I love the interface which primarily made me stick to HackerRank in spite of other similar platforms.
The questions are clearly explained.
We can download the test cases and then check for bugs in our code.
It has different domains to participate from C To AI.
It organises multiple competitions in a month.
LinkedIn placements mock test is there which is not in any other platform.
Some of the things that I don't like is -
Number of competitions are less than other platforms.
Problems are not added frequently.
There is no time bound to solve the question.
No actual question asked in the interviews are present.
Company wie preparation is needed.
Addition of mock tests will be better.
Not much Object Oriented Programming stuff.
I have been using HackerRank now for more than a year and it's worth it. Definitely recommend everyone to join it. Though, stick to more than one platforms for practice.
I am not solving any business problems with HackerRank but various companies I have heard of use HackerRank for technical recruiting and organizing coding competitions.
I use hackerrank to improve my coding skills to get hired for technical jobs
I cans see where I stand to get interviewed.
My performance over other candidates.