Python Developer — FastAPI, LLM/RAG in Credit Tech

Citi; Belfast City District; On-site; GBP 60,000 - 90,000; Full time

Job summary

Citi seeks a skilled Python developer to join the Wholesale Credit Risk Technology team. You will partner with onshore and offshore teams to design and deliver innovative technology solutions for the front office and Credit Risk Business.

The role emphasizes modern Python development, FastAPI, LLM integration, and scalable enterprise-grade software delivery. The ideal candidate has 3+ years of hands-on Python experience, familiarity with CI/CD and Kubernetes, and strong collaboration and

Qualifications

• 3+ years of hands-on experience building enterprise-scale Python apps with FastAPI.
• Experience with CI/CD pipelines and container platforms like Kubernetes.
• Experience with Python development using LLMs and RAG.

Responsibilities

• Research and resolve complex issues, escalating as appropriate.
• Collaborate with onshore, offshore and matrix teams to deliver solutions.
• Communicate development progress to the Project Lead.
• Investigate possible bug scenarios and production support issues.

Skills

Python

FastAPI

CI/CD

Kubernetes

Communication

Collaboration

Bug investigation

LLMs

RAG

Financial services

Education

Bachelor's degree

Job description

Citi seeks a skilled Python developer to join the Wholesale Credit Risk Technology team. You will partner with onshore and offshore teams to design and deliver innovative technology solutions for the front office and Credit Risk Business.

The role emphasizes modern Python development, FastAPI, LLM integration, and scalable enterprise-grade software delivery. The ideal candidate has 3+ years of hands-on Python experience, familiarity with CI/CD and Kubernetes, and strong collaboration and