FLU
Just be careful if your company has some sort of match, that you are not over fuding early in the year. If a company has for instance a 6% match, ideally your final paychack of the year will be the one that gets you to 15500 with that matching contribution.
I work in sales so paychecks can be all over the map. I made the mistake of overfunding one year and it cost me a couple of thousand. Will never make that mistake again.