Mockrounds Blog

Crafted by Industry Experts. Calibrated for Every Level.

System Design, API Design, Low Level Design, DSA, and Behavioural guides with answers calibrated from student to Staff engineer. Practice it live when you're ready.

Behavioural

Behavioural

Amazon Behavioural Interview: Leadership Principles and STAR Answers

How Amazon's behavioural interview works, the Leadership Principles interviewers score, the STAR method, and example questions with strong vs. weak answers.

·4 min read

Coding

Coding

The DSA Patterns That Cover Most Coding Interview Questions

The core data structure and algorithm patterns behind most FAANG coding interview questions, what each one is, when to reach for it, and how to study them efficiently.

·3 min read

Low Level Design

Low Level Design

Design a Parking Lot: A Level-by-Level LLD Interview Walkthrough

A deep parking lot low-level design walkthrough scored the way real interviewers score it, with exactly what Mid, Senior, and Staff answers must say at every class design decision and the follow-ups that separate them.

·25 min read

Mock Practice

Mock Practice

Why Mock Interviews Are the Highest-ROI Interview Prep

Why mock interviews beat solo study for interview prep, what makes a mock effective, how to run one well, and how to turn the feedback into a measurable score improvement.

·3 min read

System Design

System Design

Design a URL Shortener: A Level-by-Level Interview Walkthrough

A deep TinyURL/bit.ly system design walkthrough scored the way real interviewers score it, with exactly what a Mid, Senior, and Staff answer must say at each decision and the follow-ups that separate them.

·29 min read
System Design

How to Approach Any System Design Interview (A Repeatable Framework)

A step-by-step framework for system design interviews covering requirements, estimation, API, data model, high-level design, and deep dives, with what interviewers actually score.

·4 min read