Hackerrank Software Engineer Interview Questions

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

What to Expect in the Hackerrank Software Engineer Interview

The Hackerrank 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.

Hackerrank Software Engineer Questions (Sample)

HackerRank Assessment in 48 hours

oa 2026 reddit

Company: HackerRank Role: Senior Software Engineer (3+ YOE) (I know title is a little confusing) I received an invitation to complete the HackerRank Assessment in desktop version with the following in

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Hackerrank OA Coding Challenge Capable Models

oa 2026 1p3a

Hello this was the question which was asked to me in a hackerrank test. I spent a lot of time in just understanding the question, I tried to give this to LLM but I don't think that was an optimized on

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McKinsey SWE 1 (full-time) interview coming up, anyone interviewed recently and can share how it went?

oa medium 2026 reddit

Anyone here interviewed for McKinsey SWE 1 (full-time, US) recently? Would love to hear how your experience went. I'm prepping right now and feeling decent about arrays/strings/hashmap type problems a

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What is the easiest question you’ve gotten in a technical interview?

oa 2022 reddit

I will go first: Citrix final round The engineer asked me to implement a function that adds 2 integers together and return the sum. We were using Hackerrank as the platform and the default code when y

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Glitchy test case result for online assessment

oa easy 2021 reddit

Hi, this is my first time posting here, so I apologize if I may unknowingly break any rules with this post. I will start by saying that this is mostly a rant with my experience in completing an online

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Difficulty Breakdown

1

medium

1

easy

Based on 5 questions with difficulty labels from candidate reports.

Interview Rounds

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

Round Questions in Database
oa 5

Most Common Topics

arrays (2) graph (1)

Question Recency

3

2026

1

2022

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

How to Prepare for the Hackerrank 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 Hackerrank Software Engineer questions are in the database?

5+ 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 Hackerrank 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 Hackerrank OA questions specifically?

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

Related: Hackerrank All Questions · Hackerrank OA Questions · Browse All Companies · Data Sources