Worked on scalable backend features and system optimizations across Eventual-Inc/Daft and volcengine/OpenViking. Delivered a configurable minimum CPU parameter for Ray tasks in Daft, replacing hardcoded values to improve resource utilization and parallelism. Enhanced build reliability by adding a Makefile clean target, ensuring Python-Rust interface changes are consistently rebuilt. In OpenViking, implemented resource ingestion enhancements with optional indexing and summarization, refactoring embedding metadata handling for better scalability and maintainability. Leveraged Python, Rust, and Makefile to manage distributed systems, asynchronous programming, and data processing, focusing on flexible APIs and efficient build systems to support large-scale, cost-effective deployments.