Introduction. Modern technologies are generating new types of production and transformation of old ones, which results in the loss of jobs, income and status among the representatives of elder generation and leads to a professional loss crisis. All these factors make it necessary to study the peculiarities of professional development in late adulthood.The aim of the current publication is to investigate psychological peculiarities of professional development in late adulthood.Methodology and research methods. The conceptual idea of the research methodology is the subject-based approach, which considers an individual as an active subject of labour, who is able to successfully and effectively realise various occupational activities, thus ensuring a decent standard of living. A standardised questionnaire “Motivation of Professional Activity” by K. Zamfir in modification of A. A. Rean was used to assess the level of internal and external motivation. The “WHO Quality of Life-BREF (WHOQOL-BREF)” was applied to determine the level of quality of life. The parameters of professional development were evaluated employing a questionnaire with closed-type questions – adapted method “Questionnaire of a Working Pensioner” by N. S. Glukhanyuk and T. B. Sergeeva. The study involved 77 professional respondents aged from 50 to 74 years (19 men and 58 women). The Mann-Whitney U-test, Spearman rank correlation coefficient were used for statistical analysis of the obtained data. Maximum likelihood factor analysis was used as well.Results. The comparison of motivation among the respondents of various age groups demonstrated that the employees over 60 years are more motivated to stability and working conditions than the employees aged 50-60. The comparison of professional experience showed that employees with more than 30 years of working experience rated their physical and mental health and well-being higher than employees with 21-30 years of professional experience. Correlation analysis confirmed the research hypothesis about the ...