General Software Engineer interview prep
9 live roles at HighRadiusCoding, data structures, algorithms and system design — the core software engineering loop used by product companies and startups across India.
Typical Software Engineer interview rounds
- 1 Online assessment. Timed coding problems on arrays, strings and hashing on HackerRank or HackerEarth.
- 2 DSA / problem solving. 1–2 live coding rounds on data structures, algorithms and complexity analysis.
- 3 System design. Designing a scalable service (mid/senior); low-level design for early-career.
- 4 Hiring manager / culture fit. Past projects, ownership, behavioural questions and team fit.
Commonly-asked Software Engineer questions
- Reverse a linked list, both iteratively and recursively.
- Find the two numbers in an array that add up to a target sum.
- Detect whether a linked list has a cycle.
- What is the difference between a process and a thread?
- Explain time and space complexity (Big O) with examples.
- How does a hash map work internally, and what happens on collisions?
- Find the longest substring without repeating characters.
- What is the difference between an array and a linked list?