Core banking infrastructure for ACH and check payment rails. Previously worked on data engineering for Risk. Using Haskell, PostgreSQL, Rust, Nix, TypeScript.

Member of the developer productivity team. Built and maintained developer tools, CI + CD + merge queue, and other internal infrastructure, using Haskell and Nix + NixOS.

Built and maintained internal tooling written in Haskell for schema migrations, data migrations, and CI automations; and worked on a large single-page application written in Elm.