Senior Backend Engineer, Backend Platform (PHP and Python)

Manychat·Barcelona, Spain·Remote·Posted 6 November 2026

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About the role

WHO WE ARE 🌍 Creating content that resonates is great — turning that attention into growth is even better. That's what Manychat does. Our AI-powered automations help creators and brands engage with audiences across Instagram, Messenger, WhatsApp, and TikTok — at the right moment, with the right message, minus the manual work. We're 400+ people across three continents behind the leading platform for conversational growth, with AI skills shaping how we build, how we work, and how we grow. WHO WE'RE LOOKING FOR 🌟 Want to own how the backend works for everyone, not just one corner of it? We’re looking for a Senior Backend Engineer who works across PHP and Python and wants a say in the bigger picture. You’ll lead company-level projects like our Auth Service: one authorization layer for PHP and Python, so Python products can handle their traffic directly instead of going through PHP. When things are unclear, you’ll research first, weigh the trade-offs and write them down. Then you’ll ship in small, safe steps. You’ll also decide where code should live based on what’s best for the system, not on which language you know best. Product teams will come to you for advice, reviews,…

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