Intermediate Python Engineer

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

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

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

Automated Processing and AI

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi.

Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details.

This job opening is for an existing job vacancy.

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

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