This study aims to analyze the influence of competence and self-efficacy on employee performance and examine the role of job satisfaction as a mediating variable at the Marine Aquaculture Center in Ambon City. The study used a quantitative approach with a sample of 63 employees determined using the Slovin formula and proportionate stratified random sampling. Data were collected through questionnaires and analyzed using Partial Least Square-Structural Equation Modeling (PLS-SEM) with the help of SmartPLS 4. The results showed that competence had a positive and significant effect on employee performance and job satisfaction. Self-efficacy also had a positive and significant effect on employee performance and job satisfaction. Furthermore, job satisfaction had a positive and significant effect on employee performance. Job satisfaction was proven to positively and significantly mediate the influence of competence and self-efficacy on employee performance. These findings indicate that improving employee performance can be done through strengthening competence and self-efficacy supported by increasing job satisfaction.
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