Senior AI Platform Engineer - LLM & AWS

GR8_TECH; Spain; Remote; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Remote-first

Learning culture

Team events

Vacation + sick leave

coworking support

Job summary

GR8_TECH is seeking a senior engineer to design, build, and operate production-grade AI agent infrastructure on AWS. You will establish robust orchestration, secure tool execution, and reliable runtime controls to support scalable LLM-powered systems.

You will own from architecture to production support, implementing retries, checkpointing, observability, and cost controls while integrating MCP gateways and LangGraph/LangChain frameworks.

Qualifications

• 5+ years software engineering experience with Python backend.
• Proven experience building and operating production-grade LLM-powered systems.
• Hands-on with agent orchestration frameworks and tool calling.
• Experience with cloud infrastructure (AWS), Docker, and CI/CD.
• Strong understanding of distributed systems and observability.

Responsibilities

• Design, build, and operate production-grade AI agent infrastructure on AWS.
• Develop agent orchestration and durable execution workflows.
• Implement retries, checkpointing, and failure recovery.
• Build secure tool integrations and APIs, with auth controls.
• Own architecture decisions from design to production support.

Skills

Python backend

LLM-powered systems

LangGraph/LangChain

MCP integrations

AWS

Docker

CI/CD

APIs security

system design

observability

Tools

Pydantic

Kubernetes

Job description

GR8_TECH is seeking a senior engineer to design, build, and operate production-grade AI agent infrastructure on AWS. You will establish robust orchestration, secure tool execution, and reliable runtime controls to support scalable LLM-powered systems.

You will own from architecture to production support, implementing retries, checkpointing, observability, and cost controls while integrating MCP gateways and LangGraph/LangChain frameworks.