El Nadim is a founder and seasoned CTO with 14 years of experience helping startups, scale-ups, and enterprises align product, cloud, and business strategy to scale securely and sustainably. He has led cloud-native transformations and operating-model redesigns across finance, energy, and media, translating C-level vision into concrete architectures, governance and delivery roadmaps. A hands-on engineer early in his career, he rebuilt core systems in Go, designed resilient high-traffic microservices, and contributed backend PubSub enhancements to a well-known XMPP framework. He’s built and scaled engineering teams from small groups to 20+ members while instituting self-service tooling, Zero Trust practices, and career frameworks that empower autonomous leaders. Based in Paris, he combines pragmatic technical depth with strategic advisory experience at firms like Deloitte and Crédit Agricole, making him equally at home in executive forums and in the codebase. An operator who still ships, he’s driven by turning ideas into measurable product impact and building teams that can sustain it.
14 years of coding experience
13 years of employment as a software developer
Math Sup / Math Spé, Math Sup / Math Spé at Fenelon
Contributions summary:El focused on extending the XMPP Framework's PubSub functionality, adding features for publishing and unsubscribing from nodes. They implemented the `publishToNode` function, allowing for the creation of new items within PubSub nodes. The user also introduced new delegate selectors for acknowledging unsubscriptions and publishing events, improving the framework's event handling capabilities. Furthermore, they added methods for retrieving subscriptions and managing node configurations.
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