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Mid AI Engineer

Barcelona, ES💼 Full-time🗓 2026-06-29 → 2026-09-11

Core

Architecting agentic workflows and governing complex states in LLM systems to build advanced AI systems beyond standard chat interfaces.

Role type

Mid-Level AI Engineer (Agentic Workflows & LLM Systems)

Builds

Advanced AI systems with agentic workflows, RAG pipelines, and automated evaluation frameworks.

Domain

eCommerce data intelligence, Generative AI, LLM orchestration

Deliverable

production ML models

Required skills

Python (async, FastAPI, Pydantic), LLM application deployment, LangGraph/CrewAI/Vertex AI Agent Builder, conversational state management, CI/CD for AI, prompt engineering (Few-shot, CoT, ReAct), RAG pipeline construction, vector database management, automated evaluation of hallucination/groundedness

Preferred skills

LangChain/LangGraph, prompt optimization

Technologies

Langchain, LangGraph, CrewAI, Vertex AI Agent Builder, FastAPI, Pydantic, vector databases

Responsibilities

Design and implement multi-step AI workflows using Langchain/LangGraph; Develop and version-control advanced prompts and reasoning patterns; Build and maintain RAG pipelines including document parsing and embedding optimization; Establish automated evaluation frameworks for LLM outputs.

Seniority

Mid-Level, hands-on IC

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