Sean Gillespie
Developer Experience Engineer at Input Output (IOHK)
Florida, United States
Summary
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RockstarSean Gillespie is a Developer Experience Engineer with 11 years of hands-on experience building full-stack systems, now applied to improving developer workflows at Input Output (IOHK). A specialist in Haskell and product-focused engineering, he brings a strong background in build and release automation, continuous delivery, and JavaScript from roles at Fanatics and Availity. He has progressed from Java development and CI/CD platform work to software architecture, demonstrating an ability to bridge low-level build systems and higher-level product design. Based in Florida, Sean combines pragmatic delivery experience with a developer-first mindset that helps teams ship reliable, production-ready features. Notably, his career arc reflects deep expertise in automation and platform engineering that quietly underpins faster, safer developer velocity.
11 years of coding experience
17 years of employment as a software developer
Github Skills (152)
postgresql10
ada10
cardano10
servant10
haskell-language-server10
haskell10
get-started10
stack10
linux10
chain10
neutrino10
hackage10
golang10
cabal10
lambda10
Programming languages (15)
Github contributions (5)
sgillespie/gibberish
May 2015 - Dec 2019
Contributions:11 releases, 135 commits, 4 PRs in 4 years 8 months
guesspasswordspasswordpassword-generator
sgillespie/cardano-db-sync
Jun 2023 - Apr 2025
A component that follows the Cardano chain and stores blocks and transactions in PostgreSQL
Contributions:3 releases, 684 pushes, 213 branches in 1 year 9 months
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