Guillaume Monnet is a Luxembourg-based full-stack developer and founder with 11 years of experience building web and desktop developer tooling and production APIs. He created Mockoon in 2017, an open-source, cross-platform desktop app that quickly spins up mock APIs and was selected for the GitHub Accelerator in 2023, reflecting its impact in the developer community. Guillaume combines hands-on engineering—from core service architecture to polished UI—with product instincts honed by multiple founder roles and freelance engagements delivering MVPs and enterprise integrations. He has led front-end teams, mentored juniors, and managed AWS-hosted stacks across fintech and marketing platforms, bringing pragmatic DevOps and UX sensibilities to his projects. Notably, his contributions to Mockoon emphasize maintainability and developer experience, such as refining environment handling and cleanup behaviors to keep the tool reliable for local development.
11 years of coding experience
10 years of employment as a software developer
Master's degree Intellectual property, Master's degree Intellectual property at Center for International Intellectual Property Studies - CEIPI
Mockoon is the easiest and quickest way to run mock APIs locally. No remote deployment, no account required, open source.
Role in this project:
Full-stack Developer
Contributions:95 releases, 177 reviews, 575 commits in 5 years 7 months
Contributions summary:Guillaume's contributions focused on enhancing the functionality and maintainability of the Mockoon application, primarily targeting the application's core services and user interface components. Their commits demonstrate a deep understanding of the application's architecture, including the service layer, the user interface, and the handling of environment and route configurations. The user implemented features such as logging environment deletion, removing unused code, and refining object properties reset during environment duplication.
Mockoon application official website repository and documentation
Contributions:1 release, 9 reviews, 384 commits in 4 years 11 months
apimock-apimock-serverprototypingmocking
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