Senior Agentic AI Engineer for Financial Multi-Agent Systems

Citigroup Inc.; Greater London; Hybrid; GBP 120,000 - 170,000; Full time

Job summary

Citigroup Inc. in London seeks a Senior AI Engineer to design and build agentic AI solutions for Funds Transfer Pricing and Financial Hedging. You will lead multi-agent system design and production-grade deployments at global scale.

You will integrate LLMs, planning, and retrieval augmented generation, optimize for low latency, and mentor junior engineers while shaping the AI technical strategy.

Qualifications

• Professional experience in software development and system design.
• Proficiency in Python and SQL with production-quality Agentic AI development.
• Hands-on with frameworks like LangChain, LlamaIndex, or equivalents.
• Experience architecting multi-agent systems using frameworks like Google ADK, LangGraph, AutoGen or CrewAI.

Responsibilities

• Design and orchestrate complex multi-agent systems where autonomous agents collaborate, coordinate, negotiate, and delegate tasks.
• Design and implement advanced planning and reasoning capabilities using knowledge graphs and rule-based/deterministic reasoning.
• Develop resilient agent architectures with feedback-driven improvement and dynamic replanning.
• Integrate LLMs, predictive models, and reasoning frameworks to expand agent capabilities.

Skills

Python

SQL

Agentic AI development

LangChain

LlamaIndex

multi-agent systems

Prompt engineering

Context engineering

Education

Bachelor's degree in Computer Science

Master's degree preferred

Tools

Google ADK

LangGraph

AutoGen

CrewAI

Vector DBs

Job description

Citigroup Inc. in London seeks a Senior AI Engineer to design and build agentic AI solutions for Funds Transfer Pricing and Financial Hedging. You will lead multi-agent system design and production-grade deployments at global scale.

You will integrate LLMs, planning, and retrieval augmented generation, optimize for low latency, and mentor junior engineers while shaping the AI technical strategy.