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We're looking to add a Lead Python Developer (Fintech) to our team—someone with solid technical expertise in building applications and managing deployment pipelines, particularly for large-scale systems and trading databases.
Please note that work hours extend to 8–9 PM.
Responsibilities
- Build data processing workflows leveraging Python while managing virtual environments
- Craft and fine-tune SQL queries designed for trading databases
- Work collaboratively through Git, covering branching, Pull Request creation, and code review processes
- Engage in CI/CD pipeline tasks, encompassing builds, testing, deployments, and rollbacks as necessary
- Examine large and intricate datasets, including loan-level tapes and model outputs
- Cross-check results originating from multiple sources and probe into any discrepancies found
- Document and clarify variances identified throughout data reconciliation work
Requirements
- A minimum of 7 years working as a Python Developer
- Strong command of Python, Pandas, and NumPy
- Adaptability in using conda, poetry, and uv for managing packages and virtual environments
- Expertise in crafting and refining SQL queries
- Experience handling large, unstructured datasets such as loan-level tapes and model outputs
- Ability to reconcile two sets of results and articulate the reasoning behind differences
- Hands-on experience with Git, including branching, Pull Requests, and code review practices
- English proficiency at a B2+ level or higher
Nice to have
- Familiarity with SQL Server/T-SQL
- Comfort working with Linux command line, SSH, and hybrid Windows/Linux file shares (SMB/NFS)
- Knowledge of how CI/CD pipelines operate, including builds, testing, deployment, and rollback procedures
- Foundational understanding of fixed income concepts: price/yield relationships, duration and convexity, spread types (OAS, Z spread), the distinction between coupon and yield, and accrued interest