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Principal Python Engineer for Data Platforms

Citigroup Inc.

mississauga, peel region, Canada Full-time May 31, 2026

Opportunity Description

Step into a Principal Python Engineer role at Citi’s Fixed Income Data Platform Team, where you’ll create scalable solutions for quantitative traders. This role combines technical innovation with strategic impact.

Citi is seeking an experienced developer to join its Data Platform Engineering group, working on enterprise-scale applications. You will utilize your Python expertise to enhance platform capabilities and support data science initiatives. This role offers you the chance to stay ahead of industry trends while working collaboratively with talented engineers.

Key Responsibilities:
• Define and analyze system requirements thoroughly
• Participate in agile sprint planning and task delegations
• Design advanced Python analytical services
• Troubleshoot and enhance application performance
• Advocate for efficient new tooling within the team

Requirements:
• Minimum 5 years of experience in Python development
Full-time IT & Technology

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