During December 2024, S.S. focused on enhancing data ingestion robustness and code quality in the opentargets/gentropy repository. They implemented a generalized infinity handling mechanism using PySpark’s t.DoubleType(), improving the resilience of Dataset processing against numeric edge cases. By refactoring the code to handle extreme values more safely, S.S. contributed to more stable downstream analytics. Additionally, they improved test maintainability by removing unnecessary printSchema() calls, reducing test suite noise. Their work demonstrated strong data engineering skills with Python and PySpark, reflecting a thoughtful approach to both production code and test hygiene within a focused, high-impact development cycle.