You don't necessarily get to work with a popluar stack of technologies and sometimes your experience is not relevant outside of Netracker. That goes for most big companies as they utilize trheir own technologies. e.g., teams are focused on limited task area and if you want to try more things you have to search for such project inside of Netracker. Salary have not changed year into position. The problem is it's not clear for junior engineer how often that supossed to happen, and mostly people need to speak to their manager in a long-term.