DevInterviewMaster

DevInterviewMaster helps developers get interview-ready with an AI tutor that talks with you in English, Hindi or Hinglish. Work through 8,568 questions, 381 coding problems in an in-browser Monaco editor, 248 HLD and 70 LLD topics, and SQL practice on live schemas. There are also 57 real production incidents (Database, Backend, Frontend, Infra, Distributed), plus DevOps Zero to Hero (127 lessons) and AI Engineer Zero to Hero (142 lessons) courses. Mock interviews, flashcards, a daily challenge, 10 guided roadmaps, XP, streaks and verifiable certificates. Built by one engineer in India over about a year. Start free (first modules of every course, free system-design framework pages, daily challenge with streaks, flashcards; no card needed); Pro is ₹400 for 30 days or ₹2,299 for a year, one-time payments with no auto-renewal.