Palo Alto Networks Software Engineer Interview Questions

6+ Palo Alto Networks Software Engineer interview questions drawn from real candidate reports. Sources include 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode. Questions span every stage of the Palo Alto Networks Software Engineer loop: OA, phone screen, system design, behavioral, and onsite coding.

What to Expect in the Palo Alto Networks Software Engineer Interview

The Palo Alto Networks Software Engineer interview process typically runs 4 to 6 rounds depending on seniority level. Based on candidate reports in the LeakCode database, the loop usually includes a resume review, an online assessment or coding phone screen, one or more technical rounds, a system design round (for senior and above), and a behavioral or values round.

Difficulty skews toward medium and hard LeetCode-style problems in the coding rounds. System design questions test breadth (component selection, scaling, trade-off reasoning) more than deep implementation. Behavioral questions are tied to the company's stated values and principles.

Palo Alto Networks Software Engineer Questions (Sample)

palo alto networks fulltime software engineer technical phone screen experience

phone screen 2026 1p3a

今天我面试了最后一轮 problem solving, 别的聊的都很好,就是分析算法时间复杂度,我分析的错了O(2^n+N^2) 我分析成 O(2^n*N^2) ,会挂吗?还是没事儿?我别的前记录都可以的,今天面试开始也很好

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#359 Logger Rate Limiter

coding easy lc_company

LeetCode #359: Logger Rate Limiter. Difficulty: Easy. Topics: Hash Table, Design, Data Stream. Asked at Palo Alto Networks in the last 6 months.

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#443 String Compression

coding medium lc_company

LeetCode #443: String Compression. Difficulty: Medium. Topics: Two Pointers, String. Asked at Palo Alto Networks in the last 6 months.

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#141 Linked List Cycle

coding easy lc_company

LeetCode #141: Linked List Cycle. Difficulty: Easy. Topics: Hash Table, Linked List, Two Pointers. Asked at Palo Alto Networks in the last 6 months.

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#88 Merge Sorted Array

coding easy lc_company

LeetCode #88: Merge Sorted Array. Difficulty: Easy. Topics: Array, Two Pointers, Sorting. Asked at Palo Alto Networks in the last 6 months.

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#155 Min Stack

coding medium lc_company

LeetCode #155: Min Stack. Difficulty: Medium. Topics: Stack, Design. Asked at Palo Alto Networks in the last 6 months.

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Difficulty Breakdown

3

easy

2

medium

Based on 6 questions with difficulty labels from candidate reports.

Interview Rounds

Here is how the Palo Alto Networks Software Engineer questions in the LeakCode database break down by interview round, based on what candidates reported:

Round Questions in Database
coding 5
phone screen 1

Most Common Topics

strings (1) stack (1) linked list (1) hash table (1) arrays (1)

Question Recency

1

2026

Question counts by interview year, based on candidate-reported dates.

How to Prepare for the Palo Alto Networks Software Engineer Interview

Use the LeakCode question database as your primary research tool. Filter by role (Software Engineer), then by round type to focus your prep on the specific stages in your upcoming loop. Sort by recency to see what 2026 candidates actually faced.

  • Start with questions from the last 12 months. Interview processes change and recent data is the strongest signal.
  • Cross-reference questions that appear in multiple sources (1p3a, Blind, Glassdoor). Multi-source confirmation means a question has stronger recurrence probability.
  • For system design rounds: focus on the question patterns, not individual questions. The same design principles recur across many prompts.
  • For behavioral rounds: map your experiences to the company's stated values before the interview. Most behavioral questions at top companies are derivatives of a small set of core leadership competencies.

FAQ

How many Palo Alto Networks Software Engineer questions are in the database?

6+ questions from verified candidate reports. The count grows as new reports are scraped daily from 1Point3Acres, Blind, Glassdoor, Reddit, and LeetCode.

Are these questions from real Palo Alto Networks interviews?

Yes. All questions are sourced from actual candidate interview reports, not generated by AI. Each entry links back to its source URL where available, and questions are tagged with the year and round reported by the candidate.

How current is this data?

LeakCode updates daily. The database is filtered to exclude duplicate and low-quality entries. You can filter by interview year to focus on recent cycles.

Does LeakCode cover Palo Alto Networks OA questions specifically?

Yes. The database includes online assessment questions tagged with round type. See the Palo Alto Networks OA page for a dedicated view.

Related: Palo Alto Networks All Questions · Palo Alto Networks OA Questions · Browse All Companies · Data Sources