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Python Application Developer, Officer

Job Req Id:

26973066

Location(s):

Mississauga, Ontario, Canada

Job Type:

Hybrid

Posted:

Jun.. 23, 2026

Discover your future at Citi

Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.

Job Overview

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management.

As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients’ best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services.

Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We’ll enable growth and progress together.

Position Overview:

Citi is looking for an Applications Developer, Intermediate Programmer Analyst to join our Technology team and play a meaningful role in the design, development, and enhancement of critical application systems that support global banking operations. In this role, you will work with a collaborative team to build and improve software solutions that directly serve clients and internal stakeholders across the financial services environment. This is an opportunity to apply your Python skills and development expertise in a fast-paced, high-impact setting where your contributions shape real outcomes.

Responsibilities:

  • Design and develop application enhancements by applying programming knowledge and scripting tools to identify system improvement opportunities and implement effective solutions.
  • Build and maintain customer-facing systems by collaborating with end users, clients, and technology teams to recommend and deploy practical programming solutions.
  • Develop code to defined specifications by applying Python and core programming fundamentals to translate design requirements into functional application components.
  • Analyze applications to detect vulnerabilities and security weaknesses, then conduct structured testing and debugging to resolve identified issues.
  • Diagnose and resolve application problems by drawing on technical experience to select and implement the most appropriate solution, using established approaches as a guide.
  • Mentor and support junior analysts by sharing technical knowledge and providing guidance on development practices and problem-solving approaches.
  • Assess risk in technical decision-making by considering the impact on application integrity, data security, and compliance with applicable policies and regulations.

Required qualifications & skills:

  • 2+ years of experience in an applications development role within the financial services industry.
  • Intermediate-level proficiency in Python, including a solid understanding of Python fundamentals and their practical application in software development.
  • Demonstrated ability to analyze complex technical problems and make sound, well-reasoned decisions to resolve them effectively.
  • Clear and concise written and verbal communication skills, with the ability to engage confidently with both technical and non-technical stakeholders.
  • Ability to manage competing priorities, deliver under pressure, and adapt quickly to changing requirements or timelines.
  • Bachelor's degree in a relevant field, or equivalent professional experience.

What We Offer:

At Citi, you will be part of a global Technology team where collaboration, continuous learning, and delivery excellence are at the center of how we work. We offer a supportive environment that balances professional growth with personal wellbeing, giving you the tools and flexibility to thrive at every stage of your career.

  • A hybrid working model with 3 days in the office and 2 days working remotely, giving you flexibility while keeping you connected to your team.
  • Access to learning and development resources to grow your technical skills and advance your career in applications development.
  • Exposure to complex, large-scale projects within a global financial services environment that broadens your expertise and professional impact.
  • Wellbeing support and work-life balance initiatives designed to help you perform at your best inside and outside of work.
  • A performance-driven team culture that values accountability, technical excellence, and meaningful collaboration across functions and geographies.
  • Financial wellbeing benefits and a competitive total reward package that recognises your contribution and supports your long-term goals.

Apply today and bring your Python expertise and development skills to a role where your work directly supports technology solutions that matter at a global scale.

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:

$79,320.00 - $110,680.00

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

Python (Programming Language).

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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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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.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

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Global Benefits

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