RingCentral Software Development Engineer I interview questions

Asked questions about my work at a prior internship and a hard greedy scheduling problem where you have to accommodate guests in a hotel across different hours and maximise the profit

On campus opportunity. OA had mcqs of CS fundamentals and 2 medium level coding questions. 3 Interview rounds were held. 1st round : questions on OOP, DBMS, OS, and a little bit of Computer Networks. Also a few questions on Projects. No DSA asked. 2nd round : full DSA(medium and hard level) and some indepth questions about the techstacks used in your projects. 3rd round : techno-managerial round. Some DSA questions and some managerial/hr questions