GuideCareer
12 min read
Machine Coding and Low-Level Design for Freshers
Many product companies include a round where you design and build a small working system in 60 to 120 minutes: a parking lot, a cab booking service, a library system. Most freshers have never practised it. This article explains what these rounds evaluate, a time-boxed approach from requirements to running code, design principles that matter at this level, a complete small example, typical follow-up questions, and how to practise with AI as a demanding interviewer.

