Worked on improving code generation correctness in the palantir/conjure-rust repository, focusing on handling external alias types in API headers and query parameters. Addressed a bug by implementing an is_aliased() helper in Rust, which accurately resolves alias types and prevents incorrect encoding wrappers during codegen. This solution updated both client and server generation paths, ensuring that external types are properly managed and reducing potential runtime encoding issues. The work demonstrated proficiency in backend development and API design, contributing to more reliable generated APIs and reflecting a thoughtful approach to cross-team collaboration and maintainability within a complex Rust codebase.