, and Faiss repositories to deliver improvements in plugin reliability, security, and memory management. Developed a symlink-based peer dependency linking system in OpenClaw, enabling plugins to access core packages at runtime while ensuring installation security by integrating pre-symlink security scans. In Weaviate, addressed search correctness by refining float normalization, date handling, and document ID management for robust indexing and retrieval. Resolved a memory leak in Faiss’s Python bindings by adjusting SWIG usage to prevent improper pointer wrapping. Leveraged C++, Go, and Node.js, with a focus on backend development, file system operations, and rigorous unit testing.