Role preparation
Software Engineer interview questions and answers.
Algorithms, system design, and production debugging.
Questions
Technical questions to practise out loud
- 01
How do you trade time complexity for space complexity?
Show practical understanding of algorithmic constraints, scale, and resource trade-offs.
Read the full breakdown - 02
How would you design a URL shortener?
Show practical understanding of identifiers, redirects, scale, availability, and abuse prevention.
Read the full breakdown - 03
How do you debug a production latency regression?
Show practical understanding of baselines, tracing, bottlenecks, and safe mitigation.
Read the full breakdown - 04
How do you choose a data structure?
Show practical understanding of how do you choose a data structure?.
Read the full breakdown - 05
When is binary search the right approach?
Show practical understanding of when is binary search the right approach?.
Read the full breakdown - 06
What makes a distributed system difficult?
Show practical understanding of what makes a distributed system difficult?.
Read the full breakdown - 07
How do you clarify system-design requirements?
Show practical understanding of how do you clarify system-design requirements?.
Read the full breakdown - 08
How do you reason about consistency and availability?
Show practical understanding of how do you reason about consistency and availability?.
Read the full breakdown - 09
What do you look for in code review?
Show practical understanding of what do you look for in code review?.
Read the full breakdown - 10
How do you prioritise technical debt?
Show practical understanding of how do you prioritise technical debt?.
Read the full breakdown