HackerOne Software Engineer Interview Questions
The questions to prepare for a HackerOne Software Engineer interview. Questions from real interview reports rank first. Updated weekly.
Reverse a singly linked list in-place using iterative pointer manipulation.
HackerOneTests prioritization, communication, and execution during time-limited problem solving.
HackerOneExplain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.
HackerOneExplain how you incorporate security into solution design while balancing delivery, architecture trade-offs, and stakeholder expectations.
HackerOneDescribe how you handled vague feature requirements by clarifying scope, aligning stakeholders, and making trade-offs to ship effectively.
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Tests your ability to design ML ranking systems and evaluate them for security use cases.
HackerOneEvaluates your ability to structure solutions and communicate trade-offs during live coding and system design.
HackerOneTests your ability to diagnose and improve SQL query performance using indexing, query plans, and execution strategies.
HackerOneCalculate month-over-month sales growth for each product category using JOINs and window functions.
Wayfair
REVOLVE
FanaticsUse joins, a CTE, and aggregation to rank the top 5 products by non-returned revenue in the last 30 days.
Blue Nile
O'Reilly Auto Parts
CengageCompute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.
Gain Digital
TCS
Zest AI