Successful businesses understand the importance of employee engagement, performance, and satisfaction. This study looked at a variety of criteria, including work fit, clear goals, gratitude, and effective communication, in order to determine what makes an employee happy. The research will also examine how individuals and organizations contribute to employee happiness. We'll also look at job performance, which is another important component of an organization's success. The relationship between performance results and employee satisfaction will be explained, and relevant examples of how to raise both will be given. The research concludes by talking about employee engagement, which covers all of the previously mentioned subjects as well as a lot more, such as definitions, organizational success, and how to create an effective program for employee engagement. Additionally, this research will provide convincing data that will aid in comprehending the benefits of having contented and productive workers as well as using employee engagement to increase competitiveness and profitability.