Senior Python Backend Engineer - AI & Risk on Kubernetes

Citigroup Inc.; Mississauga; On-site; CAD 132,000 - 197,000; Full time

Job summary

Citigroup Inc. is seeking an Applications Development Senior Programmer Analyst to join the Technology team. This intermediate role focuses on participating in new or revised application systems and programs, contributing to analysis and programming activities across platforms.

The position emphasizes building scalable backend systems with Python, Kubernetes, and AI-enabled techniques, delivering production-ready software with documentation and code quality in a collaborative environment.

Qualifications

• 4+ years of hands-on experience applying deep professional experience in Python for backend development, with the ability to design and build scalable, high-performance systems.

Responsibilities

• Build and implement risk algorithms on Citi's platforms using Generative AI models.
• Apply prompt engineering, token usage optimization, and RAG techniques for scalable, production-grade solutions.
• Design, develop, and deliver end-to-end backend systems on Kubernetes-based infrastructure.
• Continuously evaluate Generative AI techniques to improve platform capability and efficiency.
• Collaborate with cross-functional teams to define and ship features across a multi-control platform.
• Produce production-ready, unit-tested code with proper reviews and CI integration.
• Create and maintain technical documentation for reliability and knowledge sharing.

Skills

Python backend

Kubernetes

Software fundamentals

Independent work

Bachelor's degree

Education

Bachelor's degree or equivalent

Tools

None

Job description

Citigroup Inc. is seeking an Applications Development Senior Programmer Analyst to join the Technology team. This intermediate role focuses on participating in new or revised application systems and programs, contributing to analysis and programming activities across platforms.

The position emphasizes building scalable backend systems with Python, Kubernetes, and AI-enabled techniques, delivering production-ready software with documentation and code quality in a collaborative environment.