Yes for your individual contributions. For the good companies, they will match 50% putting you up to 29,250. If they are good, they will also allow you to do the mega backdoor roth [0] which allows you to contribute the remainder of the max 57,000 (so 27,750) in after tax dollars and immediately move it into a roth account where it grows tax free.

[0]: https://thecollegeinvestor.com/17561/understanding-the-mega-...