InterviewBit
Solve coding interview problems in topic-by-topic tracks
InterviewBit gives you coding interview problems grouped by topic. You solve them in the browser and get checked against tests. Topics include programming, data structures and algorithms, dynamic programming, system design, databases, scripting and puzzles. The site lists more than 800 practice problems and short fast-track courses.
Free · Browser · Intermediate
About InterviewBit
It trains the problem types that show up in software job interviews. It suits students and early-career developers who want a structured plan.
You can start for free, and you sign up with Google, GitHub, LinkedIn, Facebook or email to use the full site. It also offers free mock interviews. The site is part of the Scaler group.
On Breakpoint since 23 Oct 2026.