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Interview Questions
Practice 9403 coding, system design and machine learning questions from 546 companies, sorted by role, topic and interview round. Every question has step-by-step hints, a code runner that supports 8 languages and an AI mentor; members also get the full solution walkthrough.
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Showing 3421–3450 of 9403 results
- GongMediumSoftware EngineerDelivering Bad News to a Team or Stakeholders Without Losing Trust
A behavioral interview question about a time you had to deliver bad news such as a missed deadline, a serious defect or an unpopular decision. It tests timing, choosing the right audience, delivering facts with options and a recommendation, owning the problem without blame, and following through afterward.
Behavioral & LeadershipOther - GongMediumSoftware EngineerDesign a Service That Captures Zoom Meeting Recordings and Processes Them at Scale
A system design exercise for ingesting recorded Zoom meetings into a business product and processing them into transcripts and conversation analysis. It tests reliable ingestion despite missed notifications, rate-limited fetching, staged idempotent processing on costly compute, fairness between customers, reprocessing, and data deletion.
System DesignOther - GongMediumSoftware EngineerDesign a Service That Finds Common Free Time Across Connected Calendars
A system design exercise for a service that finds times when a group of people is free, using calendars synced from external providers. It tests computing common free time correctly across time zones, keeping availability fresh within rate limits, preventing double bookings, and scaling queries and public booking pages.
System DesignOther - GongMediumSoftware EngineerDriving a Project Forward When Goals and Requirements Are Ambiguous
A behavioral interview question about making progress on a project or role whose goals, requirements or ownership were unclear. It tests how a senior engineer identifies unknowns, reduces uncertainty with cheap investigations and decisions, paces reversible versus hard-to-undo choices, and keeps stakeholders aligned.
Behavioral & LeadershipOther - GongMediumSoftware EngineerResolving a Conflict With a Coworker: A Senior Behavioral Walkthrough
A behavioral interview question asking for a real conflict with a coworker and how it was resolved. It tests whether a senior engineer addresses disagreements directly, understands the other side, moves the debate onto shared criteria or evidence, preserves the working relationship, and reflects honestly on their own part.
Behavioral & LeadershipOther - GoogleMediumSoftware EngineerA Leader or Manager Who Shaped You and How You Applied the Lesson Later
A behavioral interview question asking you to describe a past leader or manager who had a strong positive influence on you and how you later applied what you learned. It tests reflection, the ability to turn an observed behavior into a reusable lesson, and evidence that the lesson changed your own work.
Behavioral & LeadershipOnsite - GoogleMediumSoftware EngineerAdd two big integers from digit lists
This question evaluates algorithmic skills in manipulating linked lists or arrays to perform addition of large integers, focusing on carry propagation, handling differing lengths, and analysis of time and space complexity.
Coding & AlgorithmsTechnical Screen - GoogleMediumData ScientistAddress Overfitting in Supervised Learning Models
Evaluates supervised learning judgment around bias, variance, overfitting, and train-test performance gaps. Strong answers diagnose leakage, split errors, distribution shift, and high variance, then propose regularization, simpler models, validation, more data, and monitoring.
Machine LearningOnsite - GoogleMediumData ScientistAnalyze Linear Regression Changes with Duplicated Observations
Evaluates regression and hypothesis-testing interpretation under duplicated observations and large samples. Strong answers show unchanged OLS coefficients, standard-error effects, p-value meaning, and practical chi-square adjustments.
Statistics & MathTechnical Screen - GoogleMediumData ScientistAnalyze User Flags and Review Outcomes for Moderation Prioritization
This question evaluates a data scientist's proficiency in SQL-based data manipulation, including joins, distinct counting and grouping, aggregations, string concatenation for user identity, and NULL handling across event and review tables.
Data Manipulation (SQL/Python)Technical Screen - GoogleMediumData ScientistAnalyze data duplication effects in linear regression
This question evaluates understanding of OLS estimation, the effects of duplicated observations on estimator variance and inference, and the interplay between sample size, p-values, and effect-size measures within the Statistics & Math domain for a Data Scientist role.
Statistics & MathTechnical Screen - GoogleHardData ScientistAnalyze time series and design validation experiment
This problem tests the ability to detect structural changes in time-series data and design a rigorous A/B testing strategy to measure the impact of an intervention on count-based metrics.
Analytics & ExperimentationOnsiteTime SeriesCausal InferenceA/B Testing - GoogleEasyData ScientistAnswer Google Behavioral Questions
A set of four common Google Data Scientist behavioral interview questions covering self-introduction and fit, diagnosing and solving a team problem, communicating a missed deadline to stakeholders, and handling a team event with reluctant participants. The solution uses a STAR/STAR-L framework and explains the competencies Google scores for: collaboration, ownership, communication, judgment, and inclusion.
Behavioral & LeadershipOnline Assessment - GoogleMediumSoftware EngineerAnswer Staff-level leadership scenarios using STAR
This question evaluates staff-level leadership competencies including technical decision-making, stakeholder alignment, conflict resolution, incident management, ownership, risk mitigation, and cross-team influence within the behavioral and leadership domain.
Behavioral & LeadershipOnsite - GoogleHardSoftware EngineerAnswer collaboration, ambiguity, growth, and failure questions
This question evaluates behavioral and leadership competencies such as collaboration, conflict resolution, adaptability to ambiguity, learning agility, accountability for failures, and the ability to quantify impact within a software engineering context.
Behavioral & LeadershipTechnical Screen - GoogleHardSoftware EngineerAnswer common behavioral questions for new grad
This set of prompts evaluates communication, behavioral leadership, product thinking, prioritization, goal-setting, time-management, and self-awareness through common interview topics such as self-introduction, company/team fit, product strategy, short- and long-term goals, workload handling, and personal weaknesses.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerAnswer common behavioral questions with follow-ups
This question evaluates behavioral and leadership competencies—ownership, communication, conflict resolution, root-cause analysis, and evidence-based impact measurement—within a software engineering context and is categorized under Behavioral & Leadership interviews.
Behavioral & LeadershipTechnical Screen - GoogleMediumMachine Learning EngineerAnswer conflict, failure, and proud project questions
This question evaluates a Machine Learning Engineer's behavioral competencies such as conflict resolution, accountability, communication, leadership, and the ability to quantify impact by eliciting real examples of conflict, failure, and a proud project.
Behavioral & LeadershipTechnical Screen - GoogleHardSoftware EngineerAnswer core teamwork and conflict stories
This question evaluates interpersonal competencies such as teamwork, conflict resolution, advocacy, active listening, and the ability to learn from peers and apply that learning in a professional setting.
Behavioral & LeadershipOnsite - GoogleMediumSoftware EngineerAnswer leadership and ambiguity scenarios
A Google software-engineer technical-screen behavioral & leadership question set covering leadership without authority, stepping up under pressure, working under ambiguity, feedback about a manager, disagreeing with a peer leader, handling a poor-fit or chronically-late teammate, prioritization under pushback, and a decision you'd redo. Includes STAR-structured answer templates and the rubric interviewers score against.
Behavioral & LeadershipTechnical Screen - GoogleEasySoftware EngineerAnswer leadership and quality tradeoff questions
This question evaluates leadership, decision-making, prioritization, communication, mentorship, and adaptability by probing project ownership, team integration, personal change, and tradeoffs between release deadlines and software quality.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerAnswer parity-alternation range queries
This problem tests your ability to use prefix sums or dynamic tracking to determine if a range [L, R] consists of elements that alternate between odd and even parity in O(1) time after O(N) preprocessing.
Coding & AlgorithmsTechnical ScreenArraysPrefix SumAlgorithms - GoogleMediumSoftware EngineerAnswer product, collaboration, and prioritization scenarios
This question evaluates product sense, stakeholder management, prioritization, collaboration, leadership, continuous improvement and decision-making by prompting behavior-based examples across product trade-offs, team dynamics, and competing priorities.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerAnswer project deep-dive and Why Google questions
This question evaluates a candidate's ability to communicate project ownership, technical depth, measurable impact from internships and personal projects, and long-term career motivation.
Behavioral & LeadershipTechnical Screen - GoogleMediumSoftware EngineerApproach a Forced-Choice Work-Style Assessment Consistently
Tests a candidate's self-awareness, decision-making framework, and ability to navigate competing positive work values consistently rather than attempting to project an idealized persona.
Behavioral & LeadershipHR ScreenBehavioralSelf-AwarenessDecision Making - GoogleMediumData ScientistApproximate a percentile from buckets
This question tests the ability to interpolate values within histogram buckets to estimate a specific percentile, requiring an understanding of linear versus log-space assumptions.
Statistics & MathTechnical ScreenStatisticsEstimationAlgorithms - GoogleMediumSoftware EngineerArrange Crops into Connected Regions in Rectangular and Two-Square Gardens
Arrange exact crop counts into connected grid regions, prove a rectangular construction, and analyze the geometry needed for a two-square garden follow-up.
Coding & AlgorithmsOnsite - GoogleMediumData ScientistAssess Fundamental Statistics Knowledge in Data-Science Interviews
Google data scientist statistics prompt covering MLEs for normal mean and variance, conditional density from a joint pdf, standard normal pdf and cdf, and assumptions for unbiased estimators.
Statistics & MathTechnical Screen - GoogleEasySoftware EngineerAssign the Minimum Fleet to Rental Reservations
Determine the minimum fleet size and a deterministic vehicle assignment for a list of rental reservations using interval scheduling and priority queues.
Coding & AlgorithmsOnsiteGreedyHeapIntervals - GoogleHardData AnalystBalance Fraud Control with User Experience
Practice designing fraud controls that balance expected harm, risk-based verification, legitimate-user friction, and reliable policy evaluation.
Product / Decision MakingOnsite
Gong
Google