Intermediate Python Engineer

Citi; Mississauga; On-site; CAD 94,000 - 142,000; Full time

Job summary

Citi in Mississauga, Canada is seeking an Applications Development Senior Programmer Analyst to join the Technology team. The role focuses on building and enhancing backend systems, applying Generative AI techniques, and delivering production-quality software.

You will design scalable architectures, deploy on Kubernetes, and collaborate with cross-functional teams to implement new features while maintaining robust documentation and code quality.

Qualifications

• 4+ years hands-on Python backend development.
• Kubernetes for deploying scalable backend platforms.
• Strong fundamentals: system design, data structures, and algorithms.
• Ability to work independently, manage priorities, and deliver across multiple workstreams.
• Bachelor's degree or equivalent professional experience.

Responsibilities

• Build and implement risk algorithms on Citi's platforms using AI techniques.
• Apply prompt engineering, token usage optimization, and RAG to develop production-grade solutions.
• Design, develop, and deploy end-to-end backend systems on Kubernetes-based infrastructure.
• Continuously evaluate new Generative AI techniques to improve platform capability.
• Collaborate with cross-functional teams to define and ship new features across a large platform.
• Produce production-ready software that is unit-tested and CI/CD-ready.
• Create and maintain technical documentation to support reliability and knowledge sharing.

Skills

Python

Backend design

System scalability

Data structures

Independent work

Education

Bachelor's degree or equivalent

Tools

Kubernetes

Job description

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities.

Responsibilities

• Build and implement sophisticated risk algorithms on Citi's strategic platforms by integrating Generative AI foundational models to validate market behavior and extract actionable intelligence from large volumes of chat & voice data.
• Apply advanced prompt engineering, token usage optimization, and Retrieval-Augmented Generation (RAG) techniques to develop efficient, production-grade solutions using Citi's proprietary data at scale.
• Design, develop, and deliver end-to-end backend systems - from architectural design and system analysis through to deployment on Kubernetes-based infrastructure.
• Continuously evaluate and implement emerging Generative AI techniques and technologies to improve platform capability and development efficiency.
• Collaborate with cross-functional teams to define, design, and ship new features across a platform with hundreds of underlying controls.
• Produce high-quality, production-ready software that is unit-tested, code-reviewed, and integrated continuously into live systems.
• Create and maintain clear, comprehensive technical documentation to support system reliability and team knowledge sharing.

Required Qualifications & Skills

• 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.
• Practical knowledge of Kubernetes for deploying and operating scalable backend platforms and engineering high-performance APIs.
• Solid command of software engineering fundamentals, including system design, data structures, and algorithms.
• Ability to work independently, manage competing priorities, and deliver across multiple workstreams without close direction.
• Bachelor's degree or equivalent professional experience.

Beneficial Skills & Qualifications

• Experience working in financial services or banking, with familiarity with trading workflows, market data, or financial risk concepts.
• Exposure to processing and deriving insights from large volumes of unstructured or conversational data.
• Strong communication and influencing skills, with the ability to align technical and non-technical stakeholders around shared goals.
• Experience working across cross-functional teams and contributing to collaborative platform delivery.

This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Job Family Group

Technology

Job Family

Applications Development

Time Type

Full time

Primary Location Full Time Salary Range

$94,300.00 - $141,500.00

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