ScaleMock
AI-powered HLD, LLD & OA mock interviews for engineers
ScaleMock launched on January 7, 2026 with 6 votes, #2,272 of 14,584 launches that month and more than 75% of that year's launches.
What it does
System design interviews are unstructured. Coding OAs are black boxes. ScaleMock provides real-time AI feedback on High-Level Design (HLD), Low-Level Design (LLD), and Online Assessments so you can crack FAANG interviews.
Best SDE Interview Preparation Platform. Master System Design, DSA, LLD, and Frontend coding with AI-powered mock interviews. Crack FAANG, Google, Amazon, Microsoft, Meta interviews with 100+ curated problems.
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- WBWe built a multimodal AI interviewer for mock system design interviews2024 · app.techinterviewer.ai · ▲11
Hey HN! We’re Jared, Shreyas, and Varun the creators of TechInterviewer. We’re building a product for software engineers to go through an entirely simulated systems design interview. Our AI interviewer, Steve, gives you a prompt and you talk out loud and draw on a whiteboard while Steve guides you through the interview and gives real-time feedback. Check out our demo: https://app.techinterviewer.ai Every software engineer today has to prepare for systems design interviews and have two awful options: pay hundreds of dollars for a single session with a FAANG engineer or follow…
MockinglyAI - Interview Practice with AI2025 · mockingly.ai · ▲6An AI interviewer for software engineers to practice with on-demand mock system design interviews.

Mocked2025 · trymocked.com · ▲14Hi HN, I launched an AI tool a few months back to help with product management interviews. It's Leetcode-style prep, but you can verbally respond to questions and receive feedback. I originally started it as a side project, but it blew up on Linkedin and we're nearing 5-figure ARR. I would be grateful for some honest feedback and advice on both the growth and engineering side. I'm particularly interested in: - What's one feature you feel is glaringly missing? - How did similar educational consumer apps (7sage, Leetcode) scale beyond just ads? - Should I implement a landing page? I wanted to…
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