Over a two-month period, contributed to both expressvpn/wolfssl-rs and Shopify/nixpkgs by delivering three features focused on system programming and package management. In expressvpn/wolfssl-rs, implemented the WolfSSL Session Direct Slice IO API in Rust, enabling direct slice-based IO with try_read_slice and try_write_slice methods to streamline data transfer and reduce buffer overhead in TLS sessions. For Shopify/nixpkgs, enhanced configuration management by adding contributor metadata and initializing the gpx-animator package, creating a robust Nix derivation that fetches sources, manages dependencies, and installs a runnable JAR. Work demonstrated proficiency in Rust, Nix, build system configuration, and low-level programming.