This study investigated gender and stress as correlates of bankers’ job performance. A total of 235 bankers from Onitsha, Anambra State served as participants comprising of 95 (40.4%) males and 140 (59.6%) females. The participants were within the age range of 22 to 50 years with a mean age of 31.73 and standard deviation of 5.27. Two instruments were used for data collection in the study namely; The Job Tension scale and Job Diagnostic Survey (JDS)-Job Characteristics (JCS) scale. It was a survey design was adopted while Pearson Product Moment Correlation was employed for data analysis. The results show that gender yielded a positive correlation on job performance with (r =.26, P<.05) level of significance, this indicates that females scored higher than males on job performance. While job stress also yield a positive correlation among bankers with (r =.64, p<.05) level of significance, in that higher the job stress, higher the job performance. It is recommended that it is important that employers must minimize over demanding on the employees and also take into consideration their physical and emotional health for such can enhance their performance on the job and increase work-environment harmony. Gender should be considered in assigning duties to workers in the bank.