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Senior Software Engineer (Python) – Fixed Income Assistant Vice President

Job Req Id:
26953447
Location(s):
Mississauga, Ontario, Canada
Job Type:
Hybrid
Posted:
Apr. 10, 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

Discover your future 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.

Citi, a leading global bank, is seeking a talented and passionate Python Developer to join our growing Fixed Income Technology (FIT) team. FIT is responsible for building and delivering technology used across the Fixed Income businesses, which include rates, corporate credit, and securitized markets. Our technology solutions are critical for pricing, hedging, managing trades, market-making, financing, and securitizing products in an increasingly electronic environment.

As a key member of our team, you will contribute to the design, development, and maintenance of high-performance Python applications. You will work closely with other developers and stakeholders to deliver innovative solutions that drive data-driven decision-making within the organization. This role emphasizes the development of robust, scalable, and high-performance Python-based applications.

Responsibilities:

  • Design and Development:

    • Design, develop, and maintain robust and scalable applications primarily using Python.

    • Implement efficient and optimized code for various business needs.

    • Integrate Python applications with various data sources, APIs, and other systems.

    • Contribute to the design and development of application architectures.

    • Write clean, well-documented, and testable code.

  • Technical Collaboration & Practices:

    • Collaborate effectively with other engineers, product managers, and stakeholders throughout the software development lifecycle (SDLC), adhering to Agile methodologies.

    • Stay up-to-date with the latest trends and technologies in Python development.

    • Solid understanding of Object-Oriented Programming (OOP) concepts, multithreading, and thread pools.

    • Familiarity with containerization technologies like Docker and deployment platforms like Kubernetes, OpenShift, or ECS.

Qualifications:

  • Experience:

    • Minimum 3-5 years of experience developing and deploying production-ready Python applications.

    • Strong experience with core Python, SQL, and database APIs.

    • Experience with Python frameworks (e.g., Django or Flask) is a plus.

    • Familiarity with data processing concepts and related technologies (e.g., Kafka, Apache Spark) is beneficial.

    • Experience using Java is preferred

  • Skills:

    • Excellent communication and collaboration skills.

    • Strong problem-solving and analytical skills.

Nice to Have:

  • Master's degree in a relevant field.

  • Contributions to open-source projects.

  • Experience working in a cloud environment (AWS, GCP).

  • Familiarity with financial industry concepts.


Education:

  • Bachelor's degree in computer science, Engineering, or a related field.


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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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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