Gen AI Applications Lead: End-to-End Delivery

Citi; Belfast City District; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Generous holiday allowance 27 days +

Discretional bonus

Private medical insurance

Employee Assistance Program

Pension Plan

Parental Leave

Employee discounts

Learning resources

Job summary

Citi Belfast is seeking a Senior Application Development Lead – Gen AI to drive enterprise Gen AI adoption across critical applications. You will set technical direction, design robust architectures, and own end-to-end delivery of Gen AI enabled features.

Based in Belfast with a hybrid working model (up to 2 days at home per week), the role offers a competitive base salary and benefits, including generous holidays, a discretionary bonus, private medical insurance, pension, parental leave, and

Qualifications

• Deep expertise in Gen AI, LLMs, and enterprise AI adoption.
• Experience building Gen AI apps with LangChain, LangGraph, LlamaIndex.
• Hands-on with retrieval-augmented generation and vector stores.
• Proficient in Python, PyTorch or TensorFlow, and production APIs.

Responsibilities

• Set technical direction for Gen AI adoption across multiple applications or teams.
• Design, integrate, and evolve Gen AI capabilities in business-critical apps.
• Own end-to-end delivery of Gen AI features from design to production.
• Collaborate with global technology and business teams to meet regulatory and risk priorities.
• Provide technical leadership through hands-on development and code reviews.

Skills

Gen AI

LLMs

Python

FastAPI

Docker

APIs

LangChain

LangGraph

LlamaIndex

PyTorch

Tools

LangChain

LangGraph

LlamaIndex

Hugging Face

Pinecone

FAISS

pgvector

Docker

Job description

Citi Belfast is seeking a Senior Application Development Lead – Gen AI to drive enterprise Gen AI adoption across critical applications. You will set technical direction, design robust architectures, and own end-to-end delivery of Gen AI enabled features.

Based in Belfast with a hybrid working model (up to 2 days at home per week), the role offers a competitive base salary and benefits, including generous holidays, a discretionary bonus, private medical insurance, pension, parental leave, and