Tags: enterprise

H-E-B Successfully Migrates Mainframe to Haskell

Dev

H-E-B Successfully Migrates Mainframe to Haskell

Texas-based retail giant H-E-B has transitioned from COBOL mainframes to Haskell, now running approximately one million lines of production Haskell code. Engineers share insights on the project’s journey and challenges.

July 18, 2026

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