Emerging changes in global economy result in a necessity of changing the approach to shaping professional career of employees and a redefinition of the basic concepts related to this issue. The key factor of success in a modern career, which is in the environment of large insecurity and lack of stabilisation, safety and the certainty of employment, could be understood as an accumulation of the career capital and individual capability to being employed, so called employability. The publication considers the issue of shaping own professional career in the context of mulitgenerationality, both in the context of traditional and current approach. The basic thesis of this paper has been specified as follows: an individual being an owner of professional career, should be aware that achieving life and professional success depends mainly on their own activity and engagement in the process of shaping own professional career. The basic aim of this dissertation is to present in a historical view a diversified approach to shaping own professional career among the representatives of different generations of employees, in particular the generation of Baby Boomers, X and Y. Moreover, it points out against internal and external background determinants, basic differences between these approaches, the predominant patterns of career carried out by individual representatives of studied generations and understanding the subjective assessment of their career development. As far as the aim of the publication is concerned, the individualistic perspective has been implemented, that is of a given individual as an elementary career subject. The realisation of the aim of this paper required from the author to assess and create a new definition of professional career, which was a basis to further considerations in this publication. According to the author, professional career of an individual constitutes the development process of their knowledge and abilities, shaping of attitudes, personal characteristics, values and motivation over the course of their life in order to continuously and permanently increase their value on the labour market, that is career capital building and employability ensuring. During the career an individual has been acquiring unique experience and shaping their own professional identity thanks to working in different organizations, performing various professions and playing roles in compliance with the realization of their own predispositions, expectations and aspirations, which give a sense of inner satisfaction and vocational and life fulfilment. The dissertation consists of four chapters. The first chapter presents theoretical basis connected to professional career, based on the source literature studies, paying particular attention to objective and subjective dimension of the professional career The issues of the career are presented in the context of professional development of an individual, and the choice of the rhetorical part was dedicated to pave the way for carrying out the research and analysis in the further part of the dissertation. The second chapter is dedicated to the basic transformations in the approach to the career, showing the evolution from the traditional to modern one. The essential features of the traditional career are pointed out. They are often described as linear, stiff, predictable, realised often in one organisation. The attention is also paid to the role and meaning of the organisation in the career development of an individual, taking into consideration so called organisational context of the career. Furthermore, the new paradigms are presented, crucial from the point of view of shaping modern professional careers, such as permanent life in transit, the necessity of flexibility and multiple changes in location and character of work and also transformation in the field of psychological employment contract. The last part of this chapter is dedicated to the analysis of various patterns and profiles of career in connection to traditional, modern or transitional to shaping the professional career approach, which are related to it. The third chapter focuses on identifying and discussing chosen determinants of shaping own professional career. The conditions are classically divided to two groups, namely external factors, regardless of an individual, such as factors of external environment, so called further - international, national, local and close surrounding, concerning an organisation - current or potential employer and environmental conditions and internal factors directly connected with and dependent on an individual (emphasising a significant role of their time management skills and emotional competences). Because of the aim of the dissertation, a special place is dedicated to a broad analysis of the categories of the career capital and employability as very important factors in the process of shaping own professional career in the modern reality. Relatively widely the role and the meaning of emotional competences and the ability of time management in the pursuit of success in the realisation of the professional career are described. The forth chapter is an empirical part of the publication, regarding the analysis and assessment of the professional career approach among the representatives of the generation of Baby Boomers, X and Y. At the beginning the general characteristics of the phenomenon of multigenerationality on the labour market are presented. In addition the presentation of the chosen groups of generations are made, which constitutes the ground to carry out proper research. In order to collect essential data the method of diagnostic survey was used in the dissertation, which in a relatively easy way enabled to gain objective and required information. The basic measurement tool was an inquiry form. In the light of the carried research (covering the years 1999-2015) and analysis, against the background of external and internal conditions, basic differences in these approaches are shown and the tendency to change in the approach to professional career among questioned representatives of BB, X and Y generations in particular stages are presented. The quantitative research was completed also by qualitative one, using the elements of biographical methods (biographical narrations), regarding the subjective assessment of respondents previous professional career. Using qualitative assessment enabled to get a more complete context of realised careers, revealing respondents' attitude towards work and life and also in connection to the quantitative research diagnosing and linking dominant career patterns responding to the individual representatives of studied generations. In conclusion, which comprises the balance of the findings presented in this monograph, the basic recommendations for practice representatives, managers, educational institutions, and each generation are indicated, regarding the process of shaping the professional career. Furthermore, the basic scientifically restrictions are indicated and directions of further studies and scientific research are proposed concerning the issue of shaping own professional career, not only among the representatives of the surveyed generations of employees, but also the youngest Z generation, just entering the labour market.