In today's cutthroat business environment, content employees are viewed as the most important form of human capital. Although it is extremely simple to evaluate a company's financial success using a variety of financial tools and approaches, it is highly challenging to ascertain whether the company is taking the proper steps to ensure that its people are happy in their jobs. The study's goals were to identify the elements that affect employees' job satisfaction at both private and public commercial banks in Bangladesh. The target audience for the study was workers of public and private commercial banks. 34 public and private commercial banks with branches in 8 divisions and 64 districts were the primary data sources. To separate different elements, secondary data from earlier studies was gathered. A questionnaire was then used to perform primary research. a suggested conceptual model that uses salary for growth, work autonomy, and job stress as independent variables. The mediating role of job happiness and the independent role of intention to leave are both mentioned. Factor analysis were tested using SPSS, version 22, for analysis purposes. Path analysis and a structural equation model are examined using IMB AMOS version 20. The outcome of the structural equation model indicates that the data are appropriately fitted into the model and that the suggested model's interrelations between constructs and observable variables are shown. Keywords:- Job Satisfaction, Job Stress, Work Autonomy, Salaries, Private and Public Sector Banks, Factors.