Abel Sen

Software Engineer

FPComplete•  June 2022 - May 2023

Maintained and modernized Haskell backend code bases and CI pipelines: ∙ Updated a large Haskell code base to use a newer compiler and dependencies (Stackage LTS-16 to LTS-18) ∙ Addressed linting issues surfaced by HLint on a very large Haskell code base (500K LOC) ∙ Contributed a PR to an upstream Haskell dependency (odd-jobs) ∙ Set up GitHub Actions CI for a complex Haskell library ∙ Overhauled SQL migrations for a cloud-based backend service (Haskell) ∙ Fixed phone number parsing and implemented comprehensive unit and integration tests (Haskell) ∙ Assisted in the transition of a CI system to Concourse CI and contributed to the consolidation of legacy Nix code into pure Bash