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Software Engineering Fundamentals 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 181–210 of 1208 results
- AristaEasySoftware EngineerExplain C printf pointers and memory layout
This question evaluates understanding of C pointer semantics, printf format-specifier behavior, memory layout and allocation differences, and practical debugger usage for inspecting addresses and bytes, within the Software Engineering Fundamentals domain.
Software Engineering FundamentalsTechnical Screen - AristaHardSoftware EngineerImplement and Defend a Generic C++ Stack
Implement a dynamically growing generic C++ stack with raw storage and correct object lifetime management. The deep-dive covers self-referential insertion, exception safety, move ownership, allocation mechanisms, reference validity, capacity overflow, and the distinction between language guarantees and ABI behavior.
Software Engineering FundamentalsTechnical Screen - ArizeMediumSoftware EngineerCoordinate Three Threads to Print an Ordered Sequence
This problem tests knowledge of multi-threaded synchronization, specifically the use of condition variables and mutexes to enforce strict ordering among three distinct threads.
Software Engineering FundamentalsTechnical ScreenConcurrencyMultithreadingSynchronization - ArmEasySoftware EngineerExplain GPU pipeline and execution hazards
This question evaluates understanding of GPU architecture concepts including the graphics pipeline from vertices to pixels, register read-after-write hazards in pipelined execution, memory behavior, throughput considerations, and execution scheduling, reflecting competency in computer graphics and parallel processor design.
Software Engineering FundamentalsHR Screen - ArmMediumBackend EngineerExplain timing and testability concepts
This question evaluates a candidate's understanding of digital timing and testability concepts—specifically setup and hold timing, clock skew impacts, mitigation of setup/hold violations, and test methodologies such as scan, DFT and MBIST—within backend digital implementation contexts.
Software Engineering FundamentalsOnsite - AsanaMediumSoftware EngineerDesign a 2048 Game
This question evaluates object-oriented design, state management, deterministic randomness handling, and algorithmic reasoning for implementing game rules on a configurable N x N grid.
Software Engineering FundamentalsOnsite - AsanaMediumSoftware EngineerDesign a Layered ASCII Canvas Command Processor
Design a clean, object-oriented command processor for a fixed 10x6 ASCII canvas that supports drawing, layering, and rendering overlapping filled rectangles.
Software Engineering FundamentalsOnsiteObject-Oriented DesignData StructuresSoftware Architecture - AsanaMediumSoftware EngineerDesign a Testable 2048 Game Engine
This problem tests object-oriented design principles, state management, and the ability to decouple business logic from external dependencies like random number generation to ensure testability.
Software Engineering FundamentalsTechnical ScreenOOPDesign PatternsTestability - AsanaMediumSoftware EngineerDesign an Extensible Animal-Chess Game Engine
This question tests your ability to design a decoupled, extensible object-oriented system that separates game state, rule validation, and game flow logic.
Software Engineering FundamentalsTechnical ScreenObject-Oriented DesignDesign PatternsSoftware Architecture - AsanaMediumSoftware EngineerExplain code complexity and design two games
This multi-part question evaluates code comprehension and algorithmic complexity analysis alongside object-oriented design competencies for interactive applications, covering skills in analyzing time and space complexity, class modeling, API design, and state management.
Software Engineering FundamentalsTechnical Screen - AsanaMediumSoftware EngineerFind frequent IPs from a huge file
This question evaluates a candidate's competency in large-scale data processing and algorithm design, focusing on memory- and disk-constrained frequency estimation, streaming and approximation concepts.
Software Engineering FundamentalsOnsite - AsanaMediumSoftware EngineerModel a Turn-Based Cats and Rabbits Board Game
Design the object model, game state invariants, and move-validation engine for an asymmetric turn-based grid game played on a 7x7 board.
Software Engineering FundamentalsOnsiteobject-oriented-designgame-designstate-machine - AsanaMediumSoftware EngineerModel and Solve a Rectangular Jigsaw Puzzle
This problem tests object-oriented modeling skills and the ability to implement a backtracking algorithm with state pruning for a combinatorial search task.
Software Engineering FundamentalsTechnical ScreenBacktrackingOOPRecursion - AsanaMediumSoftware EngineerObject-Oriented Design of a Two-Player Chess Game and Its Move Rules
A low-level design exercise asking for the classes, responsibilities and core code of a two-player chess program. It tests object modeling of pieces, board and game state, move validation including check and special moves, checkmate and stalemate detection, and keeping the design open to undo, network play or a computer opponent.
Software Engineering FundamentalsOther - AtlassianHardFrontend EngineerBuild a 2x3 React Feed Grid from Static Data, Then from an API, and Explain Your Hooks
A front-end coding exercise: show feed items with an id, text and creation time in a two-row, three-column React grid, first from static data and then from a provided API. It tests CSS grid layout, data fetching with loading and error states, effect cleanup, and how clearly the candidate explains the React hooks they use.
Software Engineering FundamentalsTechnical Screen - AtlassianMediumFrontend EngineerBuild a Social Feed List in HTML/CSS, Then Render It from a Mock API
A two-stage front-end coding exercise: build a Twitter-style social feed list with HTML and CSS, then render it from a mock API. It tests semantic markup, a resilient card layout, asynchronous loading with loading and error states, and safe rendering of user-generated text.
Software Engineering FundamentalsTechnical Screen - AtlassianMediumSoftware EngineerDesign a CI/CD release notification service
This problem evaluates your ability to design a flexible, object-oriented notification service that handles varying event triggers and subscriber preferences in a release pipeline.
Software Engineering FundamentalsOnsiteSystem DesignDesign PatternsCI/CD - AtlassianMediumSoftware EngineerDesign a Music Player with Queue, Loop, and Shuffle
Design music-player objects and state transitions for play, pause, queue, looping, and shuffle, with stubbed audio and deterministic tests.
Software Engineering FundamentalsTechnical Screen - AtlassianMediumSoftware EngineerEvaluate Architecture and Capacity Trade-offs
This problem tests your ability to design a document storage and processing system, specifically focusing on capacity estimation, deduplication strategies, and security considerations.
Software Engineering FundamentalsOnsiteSystem DesignCapacity PlanningSecurity - AtlysMediumSoftware EngineerDesign a Splitwise-Style Expense Splitter with Minimum-Transaction Debt Settlement
Design a Splitwise-style shared-expense app, covering functional and non-functional requirements, API design and core entities, then implement settle() to produce payments that clear every balance and settle_optimally() to use the fewest transactions. Tests object-oriented design, exact money handling, and reasoning about optimality and complexity.
Software Engineering FundamentalsTechnical Screen - AtlysMediumSoftware EngineerDesign a Tour-Expense Splitter That Minimizes Payments
Design a shared-expense tracker for a touring band: members log who paid for what and how it was split, the app maintains running balances, and two settlement modes produce the payments needed to zero every balance -- a simple pairwise payoff and an optimal one using the fewest transactions. Tests API/entity design plus a min-cash-flow-style algorithm.
Software Engineering FundamentalsTechnical Screensystem-designgraphsgreedy - AttentiveMediumSoftware EngineerEvaluate a Lisp-Style Prefix Expression Language With ADD, MULT and LET Variables
Implement an evaluator for a small Lisp-style prefix language with ADD and MULT, then extend it with LET variable bindings. It tests recursive parsing of nested expressions, settling ambiguous language rules before coding, and choosing a data structure for nested variable scopes.
Software Engineering FundamentalsOnsite - Axq CapitalMediumSoftware EngineerRow-Wise vs Column-Wise Array Reads, L1/L2 Caches, and the TLB
Compare horizontal and vertical reads of a large two-dimensional array, explain how L1 and L2 caches differ from main memory, and describe what the TLB does and what a TLB miss costs. It tests understanding of cache lines, locality, prefetching, address translation, and practical fixes for memory-bound code.
Software Engineering FundamentalsHR Screen - BalyasnyHardSoftware EngineerDesign a C++ Variant with Safe Object Lifetimes
This problem tests your understanding of manual memory management, template metaprogramming, and the type safety requirements necessary to implement a discriminated union (variant) in C++.
Software Engineering FundamentalsOnsiteC++TemplatesMemory Management - BasetenHardSoftware EngineerBuild a Crash-Consistent Single-Server Key-Value Store
Design and implement a thread-safe, crash-consistent key-value storage engine that persists byte-string records to an append-only log on disk, recovers from partial writes, and supports tombstones.
Software Engineering FundamentalsTechnical Screensystems-programmingstorage-enginecrash-consistency - BasetenMediumSoftware EngineerOne-pass S-expression parser with nested lists and precise error handling
Implement a single-pass parser for simplified S-expressions in three stages: atoms, a parenthesized list, and arbitrarily nested lists, without splitting the input. The exercise centers on error handling: detecting invalid characters, malformed numbers, unclosed or unexpected parentheses and trailing input, and stopping with a precise error position.
Software Engineering FundamentalsOnsite - BasetenHardSoftware EngineerParallelize Blocking API Calls with a Thread Pool
Implement a robust, bounded concurrent batch runner that parallelizes blocking calls while preserving input order, handling errors, and enforcing timeouts.
Software Engineering FundamentalsTechnical ScreenConcurrencyPythonMultithreading - BasetenMediumSoftware EngineerXOR-based random number generator used to encrypt and decrypt a tree document
A two-part coding exercise: implement a pseudo-random number generator built from bit shifts and XOR, then use it as a keystream to encrypt and decrypt a tree-structured document so the original tree is restored exactly. It tests fixed-width bit manipulation, seeding, unambiguous serialization, and awareness of the security limits of hand-made ciphers.
Software Engineering FundamentalsOnsite - Bilt RewardsMediumSoftware EngineerRepair and Extend a Transaction Reward Processor
Implement and debug a layered transaction reward processing engine that calculates category-based points, applies promotional multipliers, enforces monthly qualification thresholds, and maintains strict idempotency.
Software Engineering FundamentalsTechnical ScreenSoftware EngineeringData StructuresSystem Design - BitkernelMediumSoftware EngineerAnalyze TCP three-way handshake states
This question evaluates understanding of TCP connection establishment and the TCP state machine, testing recognition of correct state transitions during the three-way handshake and related transport-layer behavior.
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