Lead Python Developer (Fintech)

EPAM SystemsFintech

Opportunity to work remotely within PolandFull-TimeLead

Salary not disclosed

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Job Details

Have a minimum of 7 years of experience working as a Python Developer.
Demonstrate strong command of Python, Pandas, and NumPy.
Be adaptable with conda, poetry, and uv for package and virtual-environment management.
Have expertise crafting and refining SQL queries.
Have experience handling large, unstructured datasets such as loan-level tapes and model outputs.
Be able to reconcile two sets of results and explain the reasons for differences.
Have hands-on Git experience, including branching, pull requests, and code reviews.
Have English proficiency at a B2+ level or higher.
Be available for work hours extending to 8–9 PM.

Build data-processing workflows in Python and manage virtual environments.
Craft and fine-tune SQL queries for trading databases.
Use Git for branching, pull requests, and code reviews.
Contribute to CI/CD builds, testing, deployments, and rollbacks.
Examine large and complex datasets, including loan-level tapes and model outputs.
Cross-check results from multiple sources and investigate discrepancies.
Document and clarify variances identified during data reconciliation.

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