Conversational AI Engineer: Chatbots & Voicebots (Hybrid)

M47 Labs

Barcelona

Híbrido

EUR 45.000 - 75.000

Jornada completa

14 días+

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Ventajas ofrecidas por este puesto de trabajo

Private medical insurance

Learning budget

Urban Sports access

Coverflex perks

Descripción de la vacante

M47 Labs is seeking a Conversational AI Engineer to own the full lifecycle of enterprise client projects, from prompt engineering and knowledge base design to system integration and voice pipeline configuration.

You will design, build, and optimize chatbot and voicebot solutions, ensuring context-aware responses and seamless integrations. Hybrid work from Barcelona, with a focus on performance, safety, and collaboration across teams.

Formación

2–3 years of experience with Agentic AI for chatbots and voicebots.
Experience with AI models for chatbots or voicebots.
Experience with model evaluation, tuning, and deployment.
Knowledge of conversational AI platforms (Cognigy or equivalent).
Experience with STT and TTS systems.

Responsabilidades

Design, build, and improve chatbot and voicebot solutions using LLMs, NLU models, and agentic AI frameworks.
Engineer prompts and structure knowledge bases to ensure accurate, context-aware responses across diverse user intents.
Build and maintain system integrations across platforms using APIs and data pipelines for end-to-end automation.
Configure and optimize STT/TTS systems for high-quality voice performance and telephony integration.
Implement AI safeguards and governance for safe, reliable model behavior.
Monitor model performance and drive optimization without waiting to be asked.
Document architectures, configurations, and deployment procedures for transparency and reproducibility.
Collaborate with product, engineering, and business stakeholder teams to align solutions with client goals.