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Citi Logo Citi · IT - Software Development

Fixed Income Data Python Platform Engineer

Canada, Mississauga Employment contract 94300.00 - 141500.00 USD / Year · Job Posted November 26, 2025
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Job Description

Fixed Income Data Python Platform Engineer position at Citi, building and maintaining Citi's next-generation data platform targeted for quantitative scientists and traders to quickly iterate on and put into production analytical and trading tools. The Fixed Income Data Platform Team is the backbone of Fixed Income mission, providing low latency, high concurrency, scalability, and availability.

Job Responsibility

  • Analyzes system requirements, including identifying program interactions and appropriate interfaces between impacted components and sub systems
  • Participate in Sprint Planning, Tasking and Estimation of the assigned work for Python platform
  • Participate in component and service design for Python analytical services
  • Work on bug resolution and application improvements, such as performance and maintainability
  • May occasionally work a non-standard shift including nights and/or weekends and/or have on-call responsibilities
  • Stay abreast with new trends in open source tooling and champion tools that could help improve efficiency of the Fixed Income quant and data science community
  • Work closely with quants and data scientists to help them use platform capabilities and develop efficient analytical tools
  • Continuously look to automate manual touchpoints in the technology delivery pipeline

Requirements

  • 5 years+ of hands-on experience in building an enterprise scale highly componentized application using Python incl. web frameworks like Django or Flask and data science tools - Pandas, Polars, Streamlit, Airflow
  • Experience with Docker and Kubernetes/Openshift
  • Experience with DevOps technologies - Ansible, Chef
  • Experience working in a Continuous Integration and Continuous Delivery environment and familiar with Jenkins, TeamCity, Code Quality Tools - SonarQube, etc.
  • Proficient in industry standard best practices such as Design Patters, Coding Standards, Coding modularity, Prototypes etc.
  • Unit testing frameworks - PyTest
  • Understanding of the SDLC lifecycle for Agile & Waterfall methodologies
  • Excellent written and oral communication skills
  • Bachelor's degree/University degree or equivalent experience

Nice to have

  • Experience with Python LLM tools (OpenAI, Vertex, Langchain)
  • Master's degree preferred
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