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freature-engineering

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Intelligent candidate ranking system for the Redrob India Runs Data & AI Challenge. Ranks 100K profiles for a Senior AI Engineer JD in 52s on CPU using XGBoost LambdaRank with 43 engineered features + self-supervised pseudo-labels. 100% Precision@100.

  • Updated Jul 2, 2026
  • Python

LightGBM + Ridge ensemble for spot freight rate prediction. Temporal holdout validation (MAPE 6.51%, R² 0.8131). 26 engineered spatial, market & cyclical features. Includes full inference pipeline, December chart generation, and official scorer validation.

  • Updated Sep 15, 2026
  • Python

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