Backend Engineer

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

Qualifications :

Must-have:

• 3 years of experience in Backend Engineering preferably in Python or similar languages
• Proven skills in building real-time APIs (websockets streaming etc.) and familiarity with async programming.
• Strong experience with modern backend frameworks (FastAPI Flask Django etc.) and with AI/ML frameworks (Langchain Langgraph)
• Hands-on experience working with LLMs (preferablyOpenAI) and knowledge of MCP.
• Experience integrating with 3rd party communications APIs. Previous experience with Twilio and/or Whatsapp is highly desirable.
• Experience with voice technology APIs and speech synthesis (e.g. ElevenLabs Google TTS). Experience with conversational interfaces is highly desirable.
• Experience in integrating LLMs and exposure to multi-agent architectures.
• Familiarity with database technologies (SQL and NoSQL).
• Strong communication and collaboration skills.

Nice-to-have:

• Experience working with containerization (Docker) and cloud infrastructure (AWS GCP or Azure).
• Experience in CI/CD DevOps processes and testing tools.
• Previous work migrating legacy systems to modern stacks.
• Experience with conversational AI chatbots or voice assistants
• 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 heres what you can expect:

Shared benefits

• 100% remote work with the option to join our offices in Bologna or Barcelona
• Stock options plan after 6 months
• One extra day off for your birthday
• Access to iFeel our mental wellbeing platform

Italy-specific

• 8/day meal vouchers lunch is covered if youre 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

1. Online test online async exercise to get a first sense of your tech skills.
2. HR interview a friendly chat to get to know you your motivations and tell you more about Tuotempo our culture and the team.
3. Technical interview with our Tech Managers including practical exercises to evaluate your approach and problem-solving skills as a developer.
4. Final interview a broader conversation to align on expectations and future growth. If its a match well move forward with the offer!

Remote Work :

Yes

Employment Type :

Full-time