500+ DSA problems, written to help people crack interviews.
A two year stint as a Data Structures and Algorithms problem setter and tester for Masai School and LevelUp, building the practice problems their learners train interviews on.
Writing good problems teaches you to make hard things teachable, and to think about every edge case before someone else does. It sharpened my own fundamentals more than any course.
Designed and tested 500+ problems spanning logic, math, and data structures, wrote the reference solutions and test cases, and mentored learners through the hard ones.