Generally speaking, you should get a stock allocation equivalent to the value you will add to the team. If you are adding a 5% net increase in the value, you s

Generally speaking, you should get a stock allocation equivalent to the value you will add to the team. If you are adding a 5% net increase in the value, you should get a 5% stock option allocation. Most likely you will be looking at numbers in the range of .25%-1%, give or take a bit. This will also depend on the total number of engineers likely to be hired during that funding round, and the background of the founders (founders who are more experienced will generally not give as much stock as founders who are less experienced).