Employees are the most valuable part of every organization in the world, and the success of the organization depends on how well its employees do their jobs. Nowadays, commercial banks in Bangladesh are growing overwhelmingly, so the competition is enhancing one bank to another. Employee performance at the firm level and workplace productivity has not been empirically studied in the context of Bangladesh. The purpose of this study is to find out the variables that affect how well employees at banking institutions in Bangladesh do their jobs. People who worked in private banks in Bangladesh were the focus of this study and the final sample size was 250. The sample size was suitable for quantitative regression analysis. The questionnaire was sent to the e-mail ids of employees, and the questionnaires were adopted from the previous studies. To test the model and hypothesis, SPSS is used to analyze collected data in this study. The regression analysis was duly run with using the SPSS 26.0 version. The study shows that competence, compensation, leadership, and motivation have a big and good effect on how well employees do their jobs in regard to private commercial banks in Bangladesh. So, bank authorities should identify the factors influencing the improvement of the performance of bank employees, and they need to focus on employee productivity-enhancing activities.