Dimitri MORVAN BRAHIM's Articles on Martech Zone
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Dimitri MORVAN BRAHIM
Dimitri MORVAN BRAHIM is a Senior Product Manager with 10+ years of experience in travel tech and e-commerce, specializing in B2C mobile apps, conversion rate optimization, and product-led growth. He is the solo founder of Simsima, a Barcelona-based travel eSIM marketplace covering 190+ countries — built end-to-end using generative AI tools. He writes about AI-native product development, growth loops, and building in public.
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Dimitri MORVAN BRAHIMAug 9, 2026I’m a Product Manager Who Built a Travel-Tech Startup Solo — Using AI as My Engineering Team
The €300 roaming bill — and why I was uniquely placed to fix it A few years ago, I landed in Istanbul and turned on my phone. Two days later, I had a €300 roaming bill from my carrier. I…