Job Description We are seeking a talented Backend Engineer to help us architect and build the next iteration of our AI-powered voicebot and chatbot platform. You will drive the migration from our current PHP / HTTP stack to a modern, scalable, real-time architecture, unlocking new capabilities and performance for our conversational AI products. You’ll collaborate closely with AI engineers, product managers, and the broader engineering team. Responsibilities Architect, develop, and maintain scalable, robust backend services for voice and chat AI applications. Lead the migration from PHP / HTTP to a real-time backend framework. Integrate 3rd party APIs such as Twilio (voice), WhatsApp, ElevenLabs, OpenAI and others. Implement real-time communication features (websockets, streaming), conversation relays, and advanced voice capabilities. Design, build, and maintain multi-agent orchestration frameworks for AI-powered conversations. Collaborate on CI / CD pipelines, ensure robust monitoring, logging, and operational support. Write clear documentation and support knowledge