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Optimizing Hiring Practices: A Machine Learning Approach for Candidate Selection

Publication Type : Conference Proceedings

Publisher : IEEE

Url : https://doi.org/10.1109/IDCIOT64235.2025.10914989

Keywords : Training;Logistic regression;Technological innovation;Accuracy;Organizations;Streaming media;Feature extraction;Interviews;Random forests;Recruitment;Recruitment Prediction;Machine Learning;Feature Selection;CatBoost;Employee Evaluation

Campus : Bengaluru

School : School of Computing

Department : Computer Science and Engineering

Year : 2025

Abstract : Recruitment is one of the most crucial factors in shaping efficient and high-performing teams within organizations. However, the traditional recruitment processes are often plagued by biases and subjective judgments that lead to inconsistent and suboptimal hiring decisions. This project uses machine learning(ML) to make recruitment more objective, efficient, and data-driven. By taking the age, gender, education level, experience, interview scores, and personality traits of the applicants as key features, the model predicts candidate suitability without bias. The methodology uses robust preprocessing, Chi-Square feature selection, and the SMOTE technique to overcome class imbalance in the dataset. The proposed system uses various different machine learning algorithms like CatBoost, KD-Trees, Random Forest, and Logistic Regression and many more. All these models are trained and fine-tuned with GridSearchCV for hyperparameter optimization. Among them, the best model was CatBoost with 95 % accuracy. This work shows how machine learning can change the recruitment game for organizations to make unbiased, data-driven hiring decisions and ultimately increase workforce efficiency and organizational success.

Cite this Research Publication : Naga Datta Dogiparthy, Radha. D, V. S. Kirthika Devi, Optimizing Hiring Practices: A Machine Learning Approach for Candidate Selection, [source], IEEE, 2025, https://doi.org/10.1109/IDCIOT64235.2025.10914989

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