Senior AI Engineer: Enterprise Chatbot & Voicebot Lead

M47 - AI Company; Barcelona; Híbrido; EUR 90.000 - 120.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Private medical insurance

Flexible remuneration: Coverflex (meas

Meals

Gym pass

Transport

Kindergarten

Learning budget

Urban Sports

TaxDown

Descripción de la vacante

M47 in Barcelona is seeking an experienced AI engineer to lead a key enterprise project. You will own the full lifecycle—from prompt engineering and knowledge base design to system integration and performance optimization.

You will design and build chatbot and voicebot solutions using LLMs and agentic AI frameworks, engineer prompts, and ensure robust deployments across platforms. Join a fast-changing team focused on safety, governance, and client outcomes.

Formación

• At least 5 years of solid, relevant experience working with Agentic AI for both 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 speech technologies: STT and TTS systems.
• Model deployment and integration skills, including APIs and system integrations.
• Ability to monitor, evaluate, and optimize AI models for performance, scalability, and reliability.
• Understanding of AI safety, bias mitigation, and ethical practices in conversational AI.

Responsabilidades

• Design, build, and continuously 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 to enable seamless end-to-end automation.
• Configure and optimize STT/TTS systems for high-quality voice performance and smooth telephony integration.
• Implement AI safeguards and governance measures to ensure safe, reliable, and unbiased model behavior.
• Proactively monitor model performance, identify gaps, and drive optimization without waiting to be asked.
• Document architectures, configurations, and deployment procedures to ensure transparency and reproducibility.
• Collaborate with product, engineering, and business stakeholder teams to align solutions with client goals.

Conocimientos

Agentic AI

Chatbot/Voicebot dev

Model evaluation

APIs and integrations

Documentation

Cross-functional collab

English proficiency

Herramientas

Cognigy

STT/TTS tech

Descripción del empleo

M47 in Barcelona is seeking an experienced AI engineer to lead a key enterprise project. You will own the full lifecycle—from prompt engineering and knowledge base design to system integration and performance optimization.

You will design and build chatbot and voicebot solutions using LLMs and agentic AI frameworks, engineer prompts, and ensure robust deployments across platforms. Join a fast-changing team focused on safety, governance, and client outcomes.