Sebastian Rindom, Oliver Juhl and Nicklas Gellner founded Medusa in Copenhagen in 2021 after years of frustration building on legacy e-commerce platforms. All three had careers in e-commerce spanning software engineering and consulting at McKinsey, and had seen first-hand how monolithic platforms like Magento and Salesforce Commerce Cloud made even simple customisations painful and expensive. The catalyst came when Rindom and Juhl needed to scale a client from two to fifty global markets on an existing platform and had to hack around its limitations to make it work. That workaround delivered a 70 per cent increase in conversion for the client, and became the foundation for Medusa.

Medusa is now the most popular open-source commerce platform on GitHub, with over 29,000 stars. Its modular, open architecture gives developers full access to the underlying commerce logic, meaning every component, from cart to checkout to customer accounts, can be independently customised or replaced. The platform provides advanced commerce modules for product management, orders, payments, promotions, pricing and multi-channel selling, alongside a customisable admin dashboard and a developer framework for building bespoke extensions. Recently, Medusa has moved into AI-native commerce with the launch of Bloom, which lets users build and customise stores through conversational AI. The platform's open architecture also makes it uniquely well-suited for AI agents, which can create entirely new commerce modules through natural language prompts because they have complete access to the underlying code.