Lead Python Developer (Fintech)

Quick Facts

• Role: Lead Python Developer (Fintech)

• Focus: Python-based data workflows, trading database SQL, CI/CD pipelines, large dataset reconciliation

• Work hours: extend until 8–9 PM

Description

Lead development of Python-based data processing workflows for fintech systems, including management of deployment pipelines for large-scale trading and model datasets. You will fine-tune SQL for trading databases and reconcile results across multiple sources, documenting variances and discrepancies.

Responsibilities

• Build data processing workflows using Python while managing virtual environments
• Craft and fine-tune SQL queries for trading databases
• Collaborate via Git (branching, Pull Requests, code review)
• Participate in CI/CD tasks (builds, testing, deployments, rollbacks)
• Analyze large and complex datasets (loan-level tapes, model outputs)
• Cross-check results from multiple sources and investigate discrepancies
• Document and clarify variances found during data reconciliation

Requirements

• 7+ years working as a Python Developer
• Strong Python, Pandas, and NumPy skills
• Experience using conda, poetry, and uv for package/virtual environment management
• Expertise in creating and refining SQL queries
• Experience with large unstructured datasets such as loan-level tapes and model outputs
• Ability to reconcile two sets of results and explain the reasoning behind differences
• Hands-on Git experience including branching, Pull Requests, and code review
• English proficiency at B2+