Senior GenAI Engineer — Remote, Production AI Orchestration

Social You, S.L.; España; Remote; EUR 90,000 - 140,000; Full time

Job summary

Social You, S.L. is seeking a Senior GenAI Engineer to design scalable AI workflows and multi-model orchestration for a cutting-edge coverage analysis platform. You will build end-to-end agentic systems, structure data with Pydantic, and optimize prompts and token usage.

The role requires 5+ years of Python development and 2+ years delivering production systems powered by LLMs, with hands-on LangGraph/LangChain experience and deep LLM fluency. This is a remote role with global collaboration.

Qualifications

• 5+ years of Python development with strong software engineering fundamentals.
• 2+ years building production systems powered by Large Language Models.
• Hands-on experience with LangGraph or similar agentic/orchestration frameworks (LangChain, etc.).
• Deep expertise with Pydantic for structured data modeling and validation.
• Strong understanding of LLM capabilities, limitations, prompt engineering, and evaluation methodologies.
• Production experience with async Python (asyncio, concurrent request handling).
• Ability to design and implement complex system architectures with minimal guidance.

Responsibilities

• Architect GenAI workflows and design end-to-end agentic systems using LangGraph.
• Build robust LLM orchestration with tools like LiteLLM, managing multi-model strategies and cost efficiency.
• Create typed data flows using Pydantic across pipelines and services.
• Evaluate and integrate multiple LLM providers, optimizing latency and output quality.
• Implement logging, tracing and monitoring for AI systems with Langfuse or LangSmith.
• Improve prompt engineering, token usage, and inference efficiency across the platform.
• Collaborate with data scientists, AI engineers, and product teams to refine prompts and deploy systems.

Skills

Python development

LangGraph

LangChain

Pydantic

Async Python

LLM fluency

Architectural thinking

Production mindset

Systems perspective

Ownership

Tools

LangGraph

LangChain

Pydantic

Azure

Job description

Social You, S.L. is seeking a Senior GenAI Engineer to design scalable AI workflows and multi-model orchestration for a cutting-edge coverage analysis platform. You will build end-to-end agentic systems, structure data with Pydantic, and optimize prompts and token usage.

The role requires 5+ years of Python development and 2+ years delivering production systems powered by LLMs, with hands-on LangGraph/LangChain experience and deep LLM fluency. This is a remote role with global collaboration.