AI Engineer: Multi-Agent Platform & LLM Infra Lead

Hyre AI Limited; City Of London; Presencial; GBP 90.000 - 130.000; Jornada completa

Descripción de la vacante

Hyre AI Limited is seeking an AI Engineer to join our London-based, on-site team. You will design and evolve multi-agent systems, integrate new tools, and build robust evaluation and observability layers for production-grade GenAI platforms.

You will own AWS infrastructure, CI/CD, and infrastructure as code, while setting technical direction and mentoring junior engineers. A strong focus on security and multitenancy is essential.

Formación

• 3–5 years of software engineering experience.
• 2+ years shipping LLM or GenAI systems in production.
• Strong Python and hands-on agent framework experience.
• Production use of LLM APIs, tool calling and structured outputs, plus RAG skills.

Responsabilidades

• Design and evolve multi-agent systems, including topologies, tool calling and memory management.
• Extend the MCP server with new tools and capabilities.
• Build the eval and observability layer with datasets, regression suites, LLM-as-judge, and cost/latency tracking per model and client.
• Own the AWS infrastructure (ECS Fargate, Lambda, Step Functions, S3, DynamoDB, Bedrock) plus CI/CD and IaC.
• Guard against prompt injection, PII leakage and cross-tenant data access.
• Set technical direction and mentor other engineers.

Conocimientos

Python

LLM production

Software engineering

Agent framework

AWS

System design

Descripción del empleo

Hyre AI Limited is seeking an AI Engineer to join our London-based, on-site team. You will design and evolve multi-agent systems, integrate new tools, and build robust evaluation and observability layers for production-grade GenAI platforms.

You will own AWS infrastructure, CI/CD, and infrastructure as code, while setting technical direction and mentoring junior engineers. A strong focus on security and multitenancy is essential.