Intermediate Python Engineer

Citi; Mississauga; On-site; CAD 133,000 - 200,000; Full time

Job summary

Citi currently seeks an Applications Development Senior Programmer Analyst in Mississauga, Canada. You will participate in establishing and implementing new or revised application systems in coordination with the Technology team to deliver scalable backend services and risk algorithms.

You will work with Python, Kubernetes, and modern AI-driven techniques to produce production-grade solutions, document designs, and collaborate across cross-functional teams to ship reliable, high-performance

Qualifications

• 4+ years of hands-on Python backend development.
• Proficient in Kubernetes for deploying scalable backends.
• Strong fundamentals in system design, data structures, and algorithms.
• Ability to work independently across multiple streams.
• Bachelor's degree or equivalent professional experience.

Responsibilities

• Build and implement risk algorithms on Citi's platforms.
• Apply prompt engineering and RAG techniques to production systems.
• Design, develop, and deploy backend services on Kubernetes.
• Collaborate with cross-functional teams to ship new features.
• Produce high-quality, tested code and maintain docs.

Skills

Python backend development

System design

Data structures & algorithms

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.

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Job Family Group

Technology

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Job Family

Applications Development

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Time Type

Full time

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Primary Location Full Time Salary Range

$94,300.00 - $141,500.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

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

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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.

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This job opening is for an existing job vacancy.

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