I took an internship at Breza Software Engineering where I studied different technologies present in current projects Breza was working on. These encompassed GIT version-control system, HTML and CSS, Bootstrap library, JavaScript and TypeScript, Angular framework and, finally, jHipster web application generator. Tasks included generation of entities, creating connections between them, creation and utilisation of self-made components, implementations of custom database queries. Final project built during this internship is also available on my GitHub profile (https://github.com/Nikolichnik/appPraksa).

During my studies in physical chemistry at the University of Belgrade, Faculty of Physical Chemistry, I was involved with a project which goal was the development and construction of a device capable of accumulation and storage of electrical energy based on ultracapacitors CAPtivator. Aside for development of core technology - details regarding electrochemical aspects, electronics needed for conversion of electrical energy and its safe storage in banks of ultracapacitors, design and construction of prototype - one of the most important tasks delegated to me was automatisation of the process of testing of individual ultracapacitors in laboratory settings. This was important in order to appropriately track any changes in the performance of said ultracapacitors with increasing number of charge/discharge cycles. In order to accomplish this, I designed an Arduino based device tasked with connecting and disconnecting ultracapacitors to and from power supply and appropriate load (CAPtivatorGYM). Also, it recorded several important parameters in real time, some of them being voltage, current and time needed for each cycle to complete. Apart from displaying all parameters on built-in screen, device is also capable of sending all captured data over a USB connection to connect PC. In order to further analyse data, I have developed software based on Java/JavaFX that records, stores and visualises data in real time (CAPtivatorINTEL). It is very easy to use and has data structure such that it is very easy to move all recorded data from one location to another. All the hardware and software mentioned previously is available for viewing and inspection on my GitHub profile.

This engagement required different administrative skills including good organisation and delegation of time.

Throughout the years, I was continually engaged in different projects which goal was the popularisation of natural sciences. Starting as a volunteer, as I gained more experience and skills, I was engaged professionally, mostly in roles that required the design and construction of entire sets as well as individual elements of them. These included both technical aspects (designing electronics and accompanying software), graphic design and management of all members of the team tasked with realisation of the project. I was active in this field both as a independent exhibitor with a small team, as well as fabricator and coordinator of a team assembled by the Faculty of Physical Chemistry. Topics covered in numerous exhibitions include electrochemistry, principles of EEG (electroencephalography), electromagnetic spectrum, alternative sources of energy and many others. These engagements provided me with opportunities to develop skills regarding fast and effective resolutions to different problems, working under pressure and in large teams, as well as public speaking time management.

Start of my professional career as a co-founder and IT Team Leader in ESN BelUPgrade - first Erasmus Student Network office present and fully operational in Serbia. My tasks included the development of the official organisation website, as well as management of a team of graphic designers.