Senior AI Agent Engineer — Hybrid (VP Level)

Citi; Greater London; Hybrid; GBP 110,000 - 150,000; Full time

Benefits offered by this job

27 days annual leave

Discretional annual bonus

Private Medical Care & Life Insurance

Employee Assistance Program

Pension Plan

Paid Parental Leave

Special discounts for employees

Job summary

Citi London is seeking a Senior Forward Deployed Engineer to embed within line-of-business squads and deliver production-grade agent reasoning, tool integrations, data pipelines, and resilient workflows. You will write modular Python, Java or Go, integrate with enterprise systems, and ensure security and quality standards.

Join a hands-on, hybrid role with direct business collaboration and a focus on rapid delivery.

Qualifications

• 7+ years of professional software engineering experience.
• 4+ years of strong, professional Python, Java, or Go proficiency.

Responsibilities

• Develop production-grade agent reasoning logic and dynamic tool calling.
• Build and maintain MCP servers and API connectors for enterprise systems.
• Develop Retrieval-Augmented Generation (RAG) components and embeddings workflows.
• Implement resilient error handling, retry mechanisms, and HITL escalation triggers.
• Create deterministic validation layers using Pydantic and JSON Schema.
• Integrate real-time AI guardrail policies for prompt safety and redaction.
• Collaborate with business users to capture domain logic and edge cases.
• Participate in agile sprints and code reviews to ensure quality.

Skills

Python programming

Java

Go

REST APIs

GRPC

Structured prompts

Prompt engineering

Education

Bachelor's degree

Master's degree

Tools

Docker

Git

Linux

CI/CD

Job description

Citi London is seeking a Senior Forward Deployed Engineer to embed within line-of-business squads and deliver production-grade agent reasoning, tool integrations, data pipelines, and resilient workflows. You will write modular Python, Java or Go, integrate with enterprise systems, and ensure security and quality standards.

Join a hands-on, hybrid role with direct business collaboration and a focus on rapid delivery.