Senior AI Agent Engineer - Production-Grade SaaS

IFS; Staines-upon-Thames; Hybrid; GBP 120,000 - 150,000; Full time

Job summary

IFS in the United Kingdom seeks an experienced backend AI engineer to design the intelligence behind enterprise experiences, focusing on session state, memory, and cross-system retrieval.

You will build multi-tenant, production-grade AI services, including agent orchestration, tool usage, and secure data handling.

Hybrid work options are available, and you will join a global team applying cutting-edge GenAI to real-world services.

Qualifications

• Experience with S2S integration using n8n or Temporal, or MuleSoft/Apache Camel/Boomi.
• Go and Python production backend experience.
• Ability to build multi-tenant SaaS solutions.
• Experience building and scaling AI-native products and GenAI tooling.

Responsibilities

• Build session and memory model, persistence, and context resolution across identity and entitlements.
• Develop retrieval across structured records and documents with acceptable latency and cost.
• Create agentic flows for multi-step work and tool usage.
• Implement evaluation harness to validate AI outputs before shipping.

Skills

Go language

Python

Backend systems

Multi-tenant SaaS

GenAI/product

Latency optimization

Specification-driven dev

APIs & orchestration

DevOps & cloud

Security & data

Tools

n8n

Temporal

MuleSoft

Apache Camel

Boomi

Kong

Tyk

Docker

Kubernetes

CI/CD

Job description

IFS in the United Kingdom seeks an experienced backend AI engineer to design the intelligence behind enterprise experiences, focusing on session state, memory, and cross-system retrieval.

You will build multi-tenant, production-grade AI services, including agent orchestration, tool usage, and secure data handling.

Hybrid work options are available, and you will join a global team applying cutting-edge GenAI to real-world services.