HackTheRounds Interview Experiences
Google SDE II Interview Experience (2025): Two Sum / Lowest Common Ancestor
Google SDE II report (2025): screening interview, system design, and behavioral; two sum, and lowest common ancestor; offer reported. Logged 2026 02 20.
By HackTheRounds Team ยท 2026-09-09
Interview snapshot
- Role: Software Development Engineer II
- Experience year: 2025
- Reported stages: screening interview, system design, and behavioral
- Loop size mentioned: 5 rounds
- Technical focus: graph traversal, trees and hierarchical data, dynamic programming, and arrays and sequence processing
- Result: offer reported
- Format signals: on-site, and telephone
Reported interview sequence
The account identifies screening interview, system design, and behavioral for the Google Software Development Engineer II process and explicitly describes a 5-round loop.
Concrete details from this report
- Problem patterns named: two sum, lowest common ancestor, and dynamic-programming optimization.
- Platforms mentioned: Google Meet, and Google Docs.
- Google-specific signals: shared Google Doc, and Google Meet.
- Timing details stated: 45 minutes, and 30 minutes.
What stands out
For this 2025 Google Software Development Engineer II report, the clearest differentiators are a compact sequence spanning screening interview, system design, and behavioral, concrete prompts such as two sum, and lowest common ancestor, and explicit Google signals including shared Google Doc, and Google Meet. The account should be read as one candidate's experience, not a promise that every team uses the same loop.
Focused preparation plan
Prioritize graph traversal, trees and hierarchical data, dynamic programming, and arrays and sequence processing for this Google Software Development Engineer II pattern, practice two sum, lowest common ancestor, and dynamic-programming optimization with changed constraints, and prepare specifically for shared Google Doc, and Google Meet.
Continue preparing
Use the Google interview-question set to practice graph traversal, trees and hierarchical data, dynamic programming, and arrays and sequence processing for a Software Development Engineer II loop from 2025. The complete question library lets you compare those areas across employers.