Senior AI Engineer: Production LLM & Multi-Agent Systems

Wizeline; Barcelona; Presencial; EUR 70.000 - 110.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Flexible and collaborative culture

Professional development

Total rewards

Descripción de la vacante

Wizeline seeks an experienced ML/AI engineer to architect and ship end-to-end AI-powered tools for business use cases. You will design AI-agnostic services, build production-grade content transformation tools, and develop RAG pipelines with vector databases.

You’ll deploy LLMs and multi-agent systems, leveraging LangChain and cloud platforms, while collaborating with leadership to measure impact. Responsibilities cover the full stack from AI core services in Python/TypeScript to front-end

Formación

• Bachelor's or Master's degree in CS/Engineering/Data Science or related field.
• 4+ years of industry experience in ML/AI engineering or related software engineering role.
• Strong programming skills in Python and/or TypeScript/Node.js.
• Hands-on experience deploying LLMs in production and architecting multi-agent systems.
• Practical experience with LangChain ecosystem.
• Full-stack capability across front-end and cloud back-end.

Responsabilidades

• Architect and ship end-to-end AI tools for business-facing use cases.
• Design AI-agnostic services with model swapping capability.
• Build production tools to transform raw content into structured output.
• Develop and maintain RAG pipelines and vector DB integrations.
• Establish and scale prompt evaluation and regression-control frameworks.
• Take AI features from PoC to end-user production tools across the stack.
• Collaborate with stakeholders and leadership to measure impact and iterate.
• Extend architectures to onboarding new use cases via configuration.
• Stay current on GenAI/NLP/ML and cloud infrastructure practices.

Conocimientos

Python

TypeScript/Node.js

LLM deployment

Multi-agent systems

Front-end / React/Vue

Educación

Bachelor's or Master's in CS/Engineering/Data Science or related

Herramientas

LangChain

LangGraph

LangSmith

Vector DBs

Docker

AWS/GCP

Descripción del empleo

Wizeline seeks an experienced ML/AI engineer to architect and ship end-to-end AI-powered tools for business use cases. You will design AI-agnostic services, build production-grade content transformation tools, and develop RAG pipelines with vector databases.

You’ll deploy LLMs and multi-agent systems, leveraging LangChain and cloud platforms, while collaborating with leadership to measure impact. Responsibilities cover the full stack from AI core services in Python/TypeScript to front-end