Backend Engineer - Remote

Overview

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.

In Short

• 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, 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 transfer within the team.
• Work with AI/LLM engineers to facilitate seamless integration of AI modules.

Requirements

• 3+ years of experience in Backend Engineering, preferably in Python, Node.js or similar languages.
• Proven skills in building real-time APIs and familiarity with async programming.
• Strong experience with modern backend frameworks and with AI/ML frameworks.
• Hands-on experience working with LLMs and knowledge of MCP.
• Experience integrating with 3rd party communications APIs.
• Experience with voice technology APIs and speech synthesis.
• Experience in integrating LLMs and exposure to multi-agent architectures.
• Familiarity with database technologies.
• Strong communication and collaboration skills.

Benefits

• 100% remote work, with the option to join our offices in Bologna or Barcelona.
• One extra day off for your birthday.
• Access to iFeel – our mental wellbeing platform.