End-to-End AI Full-Stack Engineer (LLM on AWS)

Hyre AI Limited; City of Westminster; On-site; GBP 65,000 - 95,000; Full time

Job summary

Hyre AI Limited in Central London is seeking an AI Full Stack Engineer to own end-to-end LLM features, from concept to production. You will build agents, evaluators, data pipelines, and run the cloud stack on AWS with a focus on reliability.

You should have 3-5 years as a software engineer, strong Python, and hands-on experience with LLM APIs and at least one agent framework. This role is in-person in London with AWS and CI/CD duties.

Qualifications

• 3-5 years as software engineer with production shipping experience.
• Experience shipping LLM/GenAI features to users.
• Right to work in the UK.

Responsibilities

• Build and ship LLM-powered features from idea to production across agents, APIs and infrastructure.
• Extend the multi-agent platform with tool calling, memory, and context management.
• Maintain AWS stack (ECS Fargate, Lambda, Step Functions, S3, DynamoDB, Bedrock) with CI/CD and IaC.

Skills

Python

LLM APIs

Agent frameworks

AWS services

CI/CD

Tools

LangGraph

CrewAI

OpenAI Agents SDK

Claude Agent SDK

Bedrock

Job description

Hyre AI Limited in Central London is seeking an AI Full Stack Engineer to own end-to-end LLM features, from concept to production. You will build agents, evaluators, data pipelines, and run the cloud stack on AWS with a focus on reliability.

You should have 3-5 years as a software engineer, strong Python, and hands-on experience with LLM APIs and at least one agent framework. This role is in-person in London with AWS and CI/CD duties.