IT & Software

Senior Python Developer - AVP

Citigroup

Belfast · County Antrim · United Kingdom

Overview

As a Senior Python Developer in Citi's Wholesale Credit Risk Technology team, you will build and maintain enterprise-grade Python and FastAPI solutions that support front-office and risk functions. You will collaborate with onshore/offshore teams and leverage modern AI-focused tech, including LLMs and RAG architectures, to keep Citi ahead in credit risk infrastructure. You will navigate production issues, implement robust CI/CD pipelines, and work within a risk-focused financial services environment. This role offers exposure to business initiatives and an opportunity to shape scalable risk platforms.

Pay / Benefits
  • generous holiday allowance 27 days
  • discretional annual performance bonus
  • private medical insurance
  • Employee Assistance Program
  • Pension Plan
  • Paid Parental Leave
Responsibilities
  • Develop and maintain enterprise-scale Python applications using FastAPI
  • Collaborate with onshore, offshore and matrix teams to deliver business solutions
  • Contribute to CI/CD pipelines and Kubernetes-based deployments
  • Investigate and resolve complex production issues and bugs
  • Engage with modern AI technologies (LLMs, Model Context Protocol, RAG) to enhance risk workflows
  • Communicate development progress to Project Lead and stakeholders
  • Support financial services applications with a focus on front-office and risk management
  • Participate in architectural discussions and technical design reviews
Key requirements
  • 5+ years of hands-on Python development experience
  • Proven experience with FastAPI
  • Hands-on development in Python
  • Experience with CI/CD pipelines and Kubernetes
  • Strong collaboration and communication with development teams
  • Ability to work with onshore, offshore, and matrix teams
  • Experience with AI-related tech including LLMs, Model Context Protocol, and RAG
  • Experience in Financial Services is preferred
  • collaboration
  • effective communication
  • problem-solving
  • Python
  • FastAPI
  • CI/CD

Reference: WJ-747_30134565

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