Available question text
Design a system that receives GitHub pull requests via webhook, analyzes code for vulnerabilities using local APIs (Java, C#, Python), posts comments back to GitHub, and provides managers with secure team performance monitoring capabilities. The system should handle 30,000 pull requests per day with burst capacity while ensuring vulnerability data remains secure.
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- 2 coding (between tech screen and loop), 1 code review, 1 system design, 1 behavioral focused on a single project deep dive.
System design
- Coding problems seemed more implementation intense, it seems the interviewers have a strong emphasis on writing clean, understandable code. Communication and collaborating with the interviewer also appears important, solving the problem perfectly doesn't seem to be as important as you might expect.
One of the system design interviews was walking through a system you developed (I believe system design questions are only asked to lateral/experienced applicants).
I was not asked any explicit behavioral questions outside of the typical ones you might expect when retrospecting during the "walk through a system you developed" interview. I am told Jane Street doesn't have behavioral rounds for engineers in general.
System design
- Design a Cloud IDE That Edits and Runs Code in Browser-Accessible Workspaces
System design · Containers & Orchestration · Sandboxing & Isolation · System Design
- Design a code search engine like GitHub search
System design · access-control · code-changes · query-execution
Sources · 1 reference
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Hello Interview · 1 record
Microsoft
Design a Code Vulnerability Analysis System
Reported Jul 18, 2026 · 2 source reports
MID_LEVEL, SENIOR
Source snapshot: Nov 12, 2026
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