Backend Engineer

Job Description We are seeking a talented Backend Engineer to help us architect and build the next iteration of our AI‑powered products. You will drive the innovation of our AI integration and build modern, scalable, real‑time architecture, unlocking new capabilities and performances, starting from 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, starting from our voice and chat AI applications. Experiment with new technologies to achieve real‑time and seamless integrations, implementing POCs to try the latest trends in AI environment, partnering with AI/LLM engineers. Integrate third‑party API integration such as Twilio (voice), WhatsApp, ElevenLabs, OpenAI and others. Implement real‑time communication features (websockets, streaming), conversation architectures, and advanced voice capabilities. Design, build, maintain, and improve 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. What to Expect in Your Journey With Us Your First Week: Set up your development environment Participate in onboarding sessions Start exploring our product and familiarize yourself with the team Your First Month: Gain familiarity with our workflows and processes Tackle and resolve support tickets Develop, test, and deploy your first feature to production Monitor the feature’s performance and impact After Three Months: Achieve deep understanding of our AI system integration Deliver three to five new features to production Identify opportunities for product improvements and have some of your proposals scheduled for upcoming development cycles After Six Months: Collaborate closely with our AI/LLM engineering team Research and assess integration of new frameworks and ideas into our architecture Build and present proof of concepts (POCs) to demonstrate the potential impact of adopting this new technology Qualifications Must‑have: 3+ years of experience in OOP Backend Engineering Proven skills in building real‑time APIs (websockets, streaming, etc.) and familiarity with async programming Hands‑on experience integrating LLMs (preferably OpenAI), knowledge of MCP and exposure to multi‑agent architectures Experience integrating with third party communications APIs. Previous experience with Twilio and/or Whatsapp is highly desirable Experience with database technologies (SQL and NoSQL), caching techniques and performance tuning Experience with automated testing tools at various levels (unit testing, integration testing, e2e testing) Strong communication and collaboration skills Nice‑to‑have: Experience working with containerization (Docker) and cloud infrastructure (AWS, GCP, or Azure). Experience with conversational AI frameworks (chatbot, voice assistant) and with AI/ML frameworks (LangChain, LangGraph) Experience integrating with third‑party communications APIs. Previous experience with Twilio and/or Whatsapp is highly desirable. Previous work migrating legacy systems to modern stacks. Experience with real‑time speech processing, TTS/STT, and telephony systems and PBXs (Asterisk, FreePBX, etc.) Additional Information What we offer: We value a healthy work‑life balance and long‑term growth. Benefits vary by location, but here’s what you can expect: Shared 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 Italy‑specific €8/day meal vouchers – lunch is covered if you're in the Bologna office Private health coverage via Metasalute Spain‑specific Comprehensive private health insurance with Adeslas Flexoh – flexible compensation platform Wellhub – gym & wellness network membership Language courses How does the recruitment process work? Online test – online async exercise to get a first sense of your tech skills. HR interview – a friendly chat to get to know you, your motivations, and tell you more about Tuotempo, our culture, and the team. Technical interview – with our Tech Managers, including practical exercises to evaluate your approach and problem‑solving skills as a developer. Final interview — a broader conversation to align on expectations and future growth. If it’s a match, we’ll move forward with the offer #J-18808-Ljbffr