How Strand improved software maintainability using the Gleam programming language in production

Summary

This case study examines how Strand, a London-based marketing agency specializing in content creation for enterprise tech companies, adopted the Gleam programming language for their custom project management system. The article focuses on how Gleam's design principles—particularly its emphasis on maintainability, strong typing, and functional programming patterns—helped Strand improve their codebase's long-term sustainability. It discusses the challenges of managing financial aspects of project management manually, and how Gleam's features (such as pattern matching, immutable data, and the actor model) enabled the team to build more reliable and maintainable software for their business operations.